/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 04:07:03,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 04:07:03,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 04:07:03,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 04:07:03,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 04:07:03,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 04:07:03,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 04:07:03,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 04:07:03,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 04:07:03,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 04:07:03,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 04:07:03,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 04:07:03,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 04:07:03,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 04:07:03,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 04:07:03,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 04:07:03,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 04:07:03,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 04:07:03,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 04:07:03,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 04:07:03,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 04:07:03,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 04:07:03,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 04:07:03,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 04:07:03,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 04:07:03,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 04:07:03,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 04:07:03,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 04:07:03,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 04:07:04,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 04:07:04,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 04:07:04,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 04:07:04,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 04:07:04,039 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 04:07:04,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 04:07:04,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 04:07:04,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 04:07:04,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 04:07:04,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 04:07:04,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 04:07:04,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 04:07:04,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 04:07:04,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 04:07:04,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 04:07:04,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 04:07:04,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 04:07:04,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 04:07:04,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 04:07:04,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 04:07:04,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 04:07:04,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:07:04,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 04:07:04,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 04:07:04,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 04:07:04,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 04:07:04,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 04:07:04,046 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 04:07:04,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 04:07:04,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 04:07:04,047 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 04:07:04,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 04:07:04,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 04:07:04,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 04:07:04,474 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 04:07:04,475 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 04:07:04,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl [2021-04-29 04:07:04,477 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl' [2021-04-29 04:07:04,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 04:07:04,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 04:07:04,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 04:07:04,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 04:07:04,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 04:07:04,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 04:07:04,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 04:07:04,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 04:07:04,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 04:07:04,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... [2021-04-29 04:07:04,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 04:07:04,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 04:07:04,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 04:07:04,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 04:07:04,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:07:04,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-04-29 04:07:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-04-29 04:07:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-04-29 04:07:04,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-04-29 04:07:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-04-29 04:07:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-04-29 04:07:04,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-04-29 04:07:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-04-29 04:07:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-04-29 04:07:04,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-04-29 04:07:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-04-29 04:07:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-04-29 04:07:04,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-04-29 04:07:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-04-29 04:07:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-04-29 04:07:04,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 04:07:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 04:07:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 04:07:04,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-04-29 04:07:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-04-29 04:07:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-04-29 04:07:04,761 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 04:07:04,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 04:07:04,910 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 04:07:04,912 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:07:04 BoogieIcfgContainer [2021-04-29 04:07:04,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 04:07:04,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 04:07:04,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 04:07:04,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 04:07:04,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:04" (1/2) ... [2021-04-29 04:07:04,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29873660 and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 04:07:04, skipping insertion in model container [2021-04-29 04:07:04,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:07:04" (2/2) ... [2021-04-29 04:07:04,921 INFO L111 eAbstractionObserver]: Analyzing ICFG example_6.bpl [2021-04-29 04:07:04,928 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 04:07:04,933 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 04:07:04,935 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 04:07:05,101 INFO L149 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2021-04-29 04:07:05,127 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-29 04:07:05,159 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 04:07:05,159 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 04:07:05,159 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 04:07:05,159 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 04:07:05,159 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 04:07:05,160 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 04:07:05,160 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 04:07:05,160 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 04:07:05,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 264 flow [2021-04-29 04:07:05,280 INFO L129 PetriNetUnfolder]: 129/213 cut-off events. [2021-04-29 04:07:05,280 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-04-29 04:07:05,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 213 events. 129/213 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 763 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-04-29 04:07:05,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 63 transitions, 264 flow [2021-04-29 04:07:05,299 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 55 transitions, 236 flow [2021-04-29 04:07:05,301 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:05,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 55 transitions, 236 flow [2021-04-29 04:07:05,326 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 55 transitions, 236 flow [2021-04-29 04:07:05,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 55 transitions, 236 flow [2021-04-29 04:07:05,389 INFO L129 PetriNetUnfolder]: 129/211 cut-off events. [2021-04-29 04:07:05,390 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-04-29 04:07:05,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 211 events. 129/211 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 621 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-04-29 04:07:05,400 INFO L146 LiptonReduction]: Number of co-enabled transitions 780 [2021-04-29 04:07:05,538 INFO L158 LiptonReduction]: Checked pairs total: 225 [2021-04-29 04:07:05,538 INFO L160 LiptonReduction]: Total number of compositions: 6 [2021-04-29 04:07:05,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-04-29 04:07:05,601 INFO L129 PetriNetUnfolder]: 129/210 cut-off events. [2021-04-29 04:07:05,602 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-04-29 04:07:05,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:05,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:05,603 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:05,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:05,614 INFO L82 PathProgramCache]: Analyzing trace with hash -593090474, now seen corresponding path program 1 times [2021-04-29 04:07:05,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:05,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008361632] [2021-04-29 04:07:05,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:05,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:05,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:05,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:05,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:05,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:05,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:05,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008361632] [2021-04-29 04:07:05,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:05,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:05,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565533644] [2021-04-29 04:07:05,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:05,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:05,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:05,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:05,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-04-29 04:07:05,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 55 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:05,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:05,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-04-29 04:07:05,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:05,905 INFO L129 PetriNetUnfolder]: 49/100 cut-off events. [2021-04-29 04:07:05,905 INFO L130 PetriNetUnfolder]: For 177/177 co-relation queries the response was YES. [2021-04-29 04:07:05,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 100 events. 49/100 cut-off events. For 177/177 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 300 event pairs, 0 based on Foata normal form. 31/125 useless extension candidates. Maximal degree in co-relation 172. Up to 30 conditions per place. [2021-04-29 04:07:05,909 INFO L132 encePairwiseOnDemand]: 63/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/45 dead transitions. [2021-04-29 04:07:05,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 45 transitions, 190 flow [2021-04-29 04:07:05,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2021-04-29 04:07:05,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2021-04-29 04:07:05,926 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 193 transitions. [2021-04-29 04:07:05,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 193 transitions. [2021-04-29 04:07:05,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:05,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 193 transitions. [2021-04-29 04:07:05,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:05,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:05,942 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:05,944 INFO L185 Difference]: Start difference. First operand has 44 places, 55 transitions, 236 flow. Second operand 3 states and 193 transitions. [2021-04-29 04:07:05,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 45 transitions, 190 flow [2021-04-29 04:07:05,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 126 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-04-29 04:07:05,953 INFO L241 Difference]: Finished difference. Result has 34 places, 45 transitions, 124 flow [2021-04-29 04:07:05,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=34, PETRI_TRANSITIONS=45} [2021-04-29 04:07:05,958 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -10 predicate places. [2021-04-29 04:07:05,958 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:05,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 45 transitions, 124 flow [2021-04-29 04:07:05,959 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 45 transitions, 124 flow [2021-04-29 04:07:05,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 45 transitions, 124 flow [2021-04-29 04:07:05,971 INFO L129 PetriNetUnfolder]: 49/100 cut-off events. [2021-04-29 04:07:05,972 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:05,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 100 events. 49/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 253 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 94. Up to 30 conditions per place. [2021-04-29 04:07:05,975 INFO L146 LiptonReduction]: Number of co-enabled transitions 600 [2021-04-29 04:07:05,982 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:05,982 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:05,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-04-29 04:07:05,985 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 45 transitions, 124 flow [2021-04-29 04:07:05,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:05,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:05,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:05,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 04:07:05,986 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:05,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:05,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1151502172, now seen corresponding path program 1 times [2021-04-29 04:07:05,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:05,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158356455] [2021-04-29 04:07:05,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:06,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:06,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:06,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158356455] [2021-04-29 04:07:06,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:06,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:06,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757567043] [2021-04-29 04:07:06,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:06,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:06,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:06,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:06,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-04-29 04:07:06,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 45 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:06,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-04-29 04:07:06,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:06,075 INFO L129 PetriNetUnfolder]: 33/79 cut-off events. [2021-04-29 04:07:06,076 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-29 04:07:06,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 79 events. 33/79 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 204 event pairs, 0 based on Foata normal form. 5/78 useless extension candidates. Maximal degree in co-relation 84. Up to 20 conditions per place. [2021-04-29 04:07:06,081 INFO L132 encePairwiseOnDemand]: 66/69 looper letters, 3 selfloop transitions, 1 changer transitions 0/43 dead transitions. [2021-04-29 04:07:06,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 126 flow [2021-04-29 04:07:06,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-04-29 04:07:06,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-04-29 04:07:06,092 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:06,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,100 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,100 INFO L185 Difference]: Start difference. First operand has 34 places, 45 transitions, 124 flow. Second operand 3 states and 192 transitions. [2021-04-29 04:07:06,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 126 flow [2021-04-29 04:07:06,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 125 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:06,105 INFO L241 Difference]: Finished difference. Result has 35 places, 43 transitions, 119 flow [2021-04-29 04:07:06,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=35, PETRI_TRANSITIONS=43} [2021-04-29 04:07:06,106 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -9 predicate places. [2021-04-29 04:07:06,106 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:06,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 43 transitions, 119 flow [2021-04-29 04:07:06,108 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 43 transitions, 119 flow [2021-04-29 04:07:06,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 43 transitions, 119 flow [2021-04-29 04:07:06,121 INFO L129 PetriNetUnfolder]: 33/79 cut-off events. [2021-04-29 04:07:06,121 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:06,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 79 events. 33/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 197 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 80. Up to 20 conditions per place. [2021-04-29 04:07:06,123 INFO L146 LiptonReduction]: Number of co-enabled transitions 560 [2021-04-29 04:07:06,133 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:06,134 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:06,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-04-29 04:07:06,137 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 43 transitions, 119 flow [2021-04-29 04:07:06,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:06,138 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:06,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 04:07:06,139 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:06,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:06,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1840407420, now seen corresponding path program 1 times [2021-04-29 04:07:06,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:06,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320680641] [2021-04-29 04:07:06,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:06,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:06,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:06,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320680641] [2021-04-29 04:07:06,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:06,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:06,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949567991] [2021-04-29 04:07:06,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:06,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:06,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:06,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:06,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-04-29 04:07:06,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 43 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:06,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-04-29 04:07:06,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:06,248 INFO L129 PetriNetUnfolder]: 12/48 cut-off events. [2021-04-29 04:07:06,248 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-04-29 04:07:06,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 48 events. 12/48 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 7/49 useless extension candidates. Maximal degree in co-relation 55. Up to 8 conditions per place. [2021-04-29 04:07:06,250 INFO L132 encePairwiseOnDemand]: 65/69 looper letters, 2 selfloop transitions, 1 changer transitions 0/40 dead transitions. [2021-04-29 04:07:06,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 40 transitions, 116 flow [2021-04-29 04:07:06,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-04-29 04:07:06,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-04-29 04:07:06,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:06,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,258 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,258 INFO L185 Difference]: Start difference. First operand has 35 places, 43 transitions, 119 flow. Second operand 3 states and 192 transitions. [2021-04-29 04:07:06,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 40 transitions, 116 flow [2021-04-29 04:07:06,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 115 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:06,261 INFO L241 Difference]: Finished difference. Result has 36 places, 40 transitions, 111 flow [2021-04-29 04:07:06,261 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=36, PETRI_TRANSITIONS=40} [2021-04-29 04:07:06,262 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -8 predicate places. [2021-04-29 04:07:06,262 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:06,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 40 transitions, 111 flow [2021-04-29 04:07:06,265 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 40 transitions, 111 flow [2021-04-29 04:07:06,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 40 transitions, 111 flow [2021-04-29 04:07:06,273 INFO L129 PetriNetUnfolder]: 12/48 cut-off events. [2021-04-29 04:07:06,273 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:06,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 48 events. 12/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 83 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 50. Up to 8 conditions per place. [2021-04-29 04:07:06,275 INFO L146 LiptonReduction]: Number of co-enabled transitions 428 [2021-04-29 04:07:06,280 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:06,281 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:06,281 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-04-29 04:07:06,288 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 40 transitions, 111 flow [2021-04-29 04:07:06,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:06,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:06,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 04:07:06,290 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:06,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:06,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1546166396, now seen corresponding path program 1 times [2021-04-29 04:07:06,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:06,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039519300] [2021-04-29 04:07:06,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:06,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:06,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039519300] [2021-04-29 04:07:06,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:06,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:06,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877767057] [2021-04-29 04:07:06,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:06,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:06,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:06,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:06,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-04-29 04:07:06,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 40 transitions, 111 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:06,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-04-29 04:07:06,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:06,380 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2021-04-29 04:07:06,380 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 04:07:06,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 27 events. 1/27 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 5/26 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place. [2021-04-29 04:07:06,381 INFO L132 encePairwiseOnDemand]: 64/69 looper letters, 1 selfloop transitions, 1 changer transitions 2/27 dead transitions. [2021-04-29 04:07:06,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 27 transitions, 76 flow [2021-04-29 04:07:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-04-29 04:07:06,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-04-29 04:07:06,382 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:06,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-04-29 04:07:06,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,387 INFO L185 Difference]: Start difference. First operand has 36 places, 40 transitions, 111 flow. Second operand 3 states and 192 transitions. [2021-04-29 04:07:06,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 27 transitions, 76 flow [2021-04-29 04:07:06,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 27 transitions, 75 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:06,390 INFO L241 Difference]: Finished difference. Result has 37 places, 25 transitions, 69 flow [2021-04-29 04:07:06,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=37, PETRI_TRANSITIONS=25} [2021-04-29 04:07:06,390 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -7 predicate places. [2021-04-29 04:07:06,390 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:06,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 25 transitions, 69 flow [2021-04-29 04:07:06,391 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 25 transitions, 69 flow [2021-04-29 04:07:06,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 25 transitions, 69 flow [2021-04-29 04:07:06,395 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2021-04-29 04:07:06,396 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:06,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 25 events. 1/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 21 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-04-29 04:07:06,397 INFO L146 LiptonReduction]: Number of co-enabled transitions 216 [2021-04-29 04:07:06,400 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:06,400 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:06,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-04-29 04:07:06,404 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 69 flow [2021-04-29 04:07:06,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:06,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:06,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 04:07:06,405 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:06,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:06,406 INFO L82 PathProgramCache]: Analyzing trace with hash -534480638, now seen corresponding path program 1 times [2021-04-29 04:07:06,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:06,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541969758] [2021-04-29 04:07:06,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:06,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:06,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:06,551 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:06,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:06,578 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:06,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:06,615 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:06,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:06,669 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:06,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:06,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541969758] [2021-04-29 04:07:06,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:06,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:06,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596568659] [2021-04-29 04:07:06,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:06,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:06,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:06,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:06,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:06,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 69 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:06,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:06,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:06,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:07,056 INFO L129 PetriNetUnfolder]: 1124/1957 cut-off events. [2021-04-29 04:07:07,056 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:07,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3551 conditions, 1957 events. 1124/1957 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 14053 event pairs, 624 based on Foata normal form. 1/1270 useless extension candidates. Maximal degree in co-relation 3541. Up to 595 conditions per place. [2021-04-29 04:07:07,078 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 34 selfloop transitions, 10 changer transitions 0/58 dead transitions. [2021-04-29 04:07:07,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 58 transitions, 223 flow [2021-04-29 04:07:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 485 transitions. [2021-04-29 04:07:07,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8786231884057971 [2021-04-29 04:07:07,081 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 485 transitions. [2021-04-29 04:07:07,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 485 transitions. [2021-04-29 04:07:07,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:07,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 485 transitions. [2021-04-29 04:07:07,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.625) internal successors, (485), 8 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) [2021-04-29 04:07:07,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:07,087 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:07,087 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 69 flow. Second operand 8 states and 485 transitions. [2021-04-29 04:07:07,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 58 transitions, 223 flow [2021-04-29 04:07:07,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 58 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:07,092 INFO L241 Difference]: Finished difference. Result has 47 places, 34 transitions, 145 flow [2021-04-29 04:07:07,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=145, PETRI_PLACES=47, PETRI_TRANSITIONS=34} [2021-04-29 04:07:07,092 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 3 predicate places. [2021-04-29 04:07:07,092 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:07,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 34 transitions, 145 flow [2021-04-29 04:07:07,093 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 34 transitions, 145 flow [2021-04-29 04:07:07,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 34 transitions, 145 flow [2021-04-29 04:07:07,108 INFO L129 PetriNetUnfolder]: 4/121 cut-off events. [2021-04-29 04:07:07,108 INFO L130 PetriNetUnfolder]: For 34/35 co-relation queries the response was YES. [2021-04-29 04:07:07,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 121 events. 4/121 cut-off events. For 34/35 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 830 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 262. Up to 27 conditions per place. [2021-04-29 04:07:07,111 INFO L146 LiptonReduction]: Number of co-enabled transitions 370 [2021-04-29 04:07:07,115 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:07,115 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:07,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-04-29 04:07:07,117 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 34 transitions, 145 flow [2021-04-29 04:07:07,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:07,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:07,118 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:07,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 04:07:07,118 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:07,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:07,119 INFO L82 PathProgramCache]: Analyzing trace with hash 307482656, now seen corresponding path program 2 times [2021-04-29 04:07:07,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:07,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696605592] [2021-04-29 04:07:07,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:07,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:07,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:07,225 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:07,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:07,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:07,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:07,269 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:07,297 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:07,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:07,336 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:07,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:07,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696605592] [2021-04-29 04:07:07,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:07,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:07,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847638016] [2021-04-29 04:07:07,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:07,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:07,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:07,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:07,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:07,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 34 transitions, 145 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:07,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:07,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:07,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:07,781 INFO L129 PetriNetUnfolder]: 1168/2150 cut-off events. [2021-04-29 04:07:07,782 INFO L130 PetriNetUnfolder]: For 1521/1523 co-relation queries the response was YES. [2021-04-29 04:07:07,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5892 conditions, 2150 events. 1168/2150 cut-off events. For 1521/1523 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 16315 event pairs, 668 based on Foata normal form. 1/1370 useless extension candidates. Maximal degree in co-relation 5876. Up to 770 conditions per place. [2021-04-29 04:07:07,809 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 40 selfloop transitions, 11 changer transitions 2/67 dead transitions. [2021-04-29 04:07:07,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 67 transitions, 384 flow [2021-04-29 04:07:07,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 485 transitions. [2021-04-29 04:07:07,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8786231884057971 [2021-04-29 04:07:07,812 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 485 transitions. [2021-04-29 04:07:07,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 485 transitions. [2021-04-29 04:07:07,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:07,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 485 transitions. [2021-04-29 04:07:07,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.625) internal successors, (485), 8 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) [2021-04-29 04:07:07,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:07,817 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:07,817 INFO L185 Difference]: Start difference. First operand has 47 places, 34 transitions, 145 flow. Second operand 8 states and 485 transitions. [2021-04-29 04:07:07,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 67 transitions, 384 flow [2021-04-29 04:07:07,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 67 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:07,823 INFO L241 Difference]: Finished difference. Result has 59 places, 43 transitions, 242 flow [2021-04-29 04:07:07,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=242, PETRI_PLACES=59, PETRI_TRANSITIONS=43} [2021-04-29 04:07:07,824 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 15 predicate places. [2021-04-29 04:07:07,824 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:07,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 43 transitions, 242 flow [2021-04-29 04:07:07,825 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 43 transitions, 242 flow [2021-04-29 04:07:07,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 43 transitions, 242 flow [2021-04-29 04:07:07,856 INFO L129 PetriNetUnfolder]: 6/220 cut-off events. [2021-04-29 04:07:07,856 INFO L130 PetriNetUnfolder]: For 168/195 co-relation queries the response was YES. [2021-04-29 04:07:07,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 588 conditions, 220 events. 6/220 cut-off events. For 168/195 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 1929 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 567. Up to 43 conditions per place. [2021-04-29 04:07:07,862 INFO L146 LiptonReduction]: Number of co-enabled transitions 502 [2021-04-29 04:07:07,869 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:07,869 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:07,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-04-29 04:07:07,871 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 43 transitions, 242 flow [2021-04-29 04:07:07,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:07,871 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:07,872 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:07,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 04:07:07,872 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:07,873 INFO L82 PathProgramCache]: Analyzing trace with hash 387702944, now seen corresponding path program 3 times [2021-04-29 04:07:07,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:07,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507480607] [2021-04-29 04:07:07,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:07,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:07,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:07,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:07,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:07,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:07:07,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:07,998 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:08,051 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:08,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:08,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507480607] [2021-04-29 04:07:08,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:08,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686872715] [2021-04-29 04:07:08,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:08,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:08,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:08,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:08,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 43 transitions, 242 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:08,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:08,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,699 INFO L129 PetriNetUnfolder]: 1544/3573 cut-off events. [2021-04-29 04:07:08,699 INFO L130 PetriNetUnfolder]: For 5097/5358 co-relation queries the response was YES. [2021-04-29 04:07:08,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11451 conditions, 3573 events. 1544/3573 cut-off events. For 5097/5358 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 35361 event pairs, 352 based on Foata normal form. 2/2486 useless extension candidates. Maximal degree in co-relation 11429. Up to 830 conditions per place. [2021-04-29 04:07:08,754 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 38 selfloop transitions, 26 changer transitions 3/81 dead transitions. [2021-04-29 04:07:08,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 81 transitions, 612 flow [2021-04-29 04:07:08,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 481 transitions. [2021-04-29 04:07:08,758 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8713768115942029 [2021-04-29 04:07:08,759 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 481 transitions. [2021-04-29 04:07:08,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 481 transitions. [2021-04-29 04:07:08,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:08,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 481 transitions. [2021-04-29 04:07:08,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.125) internal successors, (481), 8 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) [2021-04-29 04:07:08,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,766 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,767 INFO L185 Difference]: Start difference. First operand has 59 places, 43 transitions, 242 flow. Second operand 8 states and 481 transitions. [2021-04-29 04:07:08,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 81 transitions, 612 flow [2021-04-29 04:07:08,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 81 transitions, 594 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:08,811 INFO L241 Difference]: Finished difference. Result has 71 places, 56 transitions, 434 flow [2021-04-29 04:07:08,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=434, PETRI_PLACES=71, PETRI_TRANSITIONS=56} [2021-04-29 04:07:08,812 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 27 predicate places. [2021-04-29 04:07:08,812 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:08,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 56 transitions, 434 flow [2021-04-29 04:07:08,813 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 56 transitions, 434 flow [2021-04-29 04:07:08,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 56 transitions, 434 flow [2021-04-29 04:07:08,916 INFO L129 PetriNetUnfolder]: 14/501 cut-off events. [2021-04-29 04:07:08,916 INFO L130 PetriNetUnfolder]: For 834/977 co-relation queries the response was YES. [2021-04-29 04:07:08,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1749 conditions, 501 events. 14/501 cut-off events. For 834/977 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 5599 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 1722. Up to 99 conditions per place. [2021-04-29 04:07:08,941 INFO L146 LiptonReduction]: Number of co-enabled transitions 634 [2021-04-29 04:07:08,954 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:08,954 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:08,954 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-04-29 04:07:08,956 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 56 transitions, 434 flow [2021-04-29 04:07:08,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:08,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:08,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:08,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 04:07:08,957 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:08,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:08,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1667622496, now seen corresponding path program 4 times [2021-04-29 04:07:08,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:08,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692638847] [2021-04-29 04:07:08,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:09,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:09,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:09,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:09,065 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:09,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:09,103 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:09,152 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:09,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:09,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692638847] [2021-04-29 04:07:09,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:09,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:09,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837654106] [2021-04-29 04:07:09,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:09,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:09,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:09,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:09,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:09,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 56 transitions, 434 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:09,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:09,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:09,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:09,901 INFO L129 PetriNetUnfolder]: 1291/3166 cut-off events. [2021-04-29 04:07:09,901 INFO L130 PetriNetUnfolder]: For 9694/10651 co-relation queries the response was YES. [2021-04-29 04:07:09,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13249 conditions, 3166 events. 1291/3166 cut-off events. For 9694/10651 co-relation queries the response was YES. Maximal size of possible extension queue 570. Compared 30662 event pairs, 238 based on Foata normal form. 1/2206 useless extension candidates. Maximal degree in co-relation 13221. Up to 994 conditions per place. [2021-04-29 04:07:09,949 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 45 selfloop transitions, 38 changer transitions 2/99 dead transitions. [2021-04-29 04:07:09,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 99 transitions, 966 flow [2021-04-29 04:07:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 477 transitions. [2021-04-29 04:07:09,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8641304347826086 [2021-04-29 04:07:09,952 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 477 transitions. [2021-04-29 04:07:09,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 477 transitions. [2021-04-29 04:07:09,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:09,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 477 transitions. [2021-04-29 04:07:09,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 59.625) internal successors, (477), 8 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) [2021-04-29 04:07:09,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,956 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,957 INFO L185 Difference]: Start difference. First operand has 70 places, 56 transitions, 434 flow. Second operand 8 states and 477 transitions. [2021-04-29 04:07:09,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 99 transitions, 966 flow [2021-04-29 04:07:10,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 99 transitions, 910 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:10,058 INFO L241 Difference]: Finished difference. Result has 81 places, 69 transitions, 689 flow [2021-04-29 04:07:10,059 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=689, PETRI_PLACES=81, PETRI_TRANSITIONS=69} [2021-04-29 04:07:10,059 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 37 predicate places. [2021-04-29 04:07:10,059 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:10,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 69 transitions, 689 flow [2021-04-29 04:07:10,060 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 69 transitions, 689 flow [2021-04-29 04:07:10,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 69 transitions, 689 flow [2021-04-29 04:07:10,174 INFO L129 PetriNetUnfolder]: 30/654 cut-off events. [2021-04-29 04:07:10,175 INFO L130 PetriNetUnfolder]: For 2024/2374 co-relation queries the response was YES. [2021-04-29 04:07:10,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2701 conditions, 654 events. 30/654 cut-off events. For 2024/2374 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 7684 event pairs, 0 based on Foata normal form. 0/370 useless extension candidates. Maximal degree in co-relation 2669. Up to 123 conditions per place. [2021-04-29 04:07:10,195 INFO L146 LiptonReduction]: Number of co-enabled transitions 804 [2021-04-29 04:07:10,207 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:10,207 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:10,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-04-29 04:07:10,209 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 69 transitions, 689 flow [2021-04-29 04:07:10,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:10,209 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:10,209 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:10,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 04:07:10,210 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:10,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:10,210 INFO L82 PathProgramCache]: Analyzing trace with hash 612097134, now seen corresponding path program 5 times [2021-04-29 04:07:10,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:10,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477805723] [2021-04-29 04:07:10,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:10,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:10,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:10,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:10,262 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:10,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:10,278 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:10,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:10,313 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:10,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:10,346 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:10,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:10,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477805723] [2021-04-29 04:07:10,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:10,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:10,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476454154] [2021-04-29 04:07:10,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:10,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:10,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:10,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:10,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:10,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 69 transitions, 689 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:10,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:10,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:10,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:11,380 INFO L129 PetriNetUnfolder]: 1511/4440 cut-off events. [2021-04-29 04:07:11,381 INFO L130 PetriNetUnfolder]: For 19582/21061 co-relation queries the response was YES. [2021-04-29 04:07:11,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20768 conditions, 4440 events. 1511/4440 cut-off events. For 19582/21061 co-relation queries the response was YES. Maximal size of possible extension queue 961. Compared 51540 event pairs, 211 based on Foata normal form. 3/3099 useless extension candidates. Maximal degree in co-relation 20735. Up to 1661 conditions per place. [2021-04-29 04:07:11,459 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 111 selfloop transitions, 36 changer transitions 4/165 dead transitions. [2021-04-29 04:07:11,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 165 transitions, 2090 flow [2021-04-29 04:07:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 483 transitions. [2021-04-29 04:07:11,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-04-29 04:07:11,463 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 483 transitions. [2021-04-29 04:07:11,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 483 transitions. [2021-04-29 04:07:11,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:11,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 483 transitions. [2021-04-29 04:07:11,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.375) internal successors, (483), 8 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) [2021-04-29 04:07:11,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,471 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,471 INFO L185 Difference]: Start difference. First operand has 80 places, 69 transitions, 689 flow. Second operand 8 states and 483 transitions. [2021-04-29 04:07:11,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 165 transitions, 2090 flow [2021-04-29 04:07:11,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 165 transitions, 1985 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:11,608 INFO L241 Difference]: Finished difference. Result has 90 places, 90 transitions, 1059 flow [2021-04-29 04:07:11,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1059, PETRI_PLACES=90, PETRI_TRANSITIONS=90} [2021-04-29 04:07:11,609 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 46 predicate places. [2021-04-29 04:07:11,609 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:11,610 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 90 transitions, 1059 flow [2021-04-29 04:07:11,610 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 90 transitions, 1059 flow [2021-04-29 04:07:11,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 90 transitions, 1059 flow [2021-04-29 04:07:11,960 INFO L129 PetriNetUnfolder]: 114/1665 cut-off events. [2021-04-29 04:07:11,960 INFO L130 PetriNetUnfolder]: For 6837/7270 co-relation queries the response was YES. [2021-04-29 04:07:11,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6901 conditions, 1665 events. 114/1665 cut-off events. For 6837/7270 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 23290 event pairs, 0 based on Foata normal form. 0/1079 useless extension candidates. Maximal degree in co-relation 6865. Up to 239 conditions per place. [2021-04-29 04:07:12,019 INFO L146 LiptonReduction]: Number of co-enabled transitions 1022 [2021-04-29 04:07:12,039 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:12,039 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:12,040 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 431 [2021-04-29 04:07:12,041 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 90 transitions, 1059 flow [2021-04-29 04:07:12,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:12,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:12,041 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:12,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 04:07:12,042 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:12,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:12,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1989043510, now seen corresponding path program 6 times [2021-04-29 04:07:12,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:12,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772652155] [2021-04-29 04:07:12,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:12,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:12,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:12,079 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:12,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:12,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:12,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:07:12,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:12,168 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:12,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:12,201 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:12,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:12,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772652155] [2021-04-29 04:07:12,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:12,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:12,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31986565] [2021-04-29 04:07:12,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:12,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:12,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:12,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:12,234 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:12,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 90 transitions, 1059 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:12,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:12,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:12,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:13,082 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2021-04-29 04:07:13,495 INFO L129 PetriNetUnfolder]: 1577/4894 cut-off events. [2021-04-29 04:07:13,495 INFO L130 PetriNetUnfolder]: For 27326/27984 co-relation queries the response was YES. [2021-04-29 04:07:13,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24886 conditions, 4894 events. 1577/4894 cut-off events. For 27326/27984 co-relation queries the response was YES. Maximal size of possible extension queue 1075. Compared 59602 event pairs, 207 based on Foata normal form. 2/3378 useless extension candidates. Maximal degree in co-relation 24849. Up to 1886 conditions per place. [2021-04-29 04:07:13,575 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 88 selfloop transitions, 55 changer transitions 2/159 dead transitions. [2021-04-29 04:07:13,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 159 transitions, 2177 flow [2021-04-29 04:07:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 479 transitions. [2021-04-29 04:07:13,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8677536231884058 [2021-04-29 04:07:13,578 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 479 transitions. [2021-04-29 04:07:13,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 479 transitions. [2021-04-29 04:07:13,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:13,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 479 transitions. [2021-04-29 04:07:13,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 59.875) internal successors, (479), 8 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) [2021-04-29 04:07:13,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,582 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,583 INFO L185 Difference]: Start difference. First operand has 90 places, 90 transitions, 1059 flow. Second operand 8 states and 479 transitions. [2021-04-29 04:07:13,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 159 transitions, 2177 flow [2021-04-29 04:07:13,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 159 transitions, 2091 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:13,822 INFO L241 Difference]: Finished difference. Result has 102 places, 123 transitions, 1703 flow [2021-04-29 04:07:13,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1703, PETRI_PLACES=102, PETRI_TRANSITIONS=123} [2021-04-29 04:07:13,822 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 58 predicate places. [2021-04-29 04:07:13,822 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:13,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 123 transitions, 1703 flow [2021-04-29 04:07:13,823 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 123 transitions, 1703 flow [2021-04-29 04:07:13,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 123 transitions, 1703 flow [2021-04-29 04:07:14,291 INFO L129 PetriNetUnfolder]: 190/2193 cut-off events. [2021-04-29 04:07:14,291 INFO L130 PetriNetUnfolder]: For 12117/13070 co-relation queries the response was YES. [2021-04-29 04:07:14,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9525 conditions, 2193 events. 190/2193 cut-off events. For 12117/13070 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 31874 event pairs, 0 based on Foata normal form. 2/1551 useless extension candidates. Maximal degree in co-relation 9483. Up to 380 conditions per place. [2021-04-29 04:07:14,350 INFO L146 LiptonReduction]: Number of co-enabled transitions 1390 [2021-04-29 04:07:14,387 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:14,387 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:14,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 565 [2021-04-29 04:07:14,388 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 123 transitions, 1703 flow [2021-04-29 04:07:14,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:14,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:14,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:14,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 04:07:14,389 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:14,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:14,390 INFO L82 PathProgramCache]: Analyzing trace with hash -155570954, now seen corresponding path program 7 times [2021-04-29 04:07:14,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:14,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040476313] [2021-04-29 04:07:14,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:14,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:14,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:14,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:14,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:14,453 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:14,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:14,478 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:14,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:14,513 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:14,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040476313] [2021-04-29 04:07:14,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:14,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:14,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008593494] [2021-04-29 04:07:14,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:14,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:14,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:14,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:14,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:14,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 123 transitions, 1703 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:14,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:14,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:14,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:16,123 INFO L129 PetriNetUnfolder]: 1707/5347 cut-off events. [2021-04-29 04:07:16,123 INFO L130 PetriNetUnfolder]: For 35690/36804 co-relation queries the response was YES. [2021-04-29 04:07:16,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28905 conditions, 5347 events. 1707/5347 cut-off events. For 35690/36804 co-relation queries the response was YES. Maximal size of possible extension queue 1235. Compared 65330 event pairs, 313 based on Foata normal form. 1/3851 useless extension candidates. Maximal degree in co-relation 28862. Up to 1730 conditions per place. [2021-04-29 04:07:16,195 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 84 selfloop transitions, 74 changer transitions 0/172 dead transitions. [2021-04-29 04:07:16,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 172 transitions, 2601 flow [2021-04-29 04:07:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 481 transitions. [2021-04-29 04:07:16,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8713768115942029 [2021-04-29 04:07:16,198 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 481 transitions. [2021-04-29 04:07:16,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 481 transitions. [2021-04-29 04:07:16,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:16,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 481 transitions. [2021-04-29 04:07:16,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.125) internal successors, (481), 8 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) [2021-04-29 04:07:16,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:16,202 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:16,202 INFO L185 Difference]: Start difference. First operand has 101 places, 123 transitions, 1703 flow. Second operand 8 states and 481 transitions. [2021-04-29 04:07:16,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 172 transitions, 2601 flow [2021-04-29 04:07:16,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 172 transitions, 2539 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:16,637 INFO L241 Difference]: Finished difference. Result has 112 places, 138 transitions, 2147 flow [2021-04-29 04:07:16,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1663, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2147, PETRI_PLACES=112, PETRI_TRANSITIONS=138} [2021-04-29 04:07:16,638 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 68 predicate places. [2021-04-29 04:07:16,638 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:16,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 138 transitions, 2147 flow [2021-04-29 04:07:16,639 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 138 transitions, 2147 flow [2021-04-29 04:07:16,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 138 transitions, 2147 flow [2021-04-29 04:07:17,071 INFO L129 PetriNetUnfolder]: 194/2240 cut-off events. [2021-04-29 04:07:17,072 INFO L130 PetriNetUnfolder]: For 15287/16490 co-relation queries the response was YES. [2021-04-29 04:07:17,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10556 conditions, 2240 events. 194/2240 cut-off events. For 15287/16490 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 32730 event pairs, 0 based on Foata normal form. 2/1603 useless extension candidates. Maximal degree in co-relation 10509. Up to 388 conditions per place. [2021-04-29 04:07:17,131 INFO L146 LiptonReduction]: Number of co-enabled transitions 1542 [2021-04-29 04:07:17,172 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:17,172 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:17,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 535 [2021-04-29 04:07:17,174 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 138 transitions, 2147 flow [2021-04-29 04:07:17,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:17,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:17,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:17,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 04:07:17,175 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:17,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:17,176 INFO L82 PathProgramCache]: Analyzing trace with hash -58277944, now seen corresponding path program 8 times [2021-04-29 04:07:17,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:17,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408680701] [2021-04-29 04:07:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:17,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:17,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:17,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:17,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:17,237 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:17,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:17,255 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:17,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:17,281 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:17,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:17,318 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:17,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408680701] [2021-04-29 04:07:17,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:17,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:17,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274740863] [2021-04-29 04:07:17,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:17,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:17,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:17,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:17,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:17,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 138 transitions, 2147 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:17,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:17,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:17,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:19,032 INFO L129 PetriNetUnfolder]: 1789/6305 cut-off events. [2021-04-29 04:07:19,032 INFO L130 PetriNetUnfolder]: For 52985/54299 co-relation queries the response was YES. [2021-04-29 04:07:19,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35961 conditions, 6305 events. 1789/6305 cut-off events. For 52985/54299 co-relation queries the response was YES. Maximal size of possible extension queue 1584. Compared 84575 event pairs, 335 based on Foata normal form. 9/4631 useless extension candidates. Maximal degree in co-relation 35913. Up to 1567 conditions per place. [2021-04-29 04:07:19,118 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 176 selfloop transitions, 58 changer transitions 9/257 dead transitions. [2021-04-29 04:07:19,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 257 transitions, 4641 flow [2021-04-29 04:07:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 483 transitions. [2021-04-29 04:07:19,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-04-29 04:07:19,121 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 483 transitions. [2021-04-29 04:07:19,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 483 transitions. [2021-04-29 04:07:19,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:19,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 483 transitions. [2021-04-29 04:07:19,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.375) internal successors, (483), 8 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) [2021-04-29 04:07:19,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:19,126 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:19,127 INFO L185 Difference]: Start difference. First operand has 112 places, 138 transitions, 2147 flow. Second operand 8 states and 483 transitions. [2021-04-29 04:07:19,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 257 transitions, 4641 flow [2021-04-29 04:07:19,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 257 transitions, 4473 flow, removed 36 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:19,591 INFO L241 Difference]: Finished difference. Result has 124 places, 168 transitions, 2836 flow [2021-04-29 04:07:19,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2051, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2836, PETRI_PLACES=124, PETRI_TRANSITIONS=168} [2021-04-29 04:07:19,592 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 80 predicate places. [2021-04-29 04:07:19,592 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:19,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 168 transitions, 2836 flow [2021-04-29 04:07:19,592 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 168 transitions, 2836 flow [2021-04-29 04:07:19,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 168 transitions, 2836 flow [2021-04-29 04:07:20,121 INFO L129 PetriNetUnfolder]: 208/2421 cut-off events. [2021-04-29 04:07:20,121 INFO L130 PetriNetUnfolder]: For 20043/21685 co-relation queries the response was YES. [2021-04-29 04:07:20,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12098 conditions, 2421 events. 208/2421 cut-off events. For 20043/21685 co-relation queries the response was YES. Maximal size of possible extension queue 804. Compared 35852 event pairs, 0 based on Foata normal form. 6/1728 useless extension candidates. Maximal degree in co-relation 12045. Up to 416 conditions per place. [2021-04-29 04:07:20,196 INFO L146 LiptonReduction]: Number of co-enabled transitions 1820 [2021-04-29 04:07:20,213 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:20,213 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:20,214 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 622 [2021-04-29 04:07:20,215 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 168 transitions, 2836 flow [2021-04-29 04:07:20,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:20,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:20,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:20,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 04:07:20,216 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:20,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:20,216 INFO L82 PathProgramCache]: Analyzing trace with hash 403144224, now seen corresponding path program 9 times [2021-04-29 04:07:20,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:20,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383109594] [2021-04-29 04:07:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:20,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:20,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:20,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:20,271 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:20,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:20,299 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:07:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:20,334 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:20,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:20,366 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:20,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383109594] [2021-04-29 04:07:20,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:20,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:20,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177030378] [2021-04-29 04:07:20,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:20,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:20,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:20,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:20,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:20,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 168 transitions, 2836 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:20,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:20,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:20,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:21,881 INFO L129 PetriNetUnfolder]: 1401/5454 cut-off events. [2021-04-29 04:07:21,882 INFO L130 PetriNetUnfolder]: For 54127/56400 co-relation queries the response was YES. [2021-04-29 04:07:22,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34527 conditions, 5454 events. 1401/5454 cut-off events. For 54127/56400 co-relation queries the response was YES. Maximal size of possible extension queue 1439. Compared 73752 event pairs, 225 based on Foata normal form. 12/3935 useless extension candidates. Maximal degree in co-relation 34473. Up to 1415 conditions per place. [2021-04-29 04:07:22,044 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 109 selfloop transitions, 107 changer transitions 3/233 dead transitions. [2021-04-29 04:07:22,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 233 transitions, 4322 flow [2021-04-29 04:07:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 480 transitions. [2021-04-29 04:07:22,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8695652173913043 [2021-04-29 04:07:22,048 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 480 transitions. [2021-04-29 04:07:22,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 480 transitions. [2021-04-29 04:07:22,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:22,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 480 transitions. [2021-04-29 04:07:22,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.0) internal successors, (480), 8 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) [2021-04-29 04:07:22,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:22,053 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:22,053 INFO L185 Difference]: Start difference. First operand has 124 places, 168 transitions, 2836 flow. Second operand 8 states and 480 transitions. [2021-04-29 04:07:22,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 233 transitions, 4322 flow [2021-04-29 04:07:22,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 233 transitions, 4159 flow, removed 68 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:22,811 INFO L241 Difference]: Finished difference. Result has 135 places, 184 transitions, 3407 flow [2021-04-29 04:07:22,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2713, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3407, PETRI_PLACES=135, PETRI_TRANSITIONS=184} [2021-04-29 04:07:22,812 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 91 predicate places. [2021-04-29 04:07:22,812 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:22,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 184 transitions, 3407 flow [2021-04-29 04:07:22,812 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 184 transitions, 3407 flow [2021-04-29 04:07:22,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 184 transitions, 3407 flow [2021-04-29 04:07:23,375 INFO L129 PetriNetUnfolder]: 304/3162 cut-off events. [2021-04-29 04:07:23,375 INFO L130 PetriNetUnfolder]: For 30493/32726 co-relation queries the response was YES. [2021-04-29 04:07:23,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16347 conditions, 3162 events. 304/3162 cut-off events. For 30493/32726 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 48370 event pairs, 0 based on Foata normal form. 6/2364 useless extension candidates. Maximal degree in co-relation 16289. Up to 608 conditions per place. [2021-04-29 04:07:23,445 INFO L146 LiptonReduction]: Number of co-enabled transitions 1936 [2021-04-29 04:07:23,468 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:23,468 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:23,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 657 [2021-04-29 04:07:23,470 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 184 transitions, 3407 flow [2021-04-29 04:07:23,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:23,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:23,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:23,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 04:07:23,471 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:23,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:23,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1011156294, now seen corresponding path program 10 times [2021-04-29 04:07:23,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:23,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282733024] [2021-04-29 04:07:23,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:23,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:23,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:23,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:23,545 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:23,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:23,567 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:23,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:23,595 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:23,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282733024] [2021-04-29 04:07:23,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:23,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:23,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223043340] [2021-04-29 04:07:23,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:23,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:23,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:23,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:23,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:23,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 184 transitions, 3407 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:23,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:23,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:23,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:25,213 INFO L129 PetriNetUnfolder]: 1461/6010 cut-off events. [2021-04-29 04:07:25,213 INFO L130 PetriNetUnfolder]: For 68840/72361 co-relation queries the response was YES. [2021-04-29 04:07:25,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39168 conditions, 6010 events. 1461/6010 cut-off events. For 68840/72361 co-relation queries the response was YES. Maximal size of possible extension queue 1644. Compared 83988 event pairs, 521 based on Foata normal form. 26/4479 useless extension candidates. Maximal degree in co-relation 39109. Up to 1583 conditions per place. [2021-04-29 04:07:25,276 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 183 selfloop transitions, 63 changer transitions 16/276 dead transitions. [2021-04-29 04:07:25,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 276 transitions, 5819 flow [2021-04-29 04:07:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 483 transitions. [2021-04-29 04:07:25,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-04-29 04:07:25,279 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 483 transitions. [2021-04-29 04:07:25,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 483 transitions. [2021-04-29 04:07:25,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:25,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 483 transitions. [2021-04-29 04:07:25,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.375) internal successors, (483), 8 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) [2021-04-29 04:07:25,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:25,284 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:25,284 INFO L185 Difference]: Start difference. First operand has 134 places, 184 transitions, 3407 flow. Second operand 8 states and 483 transitions. [2021-04-29 04:07:25,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 276 transitions, 5819 flow [2021-04-29 04:07:26,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 276 transitions, 5593 flow, removed 64 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:26,302 INFO L241 Difference]: Finished difference. Result has 143 places, 210 transitions, 4079 flow [2021-04-29 04:07:26,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=3289, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4079, PETRI_PLACES=143, PETRI_TRANSITIONS=210} [2021-04-29 04:07:26,303 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 99 predicate places. [2021-04-29 04:07:26,303 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:26,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 210 transitions, 4079 flow [2021-04-29 04:07:26,303 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 210 transitions, 4079 flow [2021-04-29 04:07:26,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 210 transitions, 4079 flow [2021-04-29 04:07:26,940 INFO L129 PetriNetUnfolder]: 304/3489 cut-off events. [2021-04-29 04:07:26,941 INFO L130 PetriNetUnfolder]: For 37040/38586 co-relation queries the response was YES. [2021-04-29 04:07:26,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19709 conditions, 3489 events. 304/3489 cut-off events. For 37040/38586 co-relation queries the response was YES. Maximal size of possible extension queue 1195. Compared 55015 event pairs, 0 based on Foata normal form. 6/2570 useless extension candidates. Maximal degree in co-relation 19648. Up to 608 conditions per place. [2021-04-29 04:07:27,006 INFO L146 LiptonReduction]: Number of co-enabled transitions 2200 [2021-04-29 04:07:27,027 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:27,027 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:27,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 724 [2021-04-29 04:07:27,028 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 210 transitions, 4079 flow [2021-04-29 04:07:27,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:27,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:27,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:27,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 04:07:27,029 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:27,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2063121696, now seen corresponding path program 11 times [2021-04-29 04:07:27,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:27,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207036203] [2021-04-29 04:07:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:27,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:27,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:27,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:27,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:27,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:27,077 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:27,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:27,105 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:27,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:27,125 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:27,152 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:27,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207036203] [2021-04-29 04:07:27,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:27,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:27,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895807798] [2021-04-29 04:07:27,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:27,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:27,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:27,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:27,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:27,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 210 transitions, 4079 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:27,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:27,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:27,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:28,996 INFO L129 PetriNetUnfolder]: 1701/7394 cut-off events. [2021-04-29 04:07:28,997 INFO L130 PetriNetUnfolder]: For 96577/101840 co-relation queries the response was YES. [2021-04-29 04:07:29,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50295 conditions, 7394 events. 1701/7394 cut-off events. For 96577/101840 co-relation queries the response was YES. Maximal size of possible extension queue 2092. Compared 108402 event pairs, 593 based on Foata normal form. 21/5459 useless extension candidates. Maximal degree in co-relation 50233. Up to 2372 conditions per place. [2021-04-29 04:07:29,228 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 152 selfloop transitions, 113 changer transitions 1/280 dead transitions. [2021-04-29 04:07:29,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 280 transitions, 5937 flow [2021-04-29 04:07:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 482 transitions. [2021-04-29 04:07:29,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8731884057971014 [2021-04-29 04:07:29,231 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 482 transitions. [2021-04-29 04:07:29,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 482 transitions. [2021-04-29 04:07:29,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:29,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 482 transitions. [2021-04-29 04:07:29,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.25) internal successors, (482), 8 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) [2021-04-29 04:07:29,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:29,236 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:29,236 INFO L185 Difference]: Start difference. First operand has 143 places, 210 transitions, 4079 flow. Second operand 8 states and 482 transitions. [2021-04-29 04:07:29,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 280 transitions, 5937 flow [2021-04-29 04:07:30,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 280 transitions, 5687 flow, removed 86 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:30,860 INFO L241 Difference]: Finished difference. Result has 153 places, 228 transitions, 4655 flow [2021-04-29 04:07:30,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=3887, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4655, PETRI_PLACES=153, PETRI_TRANSITIONS=228} [2021-04-29 04:07:30,861 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 109 predicate places. [2021-04-29 04:07:30,861 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:30,861 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 228 transitions, 4655 flow [2021-04-29 04:07:30,862 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 228 transitions, 4655 flow [2021-04-29 04:07:30,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 228 transitions, 4655 flow [2021-04-29 04:07:31,568 INFO L129 PetriNetUnfolder]: 488/4929 cut-off events. [2021-04-29 04:07:31,568 INFO L130 PetriNetUnfolder]: For 57610/59298 co-relation queries the response was YES. [2021-04-29 04:07:31,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27786 conditions, 4929 events. 488/4929 cut-off events. For 57610/59298 co-relation queries the response was YES. Maximal size of possible extension queue 1657. Compared 81294 event pairs, 0 based on Foata normal form. 6/3774 useless extension candidates. Maximal degree in co-relation 27720. Up to 976 conditions per place. [2021-04-29 04:07:31,836 INFO L146 LiptonReduction]: Number of co-enabled transitions 2328 [2021-04-29 04:07:31,860 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:31,861 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:31,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1000 [2021-04-29 04:07:31,864 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 228 transitions, 4655 flow [2021-04-29 04:07:31,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:31,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:31,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:31,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 04:07:31,865 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:31,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:31,865 INFO L82 PathProgramCache]: Analyzing trace with hash -189128520, now seen corresponding path program 12 times [2021-04-29 04:07:31,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:31,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816812689] [2021-04-29 04:07:31,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:31,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:31,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:31,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:31,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:31,925 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:31,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:31,941 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:31,961 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:31,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:31,995 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:32,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:32,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816812689] [2021-04-29 04:07:32,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:32,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:32,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404676266] [2021-04-29 04:07:32,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:32,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:32,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:32,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:32,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:32,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 228 transitions, 4655 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:32,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:32,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:32,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:34,243 INFO L129 PetriNetUnfolder]: 1805/7962 cut-off events. [2021-04-29 04:07:34,243 INFO L130 PetriNetUnfolder]: For 109766/115532 co-relation queries the response was YES. [2021-04-29 04:07:34,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55668 conditions, 7962 events. 1805/7962 cut-off events. For 109766/115532 co-relation queries the response was YES. Maximal size of possible extension queue 2291. Compared 118325 event pairs, 813 based on Foata normal form. 37/5882 useless extension candidates. Maximal degree in co-relation 55601. Up to 1875 conditions per place. [2021-04-29 04:07:34,354 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 139 selfloop transitions, 127 changer transitions 16/296 dead transitions. [2021-04-29 04:07:34,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 296 transitions, 6661 flow [2021-04-29 04:07:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 483 transitions. [2021-04-29 04:07:34,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-04-29 04:07:34,357 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 483 transitions. [2021-04-29 04:07:34,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 483 transitions. [2021-04-29 04:07:34,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:34,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 483 transitions. [2021-04-29 04:07:34,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.375) internal successors, (483), 8 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) [2021-04-29 04:07:34,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:34,362 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:34,362 INFO L185 Difference]: Start difference. First operand has 153 places, 228 transitions, 4655 flow. Second operand 8 states and 483 transitions. [2021-04-29 04:07:34,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 296 transitions, 6661 flow [2021-04-29 04:07:36,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 296 transitions, 6461 flow, removed 52 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:36,045 INFO L241 Difference]: Finished difference. Result has 164 places, 246 transitions, 5373 flow [2021-04-29 04:07:36,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4507, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5373, PETRI_PLACES=164, PETRI_TRANSITIONS=246} [2021-04-29 04:07:36,046 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 120 predicate places. [2021-04-29 04:07:36,046 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:36,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 246 transitions, 5373 flow [2021-04-29 04:07:36,046 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 246 transitions, 5373 flow [2021-04-29 04:07:36,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 246 transitions, 5373 flow [2021-04-29 04:07:36,657 INFO L129 PetriNetUnfolder]: 266/3748 cut-off events. [2021-04-29 04:07:36,657 INFO L130 PetriNetUnfolder]: For 49164/50253 co-relation queries the response was YES. [2021-04-29 04:07:36,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22505 conditions, 3748 events. 266/3748 cut-off events. For 49164/50253 co-relation queries the response was YES. Maximal size of possible extension queue 1227. Compared 59807 event pairs, 0 based on Foata normal form. 10/2827 useless extension candidates. Maximal degree in co-relation 22434. Up to 532 conditions per place. [2021-04-29 04:07:36,727 INFO L146 LiptonReduction]: Number of co-enabled transitions 2450 [2021-04-29 04:07:36,743 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:36,744 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:36,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 698 [2021-04-29 04:07:36,745 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 246 transitions, 5373 flow [2021-04-29 04:07:36,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:36,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:36,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:36,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 04:07:36,746 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:36,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:36,746 INFO L82 PathProgramCache]: Analyzing trace with hash -252484186, now seen corresponding path program 13 times [2021-04-29 04:07:36,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:36,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119201068] [2021-04-29 04:07:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:36,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:36,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:36,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:36,796 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:36,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:36,821 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:36,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:36,844 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:36,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:36,873 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:36,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:36,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119201068] [2021-04-29 04:07:36,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:36,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:36,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773211777] [2021-04-29 04:07:36,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:36,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:36,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:36,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:36,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:36,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 246 transitions, 5373 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:36,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:36,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:36,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:38,361 INFO L129 PetriNetUnfolder]: 1061/5685 cut-off events. [2021-04-29 04:07:38,362 INFO L130 PetriNetUnfolder]: For 84504/88092 co-relation queries the response was YES. [2021-04-29 04:07:38,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39927 conditions, 5685 events. 1061/5685 cut-off events. For 84504/88092 co-relation queries the response was YES. Maximal size of possible extension queue 1629. Compared 84326 event pairs, 335 based on Foata normal form. 32/4224 useless extension candidates. Maximal degree in co-relation 39855. Up to 1282 conditions per place. [2021-04-29 04:07:38,448 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 129 selfloop transitions, 156 changer transitions 5/304 dead transitions. [2021-04-29 04:07:38,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 304 transitions, 7225 flow [2021-04-29 04:07:38,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:38,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 480 transitions. [2021-04-29 04:07:38,455 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8695652173913043 [2021-04-29 04:07:38,455 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 480 transitions. [2021-04-29 04:07:38,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 480 transitions. [2021-04-29 04:07:38,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:38,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 480 transitions. [2021-04-29 04:07:38,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.0) internal successors, (480), 8 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) [2021-04-29 04:07:38,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:38,460 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:38,461 INFO L185 Difference]: Start difference. First operand has 164 places, 246 transitions, 5373 flow. Second operand 8 states and 480 transitions. [2021-04-29 04:07:38,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 304 transitions, 7225 flow [2021-04-29 04:07:39,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 304 transitions, 7001 flow, removed 76 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:39,726 INFO L241 Difference]: Finished difference. Result has 175 places, 263 transitions, 6206 flow [2021-04-29 04:07:39,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=5203, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6206, PETRI_PLACES=175, PETRI_TRANSITIONS=263} [2021-04-29 04:07:39,727 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 131 predicate places. [2021-04-29 04:07:39,727 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:39,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 263 transitions, 6206 flow [2021-04-29 04:07:39,727 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 263 transitions, 6206 flow [2021-04-29 04:07:39,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 263 transitions, 6206 flow [2021-04-29 04:07:40,557 INFO L129 PetriNetUnfolder]: 289/3986 cut-off events. [2021-04-29 04:07:40,557 INFO L130 PetriNetUnfolder]: For 59530/60450 co-relation queries the response was YES. [2021-04-29 04:07:40,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25509 conditions, 3986 events. 289/3986 cut-off events. For 59530/60450 co-relation queries the response was YES. Maximal size of possible extension queue 1321. Compared 64395 event pairs, 0 based on Foata normal form. 6/3028 useless extension candidates. Maximal degree in co-relation 25432. Up to 578 conditions per place. [2021-04-29 04:07:40,637 INFO L146 LiptonReduction]: Number of co-enabled transitions 2542 [2021-04-29 04:07:40,658 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:40,658 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:40,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-04-29 04:07:40,659 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 263 transitions, 6206 flow [2021-04-29 04:07:40,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:40,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:40,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:40,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 04:07:40,660 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:40,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:40,660 INFO L82 PathProgramCache]: Analyzing trace with hash 417265124, now seen corresponding path program 1 times [2021-04-29 04:07:40,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:40,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905422073] [2021-04-29 04:07:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:40,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:40,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:40,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:40,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:40,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905422073] [2021-04-29 04:07:40,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:40,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:40,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370291670] [2021-04-29 04:07:40,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:40,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:40,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:40,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:40,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-04-29 04:07:40,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 263 transitions, 6206 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:40,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:40,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-04-29 04:07:40,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:41,557 INFO L129 PetriNetUnfolder]: 0/3436 cut-off events. [2021-04-29 04:07:41,557 INFO L130 PetriNetUnfolder]: For 61313/62855 co-relation queries the response was YES. [2021-04-29 04:07:41,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25250 conditions, 3436 events. 0/3436 cut-off events. For 61313/62855 co-relation queries the response was YES. Maximal size of possible extension queue 1217. Compared 57544 event pairs, 0 based on Foata normal form. 261/2665 useless extension candidates. Maximal degree in co-relation 0. Up to 486 conditions per place. [2021-04-29 04:07:41,563 INFO L132 encePairwiseOnDemand]: 67/69 looper letters, 1 selfloop transitions, 1 changer transitions 104/261 dead transitions. [2021-04-29 04:07:41,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 261 transitions, 6204 flow [2021-04-29 04:07:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2021-04-29 04:07:41,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9130434782608695 [2021-04-29 04:07:41,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 189 transitions. [2021-04-29 04:07:41,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 189 transitions. [2021-04-29 04:07:41,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:41,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 189 transitions. [2021-04-29 04:07:41,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:41,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:41,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:41,568 INFO L185 Difference]: Start difference. First operand has 175 places, 263 transitions, 6206 flow. Second operand 3 states and 189 transitions. [2021-04-29 04:07:41,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 261 transitions, 6204 flow [2021-04-29 04:07:42,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 261 transitions, 6087 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:42,418 INFO L241 Difference]: Finished difference. Result has 176 places, 157 transitions, 3582 flow [2021-04-29 04:07:42,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6083, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3582, PETRI_PLACES=176, PETRI_TRANSITIONS=157} [2021-04-29 04:07:42,419 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 132 predicate places. [2021-04-29 04:07:42,419 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:42,419 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 157 transitions, 3582 flow [2021-04-29 04:07:42,419 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 157 transitions, 3582 flow [2021-04-29 04:07:42,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 157 transitions, 3582 flow [2021-04-29 04:07:42,681 INFO L129 PetriNetUnfolder]: 0/1365 cut-off events. [2021-04-29 04:07:42,682 INFO L130 PetriNetUnfolder]: For 24354/24609 co-relation queries the response was YES. [2021-04-29 04:07:42,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7202 conditions, 1365 events. 0/1365 cut-off events. For 24354/24609 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 18424 event pairs, 0 based on Foata normal form. 0/1322 useless extension candidates. Maximal degree in co-relation 0. Up to 159 conditions per place. [2021-04-29 04:07:42,697 INFO L146 LiptonReduction]: Number of co-enabled transitions 826 [2021-04-29 04:07:42,706 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:42,706 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:42,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 288 [2021-04-29 04:07:42,708 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 3582 flow [2021-04-29 04:07:42,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:42,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:42,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:42,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 04:07:42,708 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:42,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:42,709 INFO L82 PathProgramCache]: Analyzing trace with hash 458026180, now seen corresponding path program 14 times [2021-04-29 04:07:42,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:42,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821377595] [2021-04-29 04:07:42,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:42,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:42,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:42,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:42,765 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:42,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:42,786 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:42,809 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:42,842 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:42,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:42,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821377595] [2021-04-29 04:07:42,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:42,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:42,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600978089] [2021-04-29 04:07:42,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:42,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:42,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:42,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:42,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:42,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 3582 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:42,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:42,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:42,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:43,499 INFO L129 PetriNetUnfolder]: 158/1703 cut-off events. [2021-04-29 04:07:43,500 INFO L130 PetriNetUnfolder]: For 36364/38112 co-relation queries the response was YES. [2021-04-29 04:07:43,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10549 conditions, 1703 events. 158/1703 cut-off events. For 36364/38112 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 21621 event pairs, 108 based on Foata normal form. 42/1672 useless extension candidates. Maximal degree in co-relation 10473. Up to 401 conditions per place. [2021-04-29 04:07:43,511 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 91 selfloop transitions, 79 changer transitions 1/183 dead transitions. [2021-04-29 04:07:43,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 183 transitions, 4473 flow [2021-04-29 04:07:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:43,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:43,519 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:43,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:43,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:43,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:43,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:43,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:43,524 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:43,525 INFO L185 Difference]: Start difference. First operand has 163 places, 157 transitions, 3582 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:43,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 183 transitions, 4473 flow [2021-04-29 04:07:43,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 183 transitions, 4360 flow, removed 52 selfloop flow, removed 12 redundant places. [2021-04-29 04:07:43,701 INFO L241 Difference]: Finished difference. Result has 163 places, 164 transitions, 3945 flow [2021-04-29 04:07:43,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=3545, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3945, PETRI_PLACES=163, PETRI_TRANSITIONS=164} [2021-04-29 04:07:43,701 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 119 predicate places. [2021-04-29 04:07:43,701 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:43,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 164 transitions, 3945 flow [2021-04-29 04:07:43,702 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 164 transitions, 3945 flow [2021-04-29 04:07:43,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 164 transitions, 3945 flow [2021-04-29 04:07:43,881 INFO L129 PetriNetUnfolder]: 0/1376 cut-off events. [2021-04-29 04:07:43,881 INFO L130 PetriNetUnfolder]: For 22305/22686 co-relation queries the response was YES. [2021-04-29 04:07:43,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6260 conditions, 1376 events. 0/1376 cut-off events. For 22305/22686 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 18616 event pairs, 0 based on Foata normal form. 4/1339 useless extension candidates. Maximal degree in co-relation 0. Up to 161 conditions per place. [2021-04-29 04:07:43,891 INFO L146 LiptonReduction]: Number of co-enabled transitions 878 [2021-04-29 04:07:43,900 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:43,900 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:43,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-04-29 04:07:43,901 INFO L480 AbstractCegarLoop]: Abstraction has has 162 places, 164 transitions, 3945 flow [2021-04-29 04:07:43,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:43,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:43,902 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:43,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 04:07:43,902 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:43,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1971655986, now seen corresponding path program 15 times [2021-04-29 04:07:43,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:43,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195495127] [2021-04-29 04:07:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:43,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:43,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:43,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:43,944 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:43,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:43,958 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:43,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:43,975 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:43,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:44,004 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:44,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:44,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195495127] [2021-04-29 04:07:44,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:44,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:44,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702396144] [2021-04-29 04:07:44,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:44,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:44,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:44,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:44,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:44,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 164 transitions, 3945 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:44,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:44,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:44,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:44,439 INFO L129 PetriNetUnfolder]: 157/1703 cut-off events. [2021-04-29 04:07:44,439 INFO L130 PetriNetUnfolder]: For 32978/34933 co-relation queries the response was YES. [2021-04-29 04:07:44,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9569 conditions, 1703 events. 157/1703 cut-off events. For 32978/34933 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 21624 event pairs, 127 based on Foata normal form. 52/1677 useless extension candidates. Maximal degree in co-relation 9499. Up to 339 conditions per place. [2021-04-29 04:07:44,451 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 88 selfloop transitions, 86 changer transitions 3/189 dead transitions. [2021-04-29 04:07:44,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 189 transitions, 4782 flow [2021-04-29 04:07:44,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:44,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:44,453 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:44,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:44,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:44,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:44,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:44,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:44,457 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:44,457 INFO L185 Difference]: Start difference. First operand has 162 places, 164 transitions, 3945 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:44,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 189 transitions, 4782 flow [2021-04-29 04:07:44,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 189 transitions, 4642 flow, removed 23 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:44,695 INFO L241 Difference]: Finished difference. Result has 170 places, 170 transitions, 4196 flow [2021-04-29 04:07:44,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=3813, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4196, PETRI_PLACES=170, PETRI_TRANSITIONS=170} [2021-04-29 04:07:44,695 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 126 predicate places. [2021-04-29 04:07:44,695 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:44,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 170 transitions, 4196 flow [2021-04-29 04:07:44,696 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 170 transitions, 4196 flow [2021-04-29 04:07:44,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 170 transitions, 4196 flow [2021-04-29 04:07:44,894 INFO L129 PetriNetUnfolder]: 0/1375 cut-off events. [2021-04-29 04:07:44,894 INFO L130 PetriNetUnfolder]: For 22728/23031 co-relation queries the response was YES. [2021-04-29 04:07:44,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6367 conditions, 1375 events. 0/1375 cut-off events. For 22728/23031 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 18584 event pairs, 0 based on Foata normal form. 2/1337 useless extension candidates. Maximal degree in co-relation 0. Up to 161 conditions per place. [2021-04-29 04:07:44,938 INFO L146 LiptonReduction]: Number of co-enabled transitions 922 [2021-04-29 04:07:44,947 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:44,947 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:44,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-04-29 04:07:44,949 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 170 transitions, 4196 flow [2021-04-29 04:07:44,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:44,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:44,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:44,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 04:07:44,950 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:44,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:44,950 INFO L82 PathProgramCache]: Analyzing trace with hash -693078772, now seen corresponding path program 16 times [2021-04-29 04:07:44,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:44,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234476232] [2021-04-29 04:07:44,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:44,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:44,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:44,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:44,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:45,004 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:45,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:45,018 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:45,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:45,038 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:45,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:45,065 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:45,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:45,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234476232] [2021-04-29 04:07:45,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:45,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:45,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265898499] [2021-04-29 04:07:45,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:45,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:45,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:45,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:45,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:45,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 170 transitions, 4196 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:45,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:45,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:45,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:45,602 INFO L129 PetriNetUnfolder]: 156/1705 cut-off events. [2021-04-29 04:07:45,602 INFO L130 PetriNetUnfolder]: For 33666/35868 co-relation queries the response was YES. [2021-04-29 04:07:45,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9671 conditions, 1705 events. 156/1705 cut-off events. For 33666/35868 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 21620 event pairs, 122 based on Foata normal form. 52/1684 useless extension candidates. Maximal degree in co-relation 9598. Up to 339 conditions per place. [2021-04-29 04:07:45,615 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 77 selfloop transitions, 97 changer transitions 2/188 dead transitions. [2021-04-29 04:07:45,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 188 transitions, 4884 flow [2021-04-29 04:07:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:45,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:45,616 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:45,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:45,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:45,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:45,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:45,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:45,619 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:45,619 INFO L185 Difference]: Start difference. First operand has 169 places, 170 transitions, 4196 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:45,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 188 transitions, 4884 flow [2021-04-29 04:07:45,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 188 transitions, 4676 flow, removed 36 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:45,777 INFO L241 Difference]: Finished difference. Result has 173 places, 174 transitions, 4399 flow [2021-04-29 04:07:45,777 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4019, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4399, PETRI_PLACES=173, PETRI_TRANSITIONS=174} [2021-04-29 04:07:45,777 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 129 predicate places. [2021-04-29 04:07:45,777 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:45,778 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 174 transitions, 4399 flow [2021-04-29 04:07:45,778 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 174 transitions, 4399 flow [2021-04-29 04:07:45,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 174 transitions, 4399 flow [2021-04-29 04:07:45,982 INFO L129 PetriNetUnfolder]: 0/1375 cut-off events. [2021-04-29 04:07:45,983 INFO L130 PetriNetUnfolder]: For 22996/23319 co-relation queries the response was YES. [2021-04-29 04:07:45,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6396 conditions, 1375 events. 0/1375 cut-off events. For 22996/23319 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 18609 event pairs, 0 based on Foata normal form. 2/1336 useless extension candidates. Maximal degree in co-relation 0. Up to 161 conditions per place. [2021-04-29 04:07:45,995 INFO L146 LiptonReduction]: Number of co-enabled transitions 950 [2021-04-29 04:07:46,004 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,004 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,004 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-04-29 04:07:46,005 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 174 transitions, 4399 flow [2021-04-29 04:07:46,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:46,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:46,006 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:46,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 04:07:46,006 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:46,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:46,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1541028722, now seen corresponding path program 17 times [2021-04-29 04:07:46,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:46,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700986747] [2021-04-29 04:07:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:46,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:46,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:46,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:46,048 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:46,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:46,065 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:46,085 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:07:46,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:07:46,116 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:46,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:46,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700986747] [2021-04-29 04:07:46,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:46,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:46,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781856818] [2021-04-29 04:07:46,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:46,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:46,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:46,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:46,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:46,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 174 transitions, 4399 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:46,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:46,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:46,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:46,546 INFO L129 PetriNetUnfolder]: 156/1700 cut-off events. [2021-04-29 04:07:46,546 INFO L130 PetriNetUnfolder]: For 33590/35768 co-relation queries the response was YES. [2021-04-29 04:07:46,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9655 conditions, 1700 events. 156/1700 cut-off events. For 33590/35768 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 21561 event pairs, 122 based on Foata normal form. 52/1680 useless extension candidates. Maximal degree in co-relation 9582. Up to 339 conditions per place. [2021-04-29 04:07:46,558 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 75 selfloop transitions, 97 changer transitions 3/187 dead transitions. [2021-04-29 04:07:46,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 187 transitions, 4949 flow [2021-04-29 04:07:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:46,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:46,560 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:46,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:46,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:46,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:46,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:46,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:46,562 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:46,562 INFO L185 Difference]: Start difference. First operand has 172 places, 174 transitions, 4399 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:46,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 187 transitions, 4949 flow [2021-04-29 04:07:46,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 187 transitions, 4771 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:46,729 INFO L241 Difference]: Finished difference. Result has 177 places, 173 transitions, 4435 flow [2021-04-29 04:07:46,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4245, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4435, PETRI_PLACES=177, PETRI_TRANSITIONS=173} [2021-04-29 04:07:46,730 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 133 predicate places. [2021-04-29 04:07:46,730 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:46,730 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 173 transitions, 4435 flow [2021-04-29 04:07:46,730 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 173 transitions, 4435 flow [2021-04-29 04:07:46,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 173 transitions, 4435 flow [2021-04-29 04:07:46,955 INFO L129 PetriNetUnfolder]: 0/1369 cut-off events. [2021-04-29 04:07:46,955 INFO L130 PetriNetUnfolder]: For 22605/22957 co-relation queries the response was YES. [2021-04-29 04:07:46,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6359 conditions, 1369 events. 0/1369 cut-off events. For 22605/22957 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 18522 event pairs, 0 based on Foata normal form. 2/1334 useless extension candidates. Maximal degree in co-relation 0. Up to 160 conditions per place. [2021-04-29 04:07:46,975 INFO L146 LiptonReduction]: Number of co-enabled transitions 940 [2021-04-29 04:07:46,987 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,987 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-04-29 04:07:46,988 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 173 transitions, 4435 flow [2021-04-29 04:07:46,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:46,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:46,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:46,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 04:07:46,989 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:46,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:46,989 INFO L82 PathProgramCache]: Analyzing trace with hash 530228982, now seen corresponding path program 18 times [2021-04-29 04:07:46,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:46,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262306076] [2021-04-29 04:07:46,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:47,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:47,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:47,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:47,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:47,023 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:47,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:47,033 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:47,048 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:47,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:47,071 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:47,099 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:47,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:47,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262306076] [2021-04-29 04:07:47,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:47,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:47,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073890779] [2021-04-29 04:07:47,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:47,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:47,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:47,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:47,131 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:47,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 173 transitions, 4435 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:47,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:47,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:47,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:47,662 INFO L129 PetriNetUnfolder]: 154/1702 cut-off events. [2021-04-29 04:07:47,663 INFO L130 PetriNetUnfolder]: For 32847/35025 co-relation queries the response was YES. [2021-04-29 04:07:47,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9621 conditions, 1702 events. 154/1702 cut-off events. For 32847/35025 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 21624 event pairs, 120 based on Foata normal form. 52/1680 useless extension candidates. Maximal degree in co-relation 9547. Up to 339 conditions per place. [2021-04-29 04:07:47,683 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 89 selfloop transitions, 84 changer transitions 1/186 dead transitions. [2021-04-29 04:07:47,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 186 transitions, 4968 flow [2021-04-29 04:07:47,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:47,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:47,685 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:47,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:47,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:47,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:47,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:47,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:47,688 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:47,688 INFO L185 Difference]: Start difference. First operand has 176 places, 173 transitions, 4435 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:47,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 186 transitions, 4968 flow [2021-04-29 04:07:47,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 186 transitions, 4778 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:47,860 INFO L241 Difference]: Finished difference. Result has 180 places, 174 transitions, 4456 flow [2021-04-29 04:07:47,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4256, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4456, PETRI_PLACES=180, PETRI_TRANSITIONS=174} [2021-04-29 04:07:47,861 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 136 predicate places. [2021-04-29 04:07:47,861 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:47,861 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 174 transitions, 4456 flow [2021-04-29 04:07:47,862 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 174 transitions, 4456 flow [2021-04-29 04:07:47,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 174 transitions, 4456 flow [2021-04-29 04:07:48,098 INFO L129 PetriNetUnfolder]: 0/1376 cut-off events. [2021-04-29 04:07:48,098 INFO L130 PetriNetUnfolder]: For 22854/23217 co-relation queries the response was YES. [2021-04-29 04:07:48,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6425 conditions, 1376 events. 0/1376 cut-off events. For 22854/23217 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 18581 event pairs, 0 based on Foata normal form. 1/1337 useless extension candidates. Maximal degree in co-relation 0. Up to 161 conditions per place. [2021-04-29 04:07:48,112 INFO L146 LiptonReduction]: Number of co-enabled transitions 944 [2021-04-29 04:07:48,123 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:48,123 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:48,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 262 [2021-04-29 04:07:48,124 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 174 transitions, 4456 flow [2021-04-29 04:07:48,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:48,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:48,125 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:48,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 04:07:48,125 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:48,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:48,126 INFO L82 PathProgramCache]: Analyzing trace with hash -306906488, now seen corresponding path program 19 times [2021-04-29 04:07:48,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:48,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000050794] [2021-04-29 04:07:48,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:48,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:48,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:48,159 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:48,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:48,171 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:48,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:48,188 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:48,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:48,210 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:48,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:48,243 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:48,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:48,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000050794] [2021-04-29 04:07:48,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:48,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:48,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664246184] [2021-04-29 04:07:48,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:48,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:48,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:48,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:48,277 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:48,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 174 transitions, 4456 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:48,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:48,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:48,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:48,867 INFO L129 PetriNetUnfolder]: 154/1697 cut-off events. [2021-04-29 04:07:48,868 INFO L130 PetriNetUnfolder]: For 33082/35264 co-relation queries the response was YES. [2021-04-29 04:07:48,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9615 conditions, 1697 events. 154/1697 cut-off events. For 33082/35264 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 21503 event pairs, 120 based on Foata normal form. 54/1678 useless extension candidates. Maximal degree in co-relation 9540. Up to 339 conditions per place. [2021-04-29 04:07:48,887 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 89 selfloop transitions, 83 changer transitions 3/187 dead transitions. [2021-04-29 04:07:48,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 187 transitions, 5002 flow [2021-04-29 04:07:48,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:48,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:48,890 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:48,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:48,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:48,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:48,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:48,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:48,893 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:48,893 INFO L185 Difference]: Start difference. First operand has 179 places, 174 transitions, 4456 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:48,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 187 transitions, 5002 flow [2021-04-29 04:07:49,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 187 transitions, 4826 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:49,060 INFO L241 Difference]: Finished difference. Result has 183 places, 173 transitions, 4437 flow [2021-04-29 04:07:49,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4290, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4437, PETRI_PLACES=183, PETRI_TRANSITIONS=173} [2021-04-29 04:07:49,060 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 139 predicate places. [2021-04-29 04:07:49,060 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:49,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 173 transitions, 4437 flow [2021-04-29 04:07:49,061 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 173 transitions, 4437 flow [2021-04-29 04:07:49,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 173 transitions, 4437 flow [2021-04-29 04:07:49,244 INFO L129 PetriNetUnfolder]: 0/1363 cut-off events. [2021-04-29 04:07:49,245 INFO L130 PetriNetUnfolder]: For 22279/22572 co-relation queries the response was YES. [2021-04-29 04:07:49,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6339 conditions, 1363 events. 0/1363 cut-off events. For 22279/22572 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 18409 event pairs, 0 based on Foata normal form. 2/1327 useless extension candidates. Maximal degree in co-relation 0. Up to 160 conditions per place. [2021-04-29 04:07:49,255 INFO L146 LiptonReduction]: Number of co-enabled transitions 936 [2021-04-29 04:07:49,266 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:49,266 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:49,266 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 206 [2021-04-29 04:07:49,267 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 173 transitions, 4437 flow [2021-04-29 04:07:49,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:49,267 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:49,267 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:49,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 04:07:49,268 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:49,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:49,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1854693122, now seen corresponding path program 20 times [2021-04-29 04:07:49,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:49,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005577957] [2021-04-29 04:07:49,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:49,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:49,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:49,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:49,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:49,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:49,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:49,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:49,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:49,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:49,348 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:49,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:49,376 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:49,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:49,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005577957] [2021-04-29 04:07:49,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:49,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:49,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016654446] [2021-04-29 04:07:49,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:49,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:49,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:49,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:49,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:49,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 173 transitions, 4437 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:49,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:49,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:49,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:49,921 INFO L129 PetriNetUnfolder]: 157/2008 cut-off events. [2021-04-29 04:07:49,921 INFO L130 PetriNetUnfolder]: For 38967/40506 co-relation queries the response was YES. [2021-04-29 04:07:49,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11290 conditions, 2008 events. 157/2008 cut-off events. For 38967/40506 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 26886 event pairs, 35 based on Foata normal form. 24/1941 useless extension candidates. Maximal degree in co-relation 11214. Up to 533 conditions per place. [2021-04-29 04:07:49,936 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 180 selfloop transitions, 67 changer transitions 3/262 dead transitions. [2021-04-29 04:07:49,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 262 transitions, 7202 flow [2021-04-29 04:07:49,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:49,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:49,938 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:49,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:49,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:49,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:49,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:49,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:49,940 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:49,940 INFO L185 Difference]: Start difference. First operand has 182 places, 173 transitions, 4437 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:49,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 262 transitions, 7202 flow [2021-04-29 04:07:50,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 262 transitions, 6931 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:50,170 INFO L241 Difference]: Finished difference. Result has 189 places, 196 transitions, 5106 flow [2021-04-29 04:07:50,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4272, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5106, PETRI_PLACES=189, PETRI_TRANSITIONS=196} [2021-04-29 04:07:50,171 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 145 predicate places. [2021-04-29 04:07:50,171 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:50,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 196 transitions, 5106 flow [2021-04-29 04:07:50,172 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 196 transitions, 5106 flow [2021-04-29 04:07:50,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 196 transitions, 5106 flow [2021-04-29 04:07:50,418 INFO L129 PetriNetUnfolder]: 0/1668 cut-off events. [2021-04-29 04:07:50,418 INFO L130 PetriNetUnfolder]: For 30222/30582 co-relation queries the response was YES. [2021-04-29 04:07:50,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8030 conditions, 1668 events. 0/1668 cut-off events. For 30222/30582 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 23500 event pairs, 0 based on Foata normal form. 5/1609 useless extension candidates. Maximal degree in co-relation 0. Up to 195 conditions per place. [2021-04-29 04:07:50,432 INFO L146 LiptonReduction]: Number of co-enabled transitions 1044 [2021-04-29 04:07:50,444 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:50,444 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:50,444 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 273 [2021-04-29 04:07:50,445 INFO L480 AbstractCegarLoop]: Abstraction has has 188 places, 196 transitions, 5106 flow [2021-04-29 04:07:50,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:50,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:50,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:50,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 04:07:50,445 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:50,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:50,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1901439416, now seen corresponding path program 21 times [2021-04-29 04:07:50,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:50,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860626410] [2021-04-29 04:07:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:50,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:50,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:50,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:50,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:50,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:50,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:50,503 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:50,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:50,522 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:50,547 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:50,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:50,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860626410] [2021-04-29 04:07:50,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:50,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:50,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628038431] [2021-04-29 04:07:50,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:50,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:50,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:50,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:50,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:50,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 196 transitions, 5106 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:50,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:50,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:50,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:51,184 INFO L129 PetriNetUnfolder]: 154/1997 cut-off events. [2021-04-29 04:07:51,184 INFO L130 PetriNetUnfolder]: For 42459/44316 co-relation queries the response was YES. [2021-04-29 04:07:51,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11590 conditions, 1997 events. 154/1997 cut-off events. For 42459/44316 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 26619 event pairs, 87 based on Foata normal form. 27/1943 useless extension candidates. Maximal degree in co-relation 11510. Up to 427 conditions per place. [2021-04-29 04:07:51,204 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 129 selfloop transitions, 89 changer transitions 4/234 dead transitions. [2021-04-29 04:07:51,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 234 transitions, 6354 flow [2021-04-29 04:07:51,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:51,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:51,206 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:51,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:51,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:51,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:51,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:51,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:51,209 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:51,209 INFO L185 Difference]: Start difference. First operand has 188 places, 196 transitions, 5106 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:51,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 234 transitions, 6354 flow [2021-04-29 04:07:51,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 234 transitions, 6250 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:51,469 INFO L241 Difference]: Finished difference. Result has 198 places, 214 transitions, 5787 flow [2021-04-29 04:07:51,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=5030, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5787, PETRI_PLACES=198, PETRI_TRANSITIONS=214} [2021-04-29 04:07:51,470 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 154 predicate places. [2021-04-29 04:07:51,470 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:51,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 214 transitions, 5787 flow [2021-04-29 04:07:51,471 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 214 transitions, 5787 flow [2021-04-29 04:07:51,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 214 transitions, 5787 flow [2021-04-29 04:07:51,773 INFO L129 PetriNetUnfolder]: 0/1679 cut-off events. [2021-04-29 04:07:51,774 INFO L130 PetriNetUnfolder]: For 32940/33305 co-relation queries the response was YES. [2021-04-29 04:07:51,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8401 conditions, 1679 events. 0/1679 cut-off events. For 32940/33305 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 23709 event pairs, 0 based on Foata normal form. 2/1624 useless extension candidates. Maximal degree in co-relation 0. Up to 196 conditions per place. [2021-04-29 04:07:51,792 INFO L146 LiptonReduction]: Number of co-enabled transitions 1112 [2021-04-29 04:07:51,808 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:51,808 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:51,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 338 [2021-04-29 04:07:51,809 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 214 transitions, 5787 flow [2021-04-29 04:07:51,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:51,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:51,810 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:51,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 04:07:51,810 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:51,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:51,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1246874708, now seen corresponding path program 22 times [2021-04-29 04:07:51,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:51,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328848269] [2021-04-29 04:07:51,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:51,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:51,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:51,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:51,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:51,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:51,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:51,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:51,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:51,879 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:07:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:07:51,922 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:51,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:51,949 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:51,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:51,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328848269] [2021-04-29 04:07:51,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:51,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:51,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538106378] [2021-04-29 04:07:51,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:51,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:51,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:51,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:51,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:51,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 214 transitions, 5787 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:51,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:51,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:51,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:52,656 INFO L129 PetriNetUnfolder]: 145/2137 cut-off events. [2021-04-29 04:07:52,656 INFO L130 PetriNetUnfolder]: For 50439/53070 co-relation queries the response was YES. [2021-04-29 04:07:52,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12732 conditions, 2137 events. 145/2137 cut-off events. For 50439/53070 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 29332 event pairs, 87 based on Foata normal form. 43/2084 useless extension candidates. Maximal degree in co-relation 12648. Up to 433 conditions per place. [2021-04-29 04:07:52,674 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 182 selfloop transitions, 104 changer transitions 2/300 dead transitions. [2021-04-29 04:07:52,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 300 transitions, 8884 flow [2021-04-29 04:07:52,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:52,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:52,676 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:52,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:52,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:52,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:52,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,679 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,679 INFO L185 Difference]: Start difference. First operand has 197 places, 214 transitions, 5787 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:52,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 300 transitions, 8884 flow [2021-04-29 04:07:52,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 300 transitions, 8643 flow, removed 63 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:52,974 INFO L241 Difference]: Finished difference. Result has 204 places, 239 transitions, 6685 flow [2021-04-29 04:07:52,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=5617, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6685, PETRI_PLACES=204, PETRI_TRANSITIONS=239} [2021-04-29 04:07:52,975 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 160 predicate places. [2021-04-29 04:07:52,975 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:52,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 239 transitions, 6685 flow [2021-04-29 04:07:52,975 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 239 transitions, 6685 flow [2021-04-29 04:07:52,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 239 transitions, 6685 flow [2021-04-29 04:07:53,308 INFO L129 PetriNetUnfolder]: 0/1822 cut-off events. [2021-04-29 04:07:53,308 INFO L130 PetriNetUnfolder]: For 39902/40298 co-relation queries the response was YES. [2021-04-29 04:07:53,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9532 conditions, 1822 events. 0/1822 cut-off events. For 39902/40298 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 26142 event pairs, 0 based on Foata normal form. 11/1766 useless extension candidates. Maximal degree in co-relation 0. Up to 213 conditions per place. [2021-04-29 04:07:53,328 INFO L146 LiptonReduction]: Number of co-enabled transitions 1252 [2021-04-29 04:07:53,345 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:53,345 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:53,345 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-04-29 04:07:53,346 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 239 transitions, 6685 flow [2021-04-29 04:07:53,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:53,346 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:53,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:53,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 04:07:53,347 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:53,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1527209122, now seen corresponding path program 23 times [2021-04-29 04:07:53,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:53,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897607132] [2021-04-29 04:07:53,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:53,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:53,387 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:53,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:53,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:53,419 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:53,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:53,441 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:53,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:53,469 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:53,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:53,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897607132] [2021-04-29 04:07:53,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:53,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:53,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636692874] [2021-04-29 04:07:53,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:53,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:53,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:53,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:53,504 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:53,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 239 transitions, 6685 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:53,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:53,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:53,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:54,221 INFO L129 PetriNetUnfolder]: 138/2147 cut-off events. [2021-04-29 04:07:54,222 INFO L130 PetriNetUnfolder]: For 53125/55791 co-relation queries the response was YES. [2021-04-29 04:07:54,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13237 conditions, 2147 events. 138/2147 cut-off events. For 53125/55791 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 29529 event pairs, 126 based on Foata normal form. 50/2112 useless extension candidates. Maximal degree in co-relation 13151. Up to 394 conditions per place. [2021-04-29 04:07:54,240 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 130 selfloop transitions, 118 changer transitions 2/262 dead transitions. [2021-04-29 04:07:54,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 262 transitions, 7756 flow [2021-04-29 04:07:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:54,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:54,242 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:54,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:54,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:54,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:54,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:54,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:54,245 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:54,245 INFO L185 Difference]: Start difference. First operand has 203 places, 239 transitions, 6685 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:54,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 262 transitions, 7756 flow [2021-04-29 04:07:54,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 262 transitions, 7649 flow, removed 35 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:54,561 INFO L241 Difference]: Finished difference. Result has 211 places, 245 transitions, 7070 flow [2021-04-29 04:07:54,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6592, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7070, PETRI_PLACES=211, PETRI_TRANSITIONS=245} [2021-04-29 04:07:54,561 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 167 predicate places. [2021-04-29 04:07:54,562 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:54,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 245 transitions, 7070 flow [2021-04-29 04:07:54,562 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 245 transitions, 7070 flow [2021-04-29 04:07:54,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 245 transitions, 7070 flow [2021-04-29 04:07:54,906 INFO L129 PetriNetUnfolder]: 0/1867 cut-off events. [2021-04-29 04:07:54,907 INFO L130 PetriNetUnfolder]: For 43525/43878 co-relation queries the response was YES. [2021-04-29 04:07:54,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10093 conditions, 1867 events. 0/1867 cut-off events. For 43525/43878 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 26918 event pairs, 0 based on Foata normal form. 10/1804 useless extension candidates. Maximal degree in co-relation 0. Up to 220 conditions per place. [2021-04-29 04:07:54,929 INFO L146 LiptonReduction]: Number of co-enabled transitions 1282 [2021-04-29 04:07:54,948 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:54,948 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:54,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-04-29 04:07:54,949 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 245 transitions, 7070 flow [2021-04-29 04:07:54,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:54,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:54,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:54,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 04:07:54,950 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:54,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:54,951 INFO L82 PathProgramCache]: Analyzing trace with hash -300524996, now seen corresponding path program 24 times [2021-04-29 04:07:54,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:54,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800340250] [2021-04-29 04:07:54,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:54,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:54,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:54,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:54,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:54,979 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:54,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:54,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:55,009 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:07:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:07:55,050 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:55,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:55,076 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:55,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800340250] [2021-04-29 04:07:55,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:55,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:55,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598757822] [2021-04-29 04:07:55,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:55,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:55,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:55,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:55,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:55,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 245 transitions, 7070 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:55,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:55,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:55,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:55,749 INFO L129 PetriNetUnfolder]: 131/2183 cut-off events. [2021-04-29 04:07:55,749 INFO L130 PetriNetUnfolder]: For 55864/58158 co-relation queries the response was YES. [2021-04-29 04:07:55,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13709 conditions, 2183 events. 131/2183 cut-off events. For 55864/58158 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 30303 event pairs, 131 based on Foata normal form. 50/2137 useless extension candidates. Maximal degree in co-relation 13621. Up to 374 conditions per place. [2021-04-29 04:07:55,766 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 127 selfloop transitions, 135 changer transitions 3/277 dead transitions. [2021-04-29 04:07:55,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 277 transitions, 8459 flow [2021-04-29 04:07:55,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:55,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:55,768 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:55,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:55,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:55,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:55,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:55,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:55,770 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:55,770 INFO L185 Difference]: Start difference. First operand has 210 places, 245 transitions, 7070 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:55,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 277 transitions, 8459 flow [2021-04-29 04:07:56,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 277 transitions, 8206 flow, removed 24 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:56,096 INFO L241 Difference]: Finished difference. Result has 216 places, 254 transitions, 7462 flow [2021-04-29 04:07:56,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6840, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7462, PETRI_PLACES=216, PETRI_TRANSITIONS=254} [2021-04-29 04:07:56,097 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 172 predicate places. [2021-04-29 04:07:56,097 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:56,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 254 transitions, 7462 flow [2021-04-29 04:07:56,097 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 254 transitions, 7462 flow [2021-04-29 04:07:56,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 215 places, 254 transitions, 7462 flow [2021-04-29 04:07:56,440 INFO L129 PetriNetUnfolder]: 0/1916 cut-off events. [2021-04-29 04:07:56,441 INFO L130 PetriNetUnfolder]: For 46403/46766 co-relation queries the response was YES. [2021-04-29 04:07:56,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10534 conditions, 1916 events. 0/1916 cut-off events. For 46403/46766 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 27825 event pairs, 0 based on Foata normal form. 11/1853 useless extension candidates. Maximal degree in co-relation 0. Up to 227 conditions per place. [2021-04-29 04:07:56,462 INFO L146 LiptonReduction]: Number of co-enabled transitions 1346 [2021-04-29 04:07:56,484 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:56,484 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:56,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-04-29 04:07:56,485 INFO L480 AbstractCegarLoop]: Abstraction has has 215 places, 254 transitions, 7462 flow [2021-04-29 04:07:56,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:56,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:56,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:56,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 04:07:56,486 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:56,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:56,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1521405732, now seen corresponding path program 25 times [2021-04-29 04:07:56,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:56,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562178203] [2021-04-29 04:07:56,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:56,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:56,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:56,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:56,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:56,546 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:56,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:56,568 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:56,599 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:56,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:56,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562178203] [2021-04-29 04:07:56,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:56,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:56,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047071527] [2021-04-29 04:07:56,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:56,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:56,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:56,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:56,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:56,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 254 transitions, 7462 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:56,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:56,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:56,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:57,404 INFO L129 PetriNetUnfolder]: 131/2172 cut-off events. [2021-04-29 04:07:57,404 INFO L130 PetriNetUnfolder]: For 56981/59272 co-relation queries the response was YES. [2021-04-29 04:07:57,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13822 conditions, 2172 events. 131/2172 cut-off events. For 56981/59272 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 29965 event pairs, 38 based on Foata normal form. 7/2096 useless extension candidates. Maximal degree in co-relation 13732. Up to 595 conditions per place. [2021-04-29 04:07:57,423 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 207 selfloop transitions, 108 changer transitions 3/330 dead transitions. [2021-04-29 04:07:57,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 330 transitions, 10162 flow [2021-04-29 04:07:57,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:57,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:57,425 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:57,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:57,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:57,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:57,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,428 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,428 INFO L185 Difference]: Start difference. First operand has 215 places, 254 transitions, 7462 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:57,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 330 transitions, 10162 flow [2021-04-29 04:07:57,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 330 transitions, 9817 flow, removed 29 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:57,784 INFO L241 Difference]: Finished difference. Result has 223 places, 300 transitions, 9014 flow [2021-04-29 04:07:57,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7225, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9014, PETRI_PLACES=223, PETRI_TRANSITIONS=300} [2021-04-29 04:07:57,785 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 179 predicate places. [2021-04-29 04:07:57,785 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:57,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 300 transitions, 9014 flow [2021-04-29 04:07:57,785 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 300 transitions, 9014 flow [2021-04-29 04:07:57,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 300 transitions, 9014 flow [2021-04-29 04:07:58,175 INFO L129 PetriNetUnfolder]: 0/1909 cut-off events. [2021-04-29 04:07:58,175 INFO L130 PetriNetUnfolder]: For 48588/49069 co-relation queries the response was YES. [2021-04-29 04:07:58,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10690 conditions, 1909 events. 0/1909 cut-off events. For 48588/49069 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 27633 event pairs, 0 based on Foata normal form. 11/1844 useless extension candidates. Maximal degree in co-relation 0. Up to 226 conditions per place. [2021-04-29 04:07:58,198 INFO L146 LiptonReduction]: Number of co-enabled transitions 1428 [2021-04-29 04:07:58,222 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:58,222 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:58,223 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-04-29 04:07:58,223 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 300 transitions, 9014 flow [2021-04-29 04:07:58,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:58,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:58,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:58,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 04:07:58,224 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:58,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:58,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1503876914, now seen corresponding path program 26 times [2021-04-29 04:07:58,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:58,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045125022] [2021-04-29 04:07:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:58,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:58,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:58,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:58,262 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:58,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:58,288 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:07:58,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:07:58,323 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:58,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:58,351 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:07:58,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:58,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045125022] [2021-04-29 04:07:58,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:58,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:07:58,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443947794] [2021-04-29 04:07:58,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:07:58,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:58,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:07:58,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:07:58,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:07:58,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 300 transitions, 9014 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:07:58,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:58,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:07:58,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:59,376 INFO L129 PetriNetUnfolder]: 131/2176 cut-off events. [2021-04-29 04:07:59,377 INFO L130 PetriNetUnfolder]: For 61109/64471 co-relation queries the response was YES. [2021-04-29 04:07:59,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14039 conditions, 2176 events. 131/2176 cut-off events. For 61109/64471 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 30141 event pairs, 122 based on Foata normal form. 48/2130 useless extension candidates. Maximal degree in co-relation 13945. Up to 396 conditions per place. [2021-04-29 04:07:59,403 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 151 selfloop transitions, 177 changer transitions 2/342 dead transitions. [2021-04-29 04:07:59,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 342 transitions, 10998 flow [2021-04-29 04:07:59,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:07:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:07:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:07:59,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:07:59,405 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:07:59,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:07:59,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:59,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:07:59,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:59,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:59,407 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:59,407 INFO L185 Difference]: Start difference. First operand has 222 places, 300 transitions, 9014 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:07:59,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 342 transitions, 10998 flow [2021-04-29 04:07:59,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 342 transitions, 10806 flow, removed 74 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:59,783 INFO L241 Difference]: Finished difference. Result has 231 places, 314 transitions, 9824 flow [2021-04-29 04:07:59,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8839, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9824, PETRI_PLACES=231, PETRI_TRANSITIONS=314} [2021-04-29 04:07:59,784 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 187 predicate places. [2021-04-29 04:07:59,784 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:59,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 314 transitions, 9824 flow [2021-04-29 04:07:59,784 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 314 transitions, 9824 flow [2021-04-29 04:07:59,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 314 transitions, 9824 flow [2021-04-29 04:08:00,197 INFO L129 PetriNetUnfolder]: 0/1902 cut-off events. [2021-04-29 04:08:00,197 INFO L130 PetriNetUnfolder]: For 52316/52733 co-relation queries the response was YES. [2021-04-29 04:08:00,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10970 conditions, 1902 events. 0/1902 cut-off events. For 52316/52733 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 27539 event pairs, 0 based on Foata normal form. 10/1838 useless extension candidates. Maximal degree in co-relation 0. Up to 225 conditions per place. [2021-04-29 04:08:00,230 INFO L146 LiptonReduction]: Number of co-enabled transitions 1538 [2021-04-29 04:08:00,271 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:00,272 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:00,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 488 [2021-04-29 04:08:00,273 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 314 transitions, 9824 flow [2021-04-29 04:08:00,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:00,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:00,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:00,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-29 04:08:00,274 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:00,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:00,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1846378398, now seen corresponding path program 27 times [2021-04-29 04:08:00,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:00,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960290008] [2021-04-29 04:08:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:00,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:00,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:00,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:00,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:00,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:00,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:00,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:00,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:00,336 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:00,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:00,361 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:00,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:00,398 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:00,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:00,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960290008] [2021-04-29 04:08:00,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:00,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:00,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228800049] [2021-04-29 04:08:00,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:00,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:00,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:00,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:00,433 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:00,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 314 transitions, 9824 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:00,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:00,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:00,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:01,326 INFO L129 PetriNetUnfolder]: 122/2211 cut-off events. [2021-04-29 04:08:01,327 INFO L130 PetriNetUnfolder]: For 65346/68792 co-relation queries the response was YES. [2021-04-29 04:08:01,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14582 conditions, 2211 events. 122/2211 cut-off events. For 65346/68792 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 30860 event pairs, 122 based on Foata normal form. 51/2164 useless extension candidates. Maximal degree in co-relation 14485. Up to 394 conditions per place. [2021-04-29 04:08:01,346 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 153 selfloop transitions, 166 changer transitions 1/332 dead transitions. [2021-04-29 04:08:01,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 332 transitions, 10988 flow [2021-04-29 04:08:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:01,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:01,353 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:01,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:01,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:01,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:01,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:01,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:01,356 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:01,356 INFO L185 Difference]: Start difference. First operand has 230 places, 314 transitions, 9824 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:01,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 332 transitions, 10988 flow [2021-04-29 04:08:01,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 332 transitions, 10716 flow, removed 46 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:01,791 INFO L241 Difference]: Finished difference. Result has 237 places, 323 transitions, 10270 flow [2021-04-29 04:08:01,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9578, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10270, PETRI_PLACES=237, PETRI_TRANSITIONS=323} [2021-04-29 04:08:01,792 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 193 predicate places. [2021-04-29 04:08:01,792 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:01,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 323 transitions, 10270 flow [2021-04-29 04:08:01,792 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 323 transitions, 10270 flow [2021-04-29 04:08:01,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 323 transitions, 10270 flow [2021-04-29 04:08:02,207 INFO L129 PetriNetUnfolder]: 0/1966 cut-off events. [2021-04-29 04:08:02,208 INFO L130 PetriNetUnfolder]: For 57064/57519 co-relation queries the response was YES. [2021-04-29 04:08:02,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11637 conditions, 1966 events. 0/1966 cut-off events. For 57064/57519 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 28646 event pairs, 0 based on Foata normal form. 11/1895 useless extension candidates. Maximal degree in co-relation 0. Up to 234 conditions per place. [2021-04-29 04:08:02,226 INFO L146 LiptonReduction]: Number of co-enabled transitions 1588 [2021-04-29 04:08:02,253 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:02,253 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:02,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 461 [2021-04-29 04:08:02,254 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 323 transitions, 10270 flow [2021-04-29 04:08:02,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:02,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:02,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:02,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-29 04:08:02,254 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:02,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash 13233434, now seen corresponding path program 28 times [2021-04-29 04:08:02,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:02,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381412845] [2021-04-29 04:08:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:02,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:02,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:02,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:02,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:02,280 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:02,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:02,289 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:02,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:02,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:02,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:02,324 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:02,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:02,349 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:02,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:02,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381412845] [2021-04-29 04:08:02,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:02,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:02,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055613254] [2021-04-29 04:08:02,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:02,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:02,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:02,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:02,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:02,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 323 transitions, 10270 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:02,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:02,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:02,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:03,198 INFO L129 PetriNetUnfolder]: 122/2205 cut-off events. [2021-04-29 04:08:03,198 INFO L130 PetriNetUnfolder]: For 67304/70748 co-relation queries the response was YES. [2021-04-29 04:08:03,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14758 conditions, 2205 events. 122/2205 cut-off events. For 67304/70748 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 30776 event pairs, 122 based on Foata normal form. 51/2158 useless extension candidates. Maximal degree in co-relation 14659. Up to 396 conditions per place. [2021-04-29 04:08:03,218 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 157 selfloop transitions, 180 changer transitions 2/351 dead transitions. [2021-04-29 04:08:03,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 351 transitions, 11894 flow [2021-04-29 04:08:03,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:03,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:03,220 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:03,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:03,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:03,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:03,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:03,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:03,222 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:03,222 INFO L185 Difference]: Start difference. First operand has 236 places, 323 transitions, 10270 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:03,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 351 transitions, 11894 flow [2021-04-29 04:08:03,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 351 transitions, 11572 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:03,684 INFO L241 Difference]: Finished difference. Result has 242 places, 329 transitions, 10641 flow [2021-04-29 04:08:03,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9960, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10641, PETRI_PLACES=242, PETRI_TRANSITIONS=329} [2021-04-29 04:08:03,685 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 198 predicate places. [2021-04-29 04:08:03,685 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:03,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 242 places, 329 transitions, 10641 flow [2021-04-29 04:08:03,685 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 242 places, 329 transitions, 10641 flow [2021-04-29 04:08:03,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 329 transitions, 10641 flow [2021-04-29 04:08:04,120 INFO L129 PetriNetUnfolder]: 0/1959 cut-off events. [2021-04-29 04:08:04,121 INFO L130 PetriNetUnfolder]: For 57354/57716 co-relation queries the response was YES. [2021-04-29 04:08:04,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11694 conditions, 1959 events. 0/1959 cut-off events. For 57354/57716 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 28545 event pairs, 0 based on Foata normal form. 11/1898 useless extension candidates. Maximal degree in co-relation 0. Up to 233 conditions per place. [2021-04-29 04:08:04,145 INFO L146 LiptonReduction]: Number of co-enabled transitions 1622 [2021-04-29 04:08:04,173 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:04,173 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:04,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 488 [2021-04-29 04:08:04,174 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 329 transitions, 10641 flow [2021-04-29 04:08:04,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:04,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:04,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:04,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-29 04:08:04,175 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:04,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:04,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1306384212, now seen corresponding path program 29 times [2021-04-29 04:08:04,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:04,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723562793] [2021-04-29 04:08:04,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:04,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:04,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:04,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:04,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:04,203 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:04,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:04,214 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:04,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:04,229 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:04,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:04,255 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:04,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:04,288 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:04,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:04,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723562793] [2021-04-29 04:08:04,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:04,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:04,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560470400] [2021-04-29 04:08:04,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:04,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:04,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:04,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:04,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:04,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 329 transitions, 10641 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:04,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:04,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:04,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:05,196 INFO L129 PetriNetUnfolder]: 122/2198 cut-off events. [2021-04-29 04:08:05,196 INFO L130 PetriNetUnfolder]: For 68068/71482 co-relation queries the response was YES. [2021-04-29 04:08:05,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14812 conditions, 2198 events. 122/2198 cut-off events. For 68068/71482 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 30643 event pairs, 122 based on Foata normal form. 51/2157 useless extension candidates. Maximal degree in co-relation 14711. Up to 396 conditions per place. [2021-04-29 04:08:05,216 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 147 selfloop transitions, 188 changer transitions 2/349 dead transitions. [2021-04-29 04:08:05,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 349 transitions, 11951 flow [2021-04-29 04:08:05,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:05,218 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:05,218 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:05,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:05,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:05,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:05,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:05,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:05,221 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:05,221 INFO L185 Difference]: Start difference. First operand has 241 places, 329 transitions, 10641 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:05,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 349 transitions, 11951 flow [2021-04-29 04:08:05,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 349 transitions, 11635 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:05,696 INFO L241 Difference]: Finished difference. Result has 246 places, 343 transitions, 11346 flow [2021-04-29 04:08:05,696 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10333, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11346, PETRI_PLACES=246, PETRI_TRANSITIONS=343} [2021-04-29 04:08:05,697 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 202 predicate places. [2021-04-29 04:08:05,697 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:05,697 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 343 transitions, 11346 flow [2021-04-29 04:08:05,697 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 343 transitions, 11346 flow [2021-04-29 04:08:05,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 343 transitions, 11346 flow [2021-04-29 04:08:06,138 INFO L129 PetriNetUnfolder]: 0/1954 cut-off events. [2021-04-29 04:08:06,138 INFO L130 PetriNetUnfolder]: For 59123/59571 co-relation queries the response was YES. [2021-04-29 04:08:06,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11766 conditions, 1954 events. 0/1954 cut-off events. For 59123/59571 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 28492 event pairs, 0 based on Foata normal form. 11/1893 useless extension candidates. Maximal degree in co-relation 0. Up to 232 conditions per place. [2021-04-29 04:08:06,156 INFO L146 LiptonReduction]: Number of co-enabled transitions 1676 [2021-04-29 04:08:06,187 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:06,187 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:06,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-04-29 04:08:06,188 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 343 transitions, 11346 flow [2021-04-29 04:08:06,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:06,188 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:06,188 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:06,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-29 04:08:06,188 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:06,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:06,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1670519878, now seen corresponding path program 30 times [2021-04-29 04:08:06,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:06,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348298117] [2021-04-29 04:08:06,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:06,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:06,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:06,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:06,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:06,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:06,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:06,227 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:06,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:06,242 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:06,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:06,262 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:06,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:06,291 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:06,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:06,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348298117] [2021-04-29 04:08:06,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:06,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:06,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402658837] [2021-04-29 04:08:06,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:06,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:06,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:06,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:06,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:06,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 343 transitions, 11346 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:06,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:06,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:06,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:07,280 INFO L129 PetriNetUnfolder]: 122/2193 cut-off events. [2021-04-29 04:08:07,280 INFO L130 PetriNetUnfolder]: For 68999/72401 co-relation queries the response was YES. [2021-04-29 04:08:07,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14881 conditions, 2193 events. 122/2193 cut-off events. For 68999/72401 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 30549 event pairs, 122 based on Foata normal form. 51/2147 useless extension candidates. Maximal degree in co-relation 14779. Up to 396 conditions per place. [2021-04-29 04:08:07,300 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 147 selfloop transitions, 186 changer transitions 2/347 dead transitions. [2021-04-29 04:08:07,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 347 transitions, 12032 flow [2021-04-29 04:08:07,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:07,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:07,302 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:07,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:07,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:07,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:07,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:07,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:07,303 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:07,303 INFO L185 Difference]: Start difference. First operand has 245 places, 343 transitions, 11346 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:07,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 347 transitions, 12032 flow [2021-04-29 04:08:07,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 347 transitions, 11810 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:07,762 INFO L241 Difference]: Finished difference. Result has 249 places, 341 transitions, 11436 flow [2021-04-29 04:08:07,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11132, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11436, PETRI_PLACES=249, PETRI_TRANSITIONS=341} [2021-04-29 04:08:07,762 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 205 predicate places. [2021-04-29 04:08:07,762 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:07,762 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 341 transitions, 11436 flow [2021-04-29 04:08:07,763 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 341 transitions, 11436 flow [2021-04-29 04:08:07,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 341 transitions, 11436 flow [2021-04-29 04:08:08,122 INFO L129 PetriNetUnfolder]: 0/1946 cut-off events. [2021-04-29 04:08:08,122 INFO L130 PetriNetUnfolder]: For 58637/59042 co-relation queries the response was YES. [2021-04-29 04:08:08,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11911 conditions, 1946 events. 0/1946 cut-off events. For 58637/59042 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 28298 event pairs, 0 based on Foata normal form. 11/1883 useless extension candidates. Maximal degree in co-relation 0. Up to 231 conditions per place. [2021-04-29 04:08:08,141 INFO L146 LiptonReduction]: Number of co-enabled transitions 1660 [2021-04-29 04:08:08,170 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:08,170 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:08,170 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-04-29 04:08:08,171 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 341 transitions, 11436 flow [2021-04-29 04:08:08,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:08,171 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:08,171 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:08,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-29 04:08:08,171 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:08,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:08,172 INFO L82 PathProgramCache]: Analyzing trace with hash -580517878, now seen corresponding path program 31 times [2021-04-29 04:08:08,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:08,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526565208] [2021-04-29 04:08:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:08,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:08,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:08,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:08,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:08,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:08,205 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:08,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:08,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:08,235 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:08,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:08,260 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:08,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:08,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526565208] [2021-04-29 04:08:08,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:08,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:08,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923323720] [2021-04-29 04:08:08,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:08,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:08,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:08,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:08,287 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:08,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 341 transitions, 11436 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:08,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:08,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:08,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:09,118 INFO L129 PetriNetUnfolder]: 122/2185 cut-off events. [2021-04-29 04:08:09,118 INFO L130 PetriNetUnfolder]: For 69040/72442 co-relation queries the response was YES. [2021-04-29 04:08:09,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15022 conditions, 2185 events. 122/2185 cut-off events. For 69040/72442 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 30399 event pairs, 122 based on Foata normal form. 51/2140 useless extension candidates. Maximal degree in co-relation 14921. Up to 396 conditions per place. [2021-04-29 04:08:09,136 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 154 selfloop transitions, 178 changer transitions 1/345 dead transitions. [2021-04-29 04:08:09,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 345 transitions, 12118 flow [2021-04-29 04:08:09,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:09,137 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:09,137 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:09,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:09,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:09,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:09,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:09,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:09,140 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:09,140 INFO L185 Difference]: Start difference. First operand has 248 places, 341 transitions, 11436 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:09,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 345 transitions, 12118 flow [2021-04-29 04:08:09,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 345 transitions, 11820 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:09,744 INFO L241 Difference]: Finished difference. Result has 252 places, 340 transitions, 11454 flow [2021-04-29 04:08:09,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11146, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11454, PETRI_PLACES=252, PETRI_TRANSITIONS=340} [2021-04-29 04:08:09,744 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 208 predicate places. [2021-04-29 04:08:09,744 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:09,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 252 places, 340 transitions, 11454 flow [2021-04-29 04:08:09,745 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 252 places, 340 transitions, 11454 flow [2021-04-29 04:08:09,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 340 transitions, 11454 flow [2021-04-29 04:08:10,103 INFO L129 PetriNetUnfolder]: 0/1940 cut-off events. [2021-04-29 04:08:10,103 INFO L130 PetriNetUnfolder]: For 58936/59384 co-relation queries the response was YES. [2021-04-29 04:08:10,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11973 conditions, 1940 events. 0/1940 cut-off events. For 58936/59384 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 28186 event pairs, 0 based on Foata normal form. 11/1876 useless extension candidates. Maximal degree in co-relation 0. Up to 230 conditions per place. [2021-04-29 04:08:10,121 INFO L146 LiptonReduction]: Number of co-enabled transitions 1656 [2021-04-29 04:08:10,150 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:10,150 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:10,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 406 [2021-04-29 04:08:10,151 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 340 transitions, 11454 flow [2021-04-29 04:08:10,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:10,151 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:10,151 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:10,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-04-29 04:08:10,151 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:10,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:10,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1346299410, now seen corresponding path program 32 times [2021-04-29 04:08:10,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:10,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021015701] [2021-04-29 04:08:10,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:10,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:10,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:10,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:10,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:10,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:10,193 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:10,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:10,205 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:10,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:10,231 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:10,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:10,266 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:10,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:10,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021015701] [2021-04-29 04:08:10,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:10,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:10,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188852873] [2021-04-29 04:08:10,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:10,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:10,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:10,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:10,295 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:10,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 340 transitions, 11454 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:10,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:10,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:10,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:11,200 INFO L129 PetriNetUnfolder]: 122/2179 cut-off events. [2021-04-29 04:08:11,200 INFO L130 PetriNetUnfolder]: For 68948/72354 co-relation queries the response was YES. [2021-04-29 04:08:11,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15082 conditions, 2179 events. 122/2179 cut-off events. For 68948/72354 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 30299 event pairs, 122 based on Foata normal form. 53/2136 useless extension candidates. Maximal degree in co-relation 14981. Up to 396 conditions per place. [2021-04-29 04:08:11,218 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 151 selfloop transitions, 180 changer transitions 2/345 dead transitions. [2021-04-29 04:08:11,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 345 transitions, 12173 flow [2021-04-29 04:08:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:11,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:11,219 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:11,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:11,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:11,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:11,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:11,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:11,221 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:11,221 INFO L185 Difference]: Start difference. First operand has 251 places, 340 transitions, 11454 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:11,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 345 transitions, 12173 flow [2021-04-29 04:08:11,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 345 transitions, 11799 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:11,787 INFO L241 Difference]: Finished difference. Result has 254 places, 339 transitions, 11420 flow [2021-04-29 04:08:11,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11088, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11420, PETRI_PLACES=254, PETRI_TRANSITIONS=339} [2021-04-29 04:08:11,788 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 210 predicate places. [2021-04-29 04:08:11,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:11,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 339 transitions, 11420 flow [2021-04-29 04:08:11,789 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 339 transitions, 11420 flow [2021-04-29 04:08:11,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 339 transitions, 11420 flow [2021-04-29 04:08:12,317 INFO L129 PetriNetUnfolder]: 0/1933 cut-off events. [2021-04-29 04:08:12,317 INFO L130 PetriNetUnfolder]: For 58304/58691 co-relation queries the response was YES. [2021-04-29 04:08:12,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11938 conditions, 1933 events. 0/1933 cut-off events. For 58304/58691 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 28091 event pairs, 0 based on Foata normal form. 10/1875 useless extension candidates. Maximal degree in co-relation 0. Up to 229 conditions per place. [2021-04-29 04:08:12,335 INFO L146 LiptonReduction]: Number of co-enabled transitions 1646 [2021-04-29 04:08:12,364 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:12,365 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:12,365 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 577 [2021-04-29 04:08:12,366 INFO L480 AbstractCegarLoop]: Abstraction has has 253 places, 339 transitions, 11420 flow [2021-04-29 04:08:12,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:12,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:12,366 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:12,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-04-29 04:08:12,367 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:12,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:12,367 INFO L82 PathProgramCache]: Analyzing trace with hash 320718516, now seen corresponding path program 33 times [2021-04-29 04:08:12,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:12,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220134459] [2021-04-29 04:08:12,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:12,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:12,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:12,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:12,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:12,390 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:12,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:12,399 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:12,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:12,414 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:12,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:12,432 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:12,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:12,455 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:12,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:12,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220134459] [2021-04-29 04:08:12,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:12,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:12,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27171518] [2021-04-29 04:08:12,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:12,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:12,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:12,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:12,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:12,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 339 transitions, 11420 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:12,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:12,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:12,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:13,275 INFO L129 PetriNetUnfolder]: 122/2172 cut-off events. [2021-04-29 04:08:13,275 INFO L130 PetriNetUnfolder]: For 68540/71946 co-relation queries the response was YES. [2021-04-29 04:08:13,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15044 conditions, 2172 events. 122/2172 cut-off events. For 68540/71946 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 30187 event pairs, 122 based on Foata normal form. 53/2130 useless extension candidates. Maximal degree in co-relation 14943. Up to 379 conditions per place. [2021-04-29 04:08:13,293 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 153 selfloop transitions, 185 changer transitions 2/352 dead transitions. [2021-04-29 04:08:13,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 352 transitions, 12436 flow [2021-04-29 04:08:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:13,294 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:13,294 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:13,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:13,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:13,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:13,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:13,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:13,296 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:13,296 INFO L185 Difference]: Start difference. First operand has 253 places, 339 transitions, 11420 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:13,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 352 transitions, 12436 flow [2021-04-29 04:08:13,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 352 transitions, 11970 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:13,755 INFO L241 Difference]: Finished difference. Result has 256 places, 344 transitions, 11558 flow [2021-04-29 04:08:13,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10962, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11558, PETRI_PLACES=256, PETRI_TRANSITIONS=344} [2021-04-29 04:08:13,756 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 212 predicate places. [2021-04-29 04:08:13,756 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:13,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 344 transitions, 11558 flow [2021-04-29 04:08:13,756 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 344 transitions, 11558 flow [2021-04-29 04:08:13,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 255 places, 344 transitions, 11558 flow [2021-04-29 04:08:14,110 INFO L129 PetriNetUnfolder]: 0/1926 cut-off events. [2021-04-29 04:08:14,110 INFO L130 PetriNetUnfolder]: For 58392/58840 co-relation queries the response was YES. [2021-04-29 04:08:14,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11845 conditions, 1926 events. 0/1926 cut-off events. For 58392/58840 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 27990 event pairs, 0 based on Foata normal form. 11/1859 useless extension candidates. Maximal degree in co-relation 0. Up to 228 conditions per place. [2021-04-29 04:08:14,128 INFO L146 LiptonReduction]: Number of co-enabled transitions 1688 [2021-04-29 04:08:14,160 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:14,160 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:14,160 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-04-29 04:08:14,160 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 344 transitions, 11558 flow [2021-04-29 04:08:14,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:14,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:14,161 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:14,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-04-29 04:08:14,161 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:14,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:14,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1386329636, now seen corresponding path program 34 times [2021-04-29 04:08:14,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:14,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671773321] [2021-04-29 04:08:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:14,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:14,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:14,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:14,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:14,184 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:14,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:14,193 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:14,206 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:14,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:14,236 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:14,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:14,263 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:14,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:14,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671773321] [2021-04-29 04:08:14,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:14,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:14,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377220205] [2021-04-29 04:08:14,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:14,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:14,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:14,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:14,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:14,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 344 transitions, 11558 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:14,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:14,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:14,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:15,071 INFO L129 PetriNetUnfolder]: 122/2165 cut-off events. [2021-04-29 04:08:15,071 INFO L130 PetriNetUnfolder]: For 68902/72304 co-relation queries the response was YES. [2021-04-29 04:08:15,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14948 conditions, 2165 events. 122/2165 cut-off events. For 68902/72304 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 30067 event pairs, 122 based on Foata normal form. 51/2127 useless extension candidates. Maximal degree in co-relation 14846. Up to 379 conditions per place. [2021-04-29 04:08:15,089 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 150 selfloop transitions, 183 changer transitions 3/348 dead transitions. [2021-04-29 04:08:15,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 348 transitions, 12246 flow [2021-04-29 04:08:15,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:15,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:15,091 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:15,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:15,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:15,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:15,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:15,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:15,092 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:15,092 INFO L185 Difference]: Start difference. First operand has 255 places, 344 transitions, 11558 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:15,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 348 transitions, 12246 flow [2021-04-29 04:08:15,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 348 transitions, 11944 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:15,556 INFO L241 Difference]: Finished difference. Result has 259 places, 341 transitions, 11508 flow [2021-04-29 04:08:15,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11264, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11508, PETRI_PLACES=259, PETRI_TRANSITIONS=341} [2021-04-29 04:08:15,556 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 215 predicate places. [2021-04-29 04:08:15,556 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:15,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 259 places, 341 transitions, 11508 flow [2021-04-29 04:08:15,557 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 259 places, 341 transitions, 11508 flow [2021-04-29 04:08:15,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 341 transitions, 11508 flow [2021-04-29 04:08:16,011 INFO L129 PetriNetUnfolder]: 0/1918 cut-off events. [2021-04-29 04:08:16,011 INFO L130 PetriNetUnfolder]: For 58368/58752 co-relation queries the response was YES. [2021-04-29 04:08:16,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11873 conditions, 1918 events. 0/1918 cut-off events. For 58368/58752 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 27825 event pairs, 0 based on Foata normal form. 10/1861 useless extension candidates. Maximal degree in co-relation 0. Up to 227 conditions per place. [2021-04-29 04:08:16,029 INFO L146 LiptonReduction]: Number of co-enabled transitions 1666 [2021-04-29 04:08:16,057 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:16,058 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:16,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 502 [2021-04-29 04:08:16,058 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 341 transitions, 11508 flow [2021-04-29 04:08:16,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:16,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:16,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:16,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-04-29 04:08:16,059 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:16,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:16,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1913388978, now seen corresponding path program 35 times [2021-04-29 04:08:16,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:16,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727430912] [2021-04-29 04:08:16,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:16,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:16,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:16,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:16,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:16,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:16,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:16,095 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:16,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:16,108 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:16,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:16,127 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:16,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:16,156 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:16,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:16,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727430912] [2021-04-29 04:08:16,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:16,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:16,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066657967] [2021-04-29 04:08:16,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:16,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:16,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:16,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:16,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:16,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 341 transitions, 11508 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:16,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:16,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:16,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:17,019 INFO L129 PetriNetUnfolder]: 122/2157 cut-off events. [2021-04-29 04:08:17,019 INFO L130 PetriNetUnfolder]: For 68359/71753 co-relation queries the response was YES. [2021-04-29 04:08:17,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14972 conditions, 2157 events. 122/2157 cut-off events. For 68359/71753 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 29887 event pairs, 122 based on Foata normal form. 51/2120 useless extension candidates. Maximal degree in co-relation 14870. Up to 379 conditions per place. [2021-04-29 04:08:17,037 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 151 selfloop transitions, 181 changer transitions 3/347 dead transitions. [2021-04-29 04:08:17,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 347 transitions, 12282 flow [2021-04-29 04:08:17,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:17,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:17,039 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:17,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:17,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:17,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:17,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:17,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:17,040 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:17,040 INFO L185 Difference]: Start difference. First operand has 258 places, 341 transitions, 11508 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:17,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 347 transitions, 12282 flow [2021-04-29 04:08:17,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 347 transitions, 11912 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:17,496 INFO L241 Difference]: Finished difference. Result has 261 places, 340 transitions, 11492 flow [2021-04-29 04:08:17,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11146, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11492, PETRI_PLACES=261, PETRI_TRANSITIONS=340} [2021-04-29 04:08:17,496 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 217 predicate places. [2021-04-29 04:08:17,496 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:17,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 340 transitions, 11492 flow [2021-04-29 04:08:17,497 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 340 transitions, 11492 flow [2021-04-29 04:08:17,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 260 places, 340 transitions, 11492 flow [2021-04-29 04:08:17,860 INFO L129 PetriNetUnfolder]: 0/1910 cut-off events. [2021-04-29 04:08:17,860 INFO L130 PetriNetUnfolder]: For 58091/58531 co-relation queries the response was YES. [2021-04-29 04:08:17,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11821 conditions, 1910 events. 0/1910 cut-off events. For 58091/58531 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 27703 event pairs, 0 based on Foata normal form. 11/1845 useless extension candidates. Maximal degree in co-relation 0. Up to 226 conditions per place. [2021-04-29 04:08:17,879 INFO L146 LiptonReduction]: Number of co-enabled transitions 1660 [2021-04-29 04:08:17,908 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:17,908 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:17,908 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-04-29 04:08:17,909 INFO L480 AbstractCegarLoop]: Abstraction has has 260 places, 340 transitions, 11492 flow [2021-04-29 04:08:17,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:17,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:17,909 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:17,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-04-29 04:08:17,909 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash 491377582, now seen corresponding path program 36 times [2021-04-29 04:08:17,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:17,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668469286] [2021-04-29 04:08:17,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:17,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:17,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:17,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:17,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:17,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:17,958 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:17,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:17,977 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:18,004 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:18,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668469286] [2021-04-29 04:08:18,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:18,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:18,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814342700] [2021-04-29 04:08:18,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:18,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:18,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:18,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:18,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:18,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 340 transitions, 11492 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:18,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:18,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:18,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:18,854 INFO L129 PetriNetUnfolder]: 122/2149 cut-off events. [2021-04-29 04:08:18,854 INFO L130 PetriNetUnfolder]: For 68031/71397 co-relation queries the response was YES. [2021-04-29 04:08:18,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14916 conditions, 2149 events. 122/2149 cut-off events. For 68031/71397 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 29764 event pairs, 122 based on Foata normal form. 53/2114 useless extension candidates. Maximal degree in co-relation 14814. Up to 379 conditions per place. [2021-04-29 04:08:18,872 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 153 selfloop transitions, 176 changer transitions 3/344 dead transitions. [2021-04-29 04:08:18,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 344 transitions, 12172 flow [2021-04-29 04:08:18,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:18,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:18,873 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:18,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:18,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:18,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:18,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:18,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:18,875 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:18,875 INFO L185 Difference]: Start difference. First operand has 260 places, 340 transitions, 11492 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:18,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 344 transitions, 12172 flow [2021-04-29 04:08:19,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 344 transitions, 11817 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:19,321 INFO L241 Difference]: Finished difference. Result has 263 places, 337 transitions, 11377 flow [2021-04-29 04:08:19,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11145, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11377, PETRI_PLACES=263, PETRI_TRANSITIONS=337} [2021-04-29 04:08:19,322 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 219 predicate places. [2021-04-29 04:08:19,322 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:19,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 337 transitions, 11377 flow [2021-04-29 04:08:19,322 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 337 transitions, 11377 flow [2021-04-29 04:08:19,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 337 transitions, 11377 flow [2021-04-29 04:08:19,675 INFO L129 PetriNetUnfolder]: 0/1902 cut-off events. [2021-04-29 04:08:19,675 INFO L130 PetriNetUnfolder]: For 57533/57915 co-relation queries the response was YES. [2021-04-29 04:08:19,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11765 conditions, 1902 events. 0/1902 cut-off events. For 57533/57915 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 27532 event pairs, 0 based on Foata normal form. 10/1840 useless extension candidates. Maximal degree in co-relation 0. Up to 225 conditions per place. [2021-04-29 04:08:19,694 INFO L146 LiptonReduction]: Number of co-enabled transitions 1636 [2021-04-29 04:08:19,723 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:19,723 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:19,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-04-29 04:08:19,723 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 337 transitions, 11377 flow [2021-04-29 04:08:19,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:19,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:19,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:19,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-04-29 04:08:19,724 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:19,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:19,724 INFO L82 PathProgramCache]: Analyzing trace with hash -854709530, now seen corresponding path program 37 times [2021-04-29 04:08:19,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:19,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527652860] [2021-04-29 04:08:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:19,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:19,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:19,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:19,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:19,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:19,755 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:19,768 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:19,786 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:19,811 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:19,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:19,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527652860] [2021-04-29 04:08:19,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:19,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:19,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385697345] [2021-04-29 04:08:19,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:19,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:19,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:19,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:19,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:19,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 337 transitions, 11377 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:19,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:19,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:19,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:20,632 INFO L129 PetriNetUnfolder]: 122/2141 cut-off events. [2021-04-29 04:08:20,632 INFO L130 PetriNetUnfolder]: For 67610/70976 co-relation queries the response was YES. [2021-04-29 04:08:20,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14856 conditions, 2141 events. 122/2141 cut-off events. For 67610/70976 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 29632 event pairs, 122 based on Foata normal form. 53/2106 useless extension candidates. Maximal degree in co-relation 14754. Up to 387 conditions per place. [2021-04-29 04:08:20,650 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 158 selfloop transitions, 169 changer transitions 2/341 dead transitions. [2021-04-29 04:08:20,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 341 transitions, 12051 flow [2021-04-29 04:08:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:20,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:20,651 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:20,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:20,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:20,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:20,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:20,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:20,653 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:20,653 INFO L185 Difference]: Start difference. First operand has 261 places, 337 transitions, 11377 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:20,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 341 transitions, 12051 flow [2021-04-29 04:08:21,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 341 transitions, 11679 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:21,220 INFO L241 Difference]: Finished difference. Result has 263 places, 335 transitions, 11264 flow [2021-04-29 04:08:21,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11013, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11264, PETRI_PLACES=263, PETRI_TRANSITIONS=335} [2021-04-29 04:08:21,221 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 219 predicate places. [2021-04-29 04:08:21,221 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:21,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 335 transitions, 11264 flow [2021-04-29 04:08:21,222 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 335 transitions, 11264 flow [2021-04-29 04:08:21,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 262 places, 335 transitions, 11264 flow [2021-04-29 04:08:21,654 INFO L129 PetriNetUnfolder]: 0/1895 cut-off events. [2021-04-29 04:08:21,654 INFO L130 PetriNetUnfolder]: For 57010/57422 co-relation queries the response was YES. [2021-04-29 04:08:21,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11713 conditions, 1895 events. 0/1895 cut-off events. For 57010/57422 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 27418 event pairs, 0 based on Foata normal form. 11/1834 useless extension candidates. Maximal degree in co-relation 0. Up to 224 conditions per place. [2021-04-29 04:08:21,681 INFO L146 LiptonReduction]: Number of co-enabled transitions 1624 [2021-04-29 04:08:21,719 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:21,719 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:21,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-04-29 04:08:21,720 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 335 transitions, 11264 flow [2021-04-29 04:08:21,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:21,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:21,720 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:21,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-04-29 04:08:21,721 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:21,721 INFO L82 PathProgramCache]: Analyzing trace with hash 86684156, now seen corresponding path program 38 times [2021-04-29 04:08:21,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:21,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236571453] [2021-04-29 04:08:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:21,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:21,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:21,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:21,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:21,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:21,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:21,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:21,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:21,772 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:21,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:21,791 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:21,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:21,817 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:21,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:21,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236571453] [2021-04-29 04:08:21,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:21,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:21,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888847951] [2021-04-29 04:08:21,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:21,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:21,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:21,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:21,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:21,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 335 transitions, 11264 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:21,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:21,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:21,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:22,628 INFO L129 PetriNetUnfolder]: 122/2134 cut-off events. [2021-04-29 04:08:22,628 INFO L130 PetriNetUnfolder]: For 67084/70476 co-relation queries the response was YES. [2021-04-29 04:08:22,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14794 conditions, 2134 events. 122/2134 cut-off events. For 67084/70476 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 29445 event pairs, 122 based on Foata normal form. 51/2092 useless extension candidates. Maximal degree in co-relation 14693. Up to 387 conditions per place. [2021-04-29 04:08:22,645 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 156 selfloop transitions, 169 changer transitions 2/339 dead transitions. [2021-04-29 04:08:22,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 339 transitions, 11934 flow [2021-04-29 04:08:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:22,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:22,647 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:22,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:22,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:22,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:22,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:22,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:22,649 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:22,649 INFO L185 Difference]: Start difference. First operand has 262 places, 335 transitions, 11264 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:22,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 339 transitions, 11934 flow [2021-04-29 04:08:23,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 339 transitions, 11522 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-04-29 04:08:23,085 INFO L241 Difference]: Finished difference. Result has 262 places, 333 transitions, 11102 flow [2021-04-29 04:08:23,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10860, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11102, PETRI_PLACES=262, PETRI_TRANSITIONS=333} [2021-04-29 04:08:23,086 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 218 predicate places. [2021-04-29 04:08:23,086 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:23,086 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 333 transitions, 11102 flow [2021-04-29 04:08:23,087 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 333 transitions, 11102 flow [2021-04-29 04:08:23,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 333 transitions, 11102 flow [2021-04-29 04:08:23,466 INFO L129 PetriNetUnfolder]: 0/1887 cut-off events. [2021-04-29 04:08:23,466 INFO L130 PetriNetUnfolder]: For 55442/55826 co-relation queries the response was YES. [2021-04-29 04:08:23,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11565 conditions, 1887 events. 0/1887 cut-off events. For 55442/55826 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 27276 event pairs, 0 based on Foata normal form. 10/1819 useless extension candidates. Maximal degree in co-relation 0. Up to 223 conditions per place. [2021-04-29 04:08:23,483 INFO L146 LiptonReduction]: Number of co-enabled transitions 1614 [2021-04-29 04:08:23,513 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:23,514 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:23,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 428 [2021-04-29 04:08:23,515 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 333 transitions, 11102 flow [2021-04-29 04:08:23,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:23,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:23,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:23,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-04-29 04:08:23,515 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:23,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:23,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1465196486, now seen corresponding path program 39 times [2021-04-29 04:08:23,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:23,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728677544] [2021-04-29 04:08:23,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:23,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:23,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:23,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:23,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:08:23,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:08:23,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:23,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:23,563 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:23,584 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:23,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:23,610 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:23,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728677544] [2021-04-29 04:08:23,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:23,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:23,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655414436] [2021-04-29 04:08:23,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:23,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:23,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:23,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:23,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:23,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 333 transitions, 11102 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:23,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:23,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:23,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:24,391 INFO L129 PetriNetUnfolder]: 122/2126 cut-off events. [2021-04-29 04:08:24,391 INFO L130 PetriNetUnfolder]: For 65892/69260 co-relation queries the response was YES. [2021-04-29 04:08:24,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14638 conditions, 2126 events. 122/2126 cut-off events. For 65892/69260 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 29368 event pairs, 122 based on Foata normal form. 51/2085 useless extension candidates. Maximal degree in co-relation 14539. Up to 387 conditions per place. [2021-04-29 04:08:24,408 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 154 selfloop transitions, 169 changer transitions 2/337 dead transitions. [2021-04-29 04:08:24,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 337 transitions, 11768 flow [2021-04-29 04:08:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:24,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:24,409 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:24,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:24,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:24,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:24,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:24,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:24,411 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:24,411 INFO L185 Difference]: Start difference. First operand has 261 places, 333 transitions, 11102 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:24,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 337 transitions, 11768 flow [2021-04-29 04:08:24,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 337 transitions, 11466 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:24,826 INFO L241 Difference]: Finished difference. Result has 264 places, 331 transitions, 11048 flow [2021-04-29 04:08:24,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10808, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11048, PETRI_PLACES=264, PETRI_TRANSITIONS=331} [2021-04-29 04:08:24,827 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 220 predicate places. [2021-04-29 04:08:24,827 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:24,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 331 transitions, 11048 flow [2021-04-29 04:08:24,827 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 331 transitions, 11048 flow [2021-04-29 04:08:24,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 331 transitions, 11048 flow [2021-04-29 04:08:25,165 INFO L129 PetriNetUnfolder]: 0/1880 cut-off events. [2021-04-29 04:08:25,166 INFO L130 PetriNetUnfolder]: For 55593/56036 co-relation queries the response was YES. [2021-04-29 04:08:25,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11590 conditions, 1880 events. 0/1880 cut-off events. For 55593/56036 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 27099 event pairs, 0 based on Foata normal form. 11/1812 useless extension candidates. Maximal degree in co-relation 0. Up to 222 conditions per place. [2021-04-29 04:08:25,182 INFO L146 LiptonReduction]: Number of co-enabled transitions 1604 [2021-04-29 04:08:25,210 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:25,210 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:25,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 383 [2021-04-29 04:08:25,211 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 331 transitions, 11048 flow [2021-04-29 04:08:25,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:25,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:25,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:25,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-04-29 04:08:25,211 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:25,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:25,211 INFO L82 PathProgramCache]: Analyzing trace with hash -197560816, now seen corresponding path program 40 times [2021-04-29 04:08:25,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:25,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824392378] [2021-04-29 04:08:25,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:25,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:25,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:25,243 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:25,266 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:25,285 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:25,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:25,310 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:25,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:25,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824392378] [2021-04-29 04:08:25,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:25,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:25,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136526750] [2021-04-29 04:08:25,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:25,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:25,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:25,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:25,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:25,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 331 transitions, 11048 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:25,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:25,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:25,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:26,108 INFO L129 PetriNetUnfolder]: 122/2119 cut-off events. [2021-04-29 04:08:26,108 INFO L130 PetriNetUnfolder]: For 65497/68877 co-relation queries the response was YES. [2021-04-29 04:08:26,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14660 conditions, 2119 events. 122/2119 cut-off events. For 65497/68877 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 29236 event pairs, 96 based on Foata normal form. 63/2091 useless extension candidates. Maximal degree in co-relation 14562. Up to 445 conditions per place. [2021-04-29 04:08:26,126 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 174 selfloop transitions, 159 changer transitions 2/347 dead transitions. [2021-04-29 04:08:26,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 347 transitions, 12060 flow [2021-04-29 04:08:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:26,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:26,127 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:26,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:26,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:26,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:26,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:26,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:26,129 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:26,129 INFO L185 Difference]: Start difference. First operand has 263 places, 331 transitions, 11048 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:26,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 347 transitions, 12060 flow [2021-04-29 04:08:26,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 347 transitions, 11708 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:26,584 INFO L241 Difference]: Finished difference. Result has 266 places, 337 transitions, 11247 flow [2021-04-29 04:08:26,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10704, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11247, PETRI_PLACES=266, PETRI_TRANSITIONS=337} [2021-04-29 04:08:26,584 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 222 predicate places. [2021-04-29 04:08:26,584 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:26,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 337 transitions, 11247 flow [2021-04-29 04:08:26,585 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 337 transitions, 11247 flow [2021-04-29 04:08:26,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 337 transitions, 11247 flow [2021-04-29 04:08:26,920 INFO L129 PetriNetUnfolder]: 0/1874 cut-off events. [2021-04-29 04:08:26,920 INFO L130 PetriNetUnfolder]: For 55292/55666 co-relation queries the response was YES. [2021-04-29 04:08:26,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11567 conditions, 1874 events. 0/1874 cut-off events. For 55292/55666 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 27090 event pairs, 0 based on Foata normal form. 10/1810 useless extension candidates. Maximal degree in co-relation 0. Up to 221 conditions per place. [2021-04-29 04:08:26,937 INFO L146 LiptonReduction]: Number of co-enabled transitions 1660 [2021-04-29 04:08:26,965 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:26,966 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:26,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-04-29 04:08:26,966 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 337 transitions, 11247 flow [2021-04-29 04:08:26,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:26,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:26,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:26,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-04-29 04:08:26,967 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:26,968 INFO L82 PathProgramCache]: Analyzing trace with hash 454033196, now seen corresponding path program 41 times [2021-04-29 04:08:26,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:26,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602462283] [2021-04-29 04:08:26,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:26,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:26,997 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:27,012 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:27,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:27,033 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:27,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:27,058 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:27,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:27,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:27,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602462283] [2021-04-29 04:08:27,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:27,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:27,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067923929] [2021-04-29 04:08:27,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:27,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:27,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:27,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:27,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:27,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 337 transitions, 11247 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:27,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:27,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:27,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:27,849 INFO L129 PetriNetUnfolder]: 122/2113 cut-off events. [2021-04-29 04:08:27,849 INFO L130 PetriNetUnfolder]: For 65809/69175 co-relation queries the response was YES. [2021-04-29 04:08:27,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14652 conditions, 2113 events. 122/2113 cut-off events. For 65809/69175 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 29075 event pairs, 96 based on Foata normal form. 63/2091 useless extension candidates. Maximal degree in co-relation 14554. Up to 445 conditions per place. [2021-04-29 04:08:27,866 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 173 selfloop transitions, 158 changer transitions 2/345 dead transitions. [2021-04-29 04:08:27,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 345 transitions, 12013 flow [2021-04-29 04:08:27,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:27,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:27,868 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:27,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:27,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:27,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:27,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:27,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:27,870 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:27,870 INFO L185 Difference]: Start difference. First operand has 265 places, 337 transitions, 11247 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:27,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 345 transitions, 12013 flow [2021-04-29 04:08:28,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 345 transitions, 11733 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:28,292 INFO L241 Difference]: Finished difference. Result has 269 places, 335 transitions, 11205 flow [2021-04-29 04:08:28,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10975, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11205, PETRI_PLACES=269, PETRI_TRANSITIONS=335} [2021-04-29 04:08:28,293 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 225 predicate places. [2021-04-29 04:08:28,293 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:28,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 335 transitions, 11205 flow [2021-04-29 04:08:28,293 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 335 transitions, 11205 flow [2021-04-29 04:08:28,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 335 transitions, 11205 flow [2021-04-29 04:08:28,636 INFO L129 PetriNetUnfolder]: 0/1868 cut-off events. [2021-04-29 04:08:28,636 INFO L130 PetriNetUnfolder]: For 54936/55362 co-relation queries the response was YES. [2021-04-29 04:08:28,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11569 conditions, 1868 events. 0/1868 cut-off events. For 54936/55362 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 26915 event pairs, 0 based on Foata normal form. 10/1804 useless extension candidates. Maximal degree in co-relation 0. Up to 220 conditions per place. [2021-04-29 04:08:28,653 INFO L146 LiptonReduction]: Number of co-enabled transitions 1642 [2021-04-29 04:08:28,681 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:28,681 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:28,681 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 388 [2021-04-29 04:08:28,682 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 335 transitions, 11205 flow [2021-04-29 04:08:28,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:28,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:28,682 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:28,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-04-29 04:08:28,682 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:28,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:28,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1359761698, now seen corresponding path program 42 times [2021-04-29 04:08:28,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:28,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459211771] [2021-04-29 04:08:28,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:28,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:28,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:28,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:28,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:28,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:28,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:28,712 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:28,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:28,730 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:28,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:28,752 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:28,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:28,784 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:28,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:28,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459211771] [2021-04-29 04:08:28,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:28,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:28,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454280659] [2021-04-29 04:08:28,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:28,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:28,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:28,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:28,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:28,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 335 transitions, 11205 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:28,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:28,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:28,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:29,597 INFO L129 PetriNetUnfolder]: 122/2107 cut-off events. [2021-04-29 04:08:29,597 INFO L130 PetriNetUnfolder]: For 65358/68724 co-relation queries the response was YES. [2021-04-29 04:08:29,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14651 conditions, 2107 events. 122/2107 cut-off events. For 65358/68724 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 28971 event pairs, 96 based on Foata normal form. 63/2086 useless extension candidates. Maximal degree in co-relation 14553. Up to 445 conditions per place. [2021-04-29 04:08:29,614 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 183 selfloop transitions, 147 changer transitions 1/343 dead transitions. [2021-04-29 04:08:29,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 343 transitions, 11967 flow [2021-04-29 04:08:29,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:29,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:29,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:29,616 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:29,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:29,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:29,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:29,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:29,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:29,618 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:29,618 INFO L185 Difference]: Start difference. First operand has 268 places, 335 transitions, 11205 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:29,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 343 transitions, 11967 flow [2021-04-29 04:08:30,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 343 transitions, 11755 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:30,026 INFO L241 Difference]: Finished difference. Result has 271 places, 334 transitions, 11262 flow [2021-04-29 04:08:30,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11001, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11262, PETRI_PLACES=271, PETRI_TRANSITIONS=334} [2021-04-29 04:08:30,027 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 227 predicate places. [2021-04-29 04:08:30,027 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:30,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 271 places, 334 transitions, 11262 flow [2021-04-29 04:08:30,027 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 271 places, 334 transitions, 11262 flow [2021-04-29 04:08:30,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 270 places, 334 transitions, 11262 flow [2021-04-29 04:08:30,365 INFO L129 PetriNetUnfolder]: 0/1864 cut-off events. [2021-04-29 04:08:30,365 INFO L130 PetriNetUnfolder]: For 56064/56517 co-relation queries the response was YES. [2021-04-29 04:08:30,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11613 conditions, 1864 events. 0/1864 cut-off events. For 56064/56517 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 26822 event pairs, 0 based on Foata normal form. 10/1801 useless extension candidates. Maximal degree in co-relation 0. Up to 219 conditions per place. [2021-04-29 04:08:30,383 INFO L146 LiptonReduction]: Number of co-enabled transitions 1634 [2021-04-29 04:08:30,412 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:30,412 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:30,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 385 [2021-04-29 04:08:30,412 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 334 transitions, 11262 flow [2021-04-29 04:08:30,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:30,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:30,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:30,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-04-29 04:08:30,413 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:30,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash 81526592, now seen corresponding path program 43 times [2021-04-29 04:08:30,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:30,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712873163] [2021-04-29 04:08:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:30,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:30,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:30,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:30,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:30,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:30,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:30,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:30,462 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:30,493 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:30,519 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:30,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:30,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712873163] [2021-04-29 04:08:30,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:30,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:30,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378423170] [2021-04-29 04:08:30,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:30,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:30,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:30,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:30,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:30,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 334 transitions, 11262 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:30,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:30,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:30,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:31,347 INFO L129 PetriNetUnfolder]: 106/2282 cut-off events. [2021-04-29 04:08:31,348 INFO L130 PetriNetUnfolder]: For 71271/74633 co-relation queries the response was YES. [2021-04-29 04:08:31,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15624 conditions, 2282 events. 106/2282 cut-off events. For 71271/74633 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 32245 event pairs, 68 based on Foata normal form. 30/2219 useless extension candidates. Maximal degree in co-relation 15527. Up to 424 conditions per place. [2021-04-29 04:08:31,365 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 251 selfloop transitions, 156 changer transitions 2/421 dead transitions. [2021-04-29 04:08:31,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 421 transitions, 14846 flow [2021-04-29 04:08:31,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:31,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:31,367 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:31,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:31,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:31,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:31,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:31,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:31,369 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:31,369 INFO L185 Difference]: Start difference. First operand has 270 places, 334 transitions, 11262 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:31,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 421 transitions, 14846 flow [2021-04-29 04:08:31,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 421 transitions, 14500 flow, removed 33 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:31,810 INFO L241 Difference]: Finished difference. Result has 278 places, 358 transitions, 12265 flow [2021-04-29 04:08:31,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10994, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12265, PETRI_PLACES=278, PETRI_TRANSITIONS=358} [2021-04-29 04:08:31,810 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 234 predicate places. [2021-04-29 04:08:31,810 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:31,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 358 transitions, 12265 flow [2021-04-29 04:08:31,811 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 358 transitions, 12265 flow [2021-04-29 04:08:31,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 277 places, 358 transitions, 12265 flow [2021-04-29 04:08:32,191 INFO L129 PetriNetUnfolder]: 0/2075 cut-off events. [2021-04-29 04:08:32,191 INFO L130 PetriNetUnfolder]: For 63955/64302 co-relation queries the response was YES. [2021-04-29 04:08:32,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12992 conditions, 2075 events. 0/2075 cut-off events. For 63955/64302 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 30518 event pairs, 0 based on Foata normal form. 13/2020 useless extension candidates. Maximal degree in co-relation 0. Up to 244 conditions per place. [2021-04-29 04:08:32,211 INFO L146 LiptonReduction]: Number of co-enabled transitions 1716 [2021-04-29 04:08:32,255 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:32,255 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:32,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-04-29 04:08:32,256 INFO L480 AbstractCegarLoop]: Abstraction has has 277 places, 358 transitions, 12265 flow [2021-04-29 04:08:32,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:32,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:32,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:32,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-04-29 04:08:32,256 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:32,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:32,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1306942252, now seen corresponding path program 44 times [2021-04-29 04:08:32,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:32,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742585614] [2021-04-29 04:08:32,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:32,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:32,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:32,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:32,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:32,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:32,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:32,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:32,304 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:08:32,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:08:32,332 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:32,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:32,357 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:32,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:32,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742585614] [2021-04-29 04:08:32,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:32,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:32,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52792850] [2021-04-29 04:08:32,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:32,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:32,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:32,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:32,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:32,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 358 transitions, 12265 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:32,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:32,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:32,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:33,277 INFO L129 PetriNetUnfolder]: 98/2320 cut-off events. [2021-04-29 04:08:33,278 INFO L130 PetriNetUnfolder]: For 74553/77933 co-relation queries the response was YES. [2021-04-29 04:08:33,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16007 conditions, 2320 events. 98/2320 cut-off events. For 74553/77933 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 33045 event pairs, 91 based on Foata normal form. 48/2277 useless extension candidates. Maximal degree in co-relation 15906. Up to 445 conditions per place. [2021-04-29 04:08:33,296 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 230 selfloop transitions, 153 changer transitions 3/398 dead transitions. [2021-04-29 04:08:33,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 398 transitions, 14204 flow [2021-04-29 04:08:33,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:33,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:33,298 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:33,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:33,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:33,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:33,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:33,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:33,300 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:33,300 INFO L185 Difference]: Start difference. First operand has 277 places, 358 transitions, 12265 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:33,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 398 transitions, 14204 flow [2021-04-29 04:08:33,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 398 transitions, 14013 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:33,830 INFO L241 Difference]: Finished difference. Result has 285 places, 368 transitions, 12862 flow [2021-04-29 04:08:33,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12096, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12862, PETRI_PLACES=285, PETRI_TRANSITIONS=368} [2021-04-29 04:08:33,831 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 241 predicate places. [2021-04-29 04:08:33,831 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:33,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 368 transitions, 12862 flow [2021-04-29 04:08:33,831 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 368 transitions, 12862 flow [2021-04-29 04:08:33,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 368 transitions, 12862 flow [2021-04-29 04:08:34,229 INFO L129 PetriNetUnfolder]: 0/2136 cut-off events. [2021-04-29 04:08:34,230 INFO L130 PetriNetUnfolder]: For 69765/70187 co-relation queries the response was YES. [2021-04-29 04:08:34,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13691 conditions, 2136 events. 0/2136 cut-off events. For 69765/70187 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 31525 event pairs, 0 based on Foata normal form. 7/2065 useless extension candidates. Maximal degree in co-relation 0. Up to 252 conditions per place. [2021-04-29 04:08:34,251 INFO L146 LiptonReduction]: Number of co-enabled transitions 1776 [2021-04-29 04:08:34,284 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:34,285 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:34,285 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 454 [2021-04-29 04:08:34,285 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 368 transitions, 12862 flow [2021-04-29 04:08:34,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:34,285 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:34,285 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:34,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-04-29 04:08:34,285 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:34,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:34,286 INFO L82 PathProgramCache]: Analyzing trace with hash -63561370, now seen corresponding path program 45 times [2021-04-29 04:08:34,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:34,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111992891] [2021-04-29 04:08:34,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:34,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:34,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:34,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:34,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:34,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:34,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:34,327 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:34,366 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:34,398 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:34,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:34,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111992891] [2021-04-29 04:08:34,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:34,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:34,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480841657] [2021-04-29 04:08:34,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:34,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:34,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:34,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:34,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:34,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 368 transitions, 12862 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:34,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:34,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:34,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:35,361 INFO L129 PetriNetUnfolder]: 97/2330 cut-off events. [2021-04-29 04:08:35,362 INFO L130 PetriNetUnfolder]: For 80546/84399 co-relation queries the response was YES. [2021-04-29 04:08:35,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16460 conditions, 2330 events. 97/2330 cut-off events. For 80546/84399 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 33265 event pairs, 90 based on Foata normal form. 54/2291 useless extension candidates. Maximal degree in co-relation 16356. Up to 445 conditions per place. [2021-04-29 04:08:35,382 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 216 selfloop transitions, 176 changer transitions 2/406 dead transitions. [2021-04-29 04:08:35,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 406 transitions, 14854 flow [2021-04-29 04:08:35,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:35,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:35,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:35,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:35,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:35,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:35,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:35,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:35,384 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:35,385 INFO L185 Difference]: Start difference. First operand has 284 places, 368 transitions, 12862 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:35,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 406 transitions, 14854 flow [2021-04-29 04:08:35,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 406 transitions, 14625 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:35,976 INFO L241 Difference]: Finished difference. Result has 292 places, 385 transitions, 13808 flow [2021-04-29 04:08:35,977 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12655, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13808, PETRI_PLACES=292, PETRI_TRANSITIONS=385} [2021-04-29 04:08:35,977 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 248 predicate places. [2021-04-29 04:08:35,977 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:35,977 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 385 transitions, 13808 flow [2021-04-29 04:08:35,978 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 385 transitions, 13808 flow [2021-04-29 04:08:35,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 291 places, 385 transitions, 13808 flow [2021-04-29 04:08:36,398 INFO L129 PetriNetUnfolder]: 0/2146 cut-off events. [2021-04-29 04:08:36,399 INFO L130 PetriNetUnfolder]: For 74717/75067 co-relation queries the response was YES. [2021-04-29 04:08:36,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14078 conditions, 2146 events. 0/2146 cut-off events. For 74717/75067 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 31727 event pairs, 0 based on Foata normal form. 7/2087 useless extension candidates. Maximal degree in co-relation 0. Up to 253 conditions per place. [2021-04-29 04:08:36,419 INFO L146 LiptonReduction]: Number of co-enabled transitions 1858 [2021-04-29 04:08:36,467 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:36,468 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:36,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 491 [2021-04-29 04:08:36,468 INFO L480 AbstractCegarLoop]: Abstraction has has 291 places, 385 transitions, 13808 flow [2021-04-29 04:08:36,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:36,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:36,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:36,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-04-29 04:08:36,469 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash -714753818, now seen corresponding path program 46 times [2021-04-29 04:08:36,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:36,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042833331] [2021-04-29 04:08:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:36,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:36,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:36,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:36,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:36,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:36,499 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:36,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:36,512 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:36,532 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:36,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:36,562 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:36,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042833331] [2021-04-29 04:08:36,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:36,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:36,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036331378] [2021-04-29 04:08:36,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:36,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:36,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:36,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:36,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:36,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 385 transitions, 13808 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:36,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:36,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:36,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:37,725 INFO L129 PetriNetUnfolder]: 97/2320 cut-off events. [2021-04-29 04:08:37,725 INFO L130 PetriNetUnfolder]: For 84447/88345 co-relation queries the response was YES. [2021-04-29 04:08:37,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16757 conditions, 2320 events. 97/2320 cut-off events. For 84447/88345 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 33075 event pairs, 97 based on Foata normal form. 74/2303 useless extension candidates. Maximal degree in co-relation 16650. Up to 445 conditions per place. [2021-04-29 04:08:37,759 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 199 selfloop transitions, 176 changer transitions 2/389 dead transitions. [2021-04-29 04:08:37,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 389 transitions, 14578 flow [2021-04-29 04:08:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:37,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:37,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:37,761 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:37,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:37,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:37,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:37,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:37,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:37,764 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:37,764 INFO L185 Difference]: Start difference. First operand has 291 places, 385 transitions, 13808 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:37,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 389 transitions, 14578 flow [2021-04-29 04:08:38,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 389 transitions, 14318 flow, removed 22 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:38,578 INFO L241 Difference]: Finished difference. Result has 294 places, 383 transitions, 13823 flow [2021-04-29 04:08:38,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13556, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13823, PETRI_PLACES=294, PETRI_TRANSITIONS=383} [2021-04-29 04:08:38,579 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 250 predicate places. [2021-04-29 04:08:38,579 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:38,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 383 transitions, 13823 flow [2021-04-29 04:08:38,580 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 383 transitions, 13823 flow [2021-04-29 04:08:38,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 383 transitions, 13823 flow [2021-04-29 04:08:39,005 INFO L129 PetriNetUnfolder]: 0/2141 cut-off events. [2021-04-29 04:08:39,006 INFO L130 PetriNetUnfolder]: For 74679/75090 co-relation queries the response was YES. [2021-04-29 04:08:39,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14121 conditions, 2141 events. 0/2141 cut-off events. For 74679/75090 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 31646 event pairs, 0 based on Foata normal form. 7/2078 useless extension candidates. Maximal degree in co-relation 0. Up to 252 conditions per place. [2021-04-29 04:08:39,027 INFO L146 LiptonReduction]: Number of co-enabled transitions 1838 [2021-04-29 04:08:39,062 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:39,062 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:39,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 483 [2021-04-29 04:08:39,063 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 383 transitions, 13823 flow [2021-04-29 04:08:39,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:39,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:39,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:39,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-04-29 04:08:39,064 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:39,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:39,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1486610140, now seen corresponding path program 47 times [2021-04-29 04:08:39,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:39,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296919942] [2021-04-29 04:08:39,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:39,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:39,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:39,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:39,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:39,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:39,093 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:08:39,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:08:39,107 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:39,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:39,126 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:39,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:39,153 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:39,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296919942] [2021-04-29 04:08:39,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:39,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:39,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820291189] [2021-04-29 04:08:39,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:39,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:39,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:39,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:39,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:39,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 383 transitions, 13823 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:39,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:39,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:39,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:40,140 INFO L129 PetriNetUnfolder]: 97/2315 cut-off events. [2021-04-29 04:08:40,141 INFO L130 PetriNetUnfolder]: For 84100/87998 co-relation queries the response was YES. [2021-04-29 04:08:40,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16790 conditions, 2315 events. 97/2315 cut-off events. For 84100/87998 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 32966 event pairs, 97 based on Foata normal form. 74/2298 useless extension candidates. Maximal degree in co-relation 16684. Up to 445 conditions per place. [2021-04-29 04:08:40,160 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 211 selfloop transitions, 163 changer transitions 1/387 dead transitions. [2021-04-29 04:08:40,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 387 transitions, 14589 flow [2021-04-29 04:08:40,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:40,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:40,166 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:40,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:40,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:40,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:40,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:40,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:40,169 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:40,169 INFO L185 Difference]: Start difference. First operand has 293 places, 383 transitions, 13823 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:40,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 387 transitions, 14589 flow [2021-04-29 04:08:40,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 387 transitions, 14253 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:40,806 INFO L241 Difference]: Finished difference. Result has 296 places, 382 transitions, 13777 flow [2021-04-29 04:08:40,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13495, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13777, PETRI_PLACES=296, PETRI_TRANSITIONS=382} [2021-04-29 04:08:40,807 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 252 predicate places. [2021-04-29 04:08:40,807 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:40,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 382 transitions, 13777 flow [2021-04-29 04:08:40,807 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 382 transitions, 13777 flow [2021-04-29 04:08:40,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 382 transitions, 13777 flow [2021-04-29 04:08:41,215 INFO L129 PetriNetUnfolder]: 0/2137 cut-off events. [2021-04-29 04:08:41,216 INFO L130 PetriNetUnfolder]: For 74472/74858 co-relation queries the response was YES. [2021-04-29 04:08:41,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14116 conditions, 2137 events. 0/2137 cut-off events. For 74472/74858 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 31580 event pairs, 0 based on Foata normal form. 7/2072 useless extension candidates. Maximal degree in co-relation 0. Up to 251 conditions per place. [2021-04-29 04:08:41,237 INFO L146 LiptonReduction]: Number of co-enabled transitions 1830 [2021-04-29 04:08:41,272 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:41,273 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:41,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-04-29 04:08:41,273 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 382 transitions, 13777 flow [2021-04-29 04:08:41,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:41,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:41,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:41,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-04-29 04:08:41,274 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:41,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:41,274 INFO L82 PathProgramCache]: Analyzing trace with hash -212850664, now seen corresponding path program 48 times [2021-04-29 04:08:41,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:41,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758098661] [2021-04-29 04:08:41,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:41,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:41,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:41,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:41,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:41,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:41,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:41,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:41,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:41,331 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:08:41,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:08:41,367 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:41,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:41,399 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:41,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:41,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758098661] [2021-04-29 04:08:41,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:41,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:41,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676808975] [2021-04-29 04:08:41,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:41,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:41,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:41,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:41,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:41,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 382 transitions, 13777 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:41,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:41,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:41,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:42,336 INFO L129 PetriNetUnfolder]: 96/2318 cut-off events. [2021-04-29 04:08:42,337 INFO L130 PetriNetUnfolder]: For 83250/87004 co-relation queries the response was YES. [2021-04-29 04:08:42,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16814 conditions, 2318 events. 96/2318 cut-off events. For 83250/87004 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 33043 event pairs, 96 based on Foata normal form. 57/2284 useless extension candidates. Maximal degree in co-relation 16708. Up to 445 conditions per place. [2021-04-29 04:08:42,355 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 199 selfloop transitions, 182 changer transitions 3/396 dead transitions. [2021-04-29 04:08:42,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 396 transitions, 14900 flow [2021-04-29 04:08:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:42,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:42,357 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:42,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:42,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:42,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:42,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:42,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:42,358 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:42,358 INFO L185 Difference]: Start difference. First operand has 295 places, 382 transitions, 13777 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:42,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 396 transitions, 14900 flow [2021-04-29 04:08:42,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 396 transitions, 14445 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:42,981 INFO L241 Difference]: Finished difference. Result has 300 places, 384 transitions, 13850 flow [2021-04-29 04:08:42,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13341, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13850, PETRI_PLACES=300, PETRI_TRANSITIONS=384} [2021-04-29 04:08:42,981 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 256 predicate places. [2021-04-29 04:08:42,982 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:42,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 384 transitions, 13850 flow [2021-04-29 04:08:42,982 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 384 transitions, 13850 flow [2021-04-29 04:08:42,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 384 transitions, 13850 flow [2021-04-29 04:08:43,395 INFO L129 PetriNetUnfolder]: 0/2136 cut-off events. [2021-04-29 04:08:43,395 INFO L130 PetriNetUnfolder]: For 74000/74352 co-relation queries the response was YES. [2021-04-29 04:08:43,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14135 conditions, 2136 events. 0/2136 cut-off events. For 74000/74352 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 31596 event pairs, 0 based on Foata normal form. 7/2084 useless extension candidates. Maximal degree in co-relation 0. Up to 251 conditions per place. [2021-04-29 04:08:43,416 INFO L146 LiptonReduction]: Number of co-enabled transitions 1840 [2021-04-29 04:08:43,452 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:43,452 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:43,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 470 [2021-04-29 04:08:43,452 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 384 transitions, 13850 flow [2021-04-29 04:08:43,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:43,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:43,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:43,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-04-29 04:08:43,453 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:43,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:43,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1701017176, now seen corresponding path program 49 times [2021-04-29 04:08:43,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:43,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083234869] [2021-04-29 04:08:43,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:43,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:43,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:43,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:43,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:43,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:43,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:43,483 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:43,505 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:43,532 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:43,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:43,557 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:43,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:43,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083234869] [2021-04-29 04:08:43,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:43,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:43,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811509494] [2021-04-29 04:08:43,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:43,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:43,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:43,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:43,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:43,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 384 transitions, 13850 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:43,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:43,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:43,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:44,943 INFO L129 PetriNetUnfolder]: 96/2308 cut-off events. [2021-04-29 04:08:44,944 INFO L130 PetriNetUnfolder]: For 82787/86541 co-relation queries the response was YES. [2021-04-29 04:08:44,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16784 conditions, 2308 events. 96/2308 cut-off events. For 82787/86541 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 32857 event pairs, 96 based on Foata normal form. 57/2275 useless extension candidates. Maximal degree in co-relation 16675. Up to 445 conditions per place. [2021-04-29 04:08:44,963 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 184 selfloop transitions, 193 changer transitions 2/391 dead transitions. [2021-04-29 04:08:44,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 391 transitions, 14723 flow [2021-04-29 04:08:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:44,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:44,967 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:44,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:44,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:44,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:44,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:44,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:44,969 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:44,969 INFO L185 Difference]: Start difference. First operand has 299 places, 384 transitions, 13850 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:44,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 391 transitions, 14723 flow [2021-04-29 04:08:45,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 391 transitions, 14378 flow, removed 21 selfloop flow, removed 6 redundant places. [2021-04-29 04:08:45,615 INFO L241 Difference]: Finished difference. Result has 303 places, 385 transitions, 14028 flow [2021-04-29 04:08:45,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13519, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14028, PETRI_PLACES=303, PETRI_TRANSITIONS=385} [2021-04-29 04:08:45,615 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 259 predicate places. [2021-04-29 04:08:45,615 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:45,616 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 385 transitions, 14028 flow [2021-04-29 04:08:45,616 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 385 transitions, 14028 flow [2021-04-29 04:08:45,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 385 transitions, 14028 flow [2021-04-29 04:08:46,040 INFO L129 PetriNetUnfolder]: 0/2128 cut-off events. [2021-04-29 04:08:46,040 INFO L130 PetriNetUnfolder]: For 74957/75355 co-relation queries the response was YES. [2021-04-29 04:08:46,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14183 conditions, 2128 events. 0/2128 cut-off events. For 74957/75355 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 31407 event pairs, 0 based on Foata normal form. 7/2075 useless extension candidates. Maximal degree in co-relation 0. Up to 250 conditions per place. [2021-04-29 04:08:46,072 INFO L146 LiptonReduction]: Number of co-enabled transitions 1852 [2021-04-29 04:08:46,113 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:46,113 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:46,113 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-04-29 04:08:46,114 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 385 transitions, 14028 flow [2021-04-29 04:08:46,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:46,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:46,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:46,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-04-29 04:08:46,115 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:46,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:46,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1760132120, now seen corresponding path program 50 times [2021-04-29 04:08:46,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:46,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155351657] [2021-04-29 04:08:46,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:46,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:46,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:46,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:46,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:46,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:46,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:46,146 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:46,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:46,171 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:08:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:08:46,209 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:46,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:46,241 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:46,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:46,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155351657] [2021-04-29 04:08:46,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:46,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:46,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750519007] [2021-04-29 04:08:46,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:46,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:46,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:46,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:46,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:46,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 385 transitions, 14028 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:46,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:46,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:46,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:47,228 INFO L129 PetriNetUnfolder]: 96/2300 cut-off events. [2021-04-29 04:08:47,228 INFO L130 PetriNetUnfolder]: For 83361/87156 co-relation queries the response was YES. [2021-04-29 04:08:47,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16803 conditions, 2300 events. 96/2300 cut-off events. For 83361/87156 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 32717 event pairs, 96 based on Foata normal form. 55/2265 useless extension candidates. Maximal degree in co-relation 16694. Up to 445 conditions per place. [2021-04-29 04:08:47,246 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 196 selfloop transitions, 183 changer transitions 2/393 dead transitions. [2021-04-29 04:08:47,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 393 transitions, 14960 flow [2021-04-29 04:08:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:47,248 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:47,248 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:47,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:47,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:47,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:47,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:47,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:47,249 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:47,249 INFO L185 Difference]: Start difference. First operand has 302 places, 385 transitions, 14028 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:47,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 393 transitions, 14960 flow [2021-04-29 04:08:47,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 393 transitions, 14654 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:47,875 INFO L241 Difference]: Finished difference. Result has 307 places, 387 transitions, 14186 flow [2021-04-29 04:08:47,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13730, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14186, PETRI_PLACES=307, PETRI_TRANSITIONS=387} [2021-04-29 04:08:47,875 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 263 predicate places. [2021-04-29 04:08:47,875 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:47,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 387 transitions, 14186 flow [2021-04-29 04:08:47,876 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 387 transitions, 14186 flow [2021-04-29 04:08:47,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 306 places, 387 transitions, 14186 flow [2021-04-29 04:08:48,289 INFO L129 PetriNetUnfolder]: 0/2120 cut-off events. [2021-04-29 04:08:48,289 INFO L130 PetriNetUnfolder]: For 75051/75414 co-relation queries the response was YES. [2021-04-29 04:08:48,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14232 conditions, 2120 events. 0/2120 cut-off events. For 75051/75414 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 31290 event pairs, 0 based on Foata normal form. 7/2063 useless extension candidates. Maximal degree in co-relation 0. Up to 249 conditions per place. [2021-04-29 04:08:48,310 INFO L146 LiptonReduction]: Number of co-enabled transitions 1850 [2021-04-29 04:08:48,347 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:48,347 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:48,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-04-29 04:08:48,348 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 387 transitions, 14186 flow [2021-04-29 04:08:48,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:48,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:48,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:48,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-04-29 04:08:48,348 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:48,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:48,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1327293886, now seen corresponding path program 51 times [2021-04-29 04:08:48,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:48,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665191216] [2021-04-29 04:08:48,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:48,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:48,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:48,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:48,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:48,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:48,376 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:48,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:48,399 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:08:48,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:08:48,418 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:48,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:48,444 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:48,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:48,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665191216] [2021-04-29 04:08:48,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:48,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:48,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797475053] [2021-04-29 04:08:48,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:48,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:48,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:48,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:48,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:48,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 387 transitions, 14186 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:48,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:48,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:48,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:49,432 INFO L129 PetriNetUnfolder]: 96/2292 cut-off events. [2021-04-29 04:08:49,432 INFO L130 PetriNetUnfolder]: For 83554/87349 co-relation queries the response was YES. [2021-04-29 04:08:49,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16849 conditions, 2292 events. 96/2292 cut-off events. For 83554/87349 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 32563 event pairs, 96 based on Foata normal form. 55/2257 useless extension candidates. Maximal degree in co-relation 16739. Up to 445 conditions per place. [2021-04-29 04:08:49,452 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 185 selfloop transitions, 192 changer transitions 2/391 dead transitions. [2021-04-29 04:08:49,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 391 transitions, 14960 flow [2021-04-29 04:08:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:49,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:49,453 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:49,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:49,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:49,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:49,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:49,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:49,454 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:49,454 INFO L185 Difference]: Start difference. First operand has 306 places, 387 transitions, 14186 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:49,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 391 transitions, 14960 flow [2021-04-29 04:08:50,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 391 transitions, 14717 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:50,107 INFO L241 Difference]: Finished difference. Result has 310 places, 385 transitions, 14252 flow [2021-04-29 04:08:50,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13951, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14252, PETRI_PLACES=310, PETRI_TRANSITIONS=385} [2021-04-29 04:08:50,108 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 266 predicate places. [2021-04-29 04:08:50,108 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:50,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 310 places, 385 transitions, 14252 flow [2021-04-29 04:08:50,109 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 310 places, 385 transitions, 14252 flow [2021-04-29 04:08:50,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 309 places, 385 transitions, 14252 flow [2021-04-29 04:08:50,523 INFO L129 PetriNetUnfolder]: 0/2111 cut-off events. [2021-04-29 04:08:50,523 INFO L130 PetriNetUnfolder]: For 75847/76336 co-relation queries the response was YES. [2021-04-29 04:08:50,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14287 conditions, 2111 events. 0/2111 cut-off events. For 75847/76336 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 31137 event pairs, 0 based on Foata normal form. 8/2057 useless extension candidates. Maximal degree in co-relation 0. Up to 248 conditions per place. [2021-04-29 04:08:50,546 INFO L146 LiptonReduction]: Number of co-enabled transitions 1836 [2021-04-29 04:08:50,588 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:50,588 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:50,588 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 480 [2021-04-29 04:08:50,589 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 385 transitions, 14252 flow [2021-04-29 04:08:50,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:50,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:50,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:50,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-04-29 04:08:50,589 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:50,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1700573650, now seen corresponding path program 52 times [2021-04-29 04:08:50,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:50,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171470628] [2021-04-29 04:08:50,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:50,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:50,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:50,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:50,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:50,618 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:50,642 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:08:50,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:08:50,673 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:50,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:50,703 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:50,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:50,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171470628] [2021-04-29 04:08:50,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:50,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:50,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687262240] [2021-04-29 04:08:50,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:50,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:50,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:50,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:50,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:50,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 385 transitions, 14252 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:50,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:50,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:50,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:51,751 INFO L129 PetriNetUnfolder]: 96/2283 cut-off events. [2021-04-29 04:08:51,751 INFO L130 PetriNetUnfolder]: For 83959/87754 co-relation queries the response was YES. [2021-04-29 04:08:51,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16900 conditions, 2283 events. 96/2283 cut-off events. For 83959/87754 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 32410 event pairs, 96 based on Foata normal form. 55/2249 useless extension candidates. Maximal degree in co-relation 16790. Up to 445 conditions per place. [2021-04-29 04:08:51,770 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 184 selfloop transitions, 190 changer transitions 3/389 dead transitions. [2021-04-29 04:08:51,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 389 transitions, 15022 flow [2021-04-29 04:08:51,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:08:51,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:08:51,772 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:08:51,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:08:51,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:51,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:08:51,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:51,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:51,773 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:51,773 INFO L185 Difference]: Start difference. First operand has 309 places, 385 transitions, 14252 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:08:51,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 389 transitions, 15022 flow [2021-04-29 04:08:52,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 389 transitions, 14638 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:52,445 INFO L241 Difference]: Finished difference. Result has 312 places, 382 transitions, 14142 flow [2021-04-29 04:08:52,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13876, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14142, PETRI_PLACES=312, PETRI_TRANSITIONS=382} [2021-04-29 04:08:52,446 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 268 predicate places. [2021-04-29 04:08:52,446 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:52,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 382 transitions, 14142 flow [2021-04-29 04:08:52,446 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 382 transitions, 14142 flow [2021-04-29 04:08:52,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 382 transitions, 14142 flow [2021-04-29 04:08:52,863 INFO L129 PetriNetUnfolder]: 0/2102 cut-off events. [2021-04-29 04:08:52,863 INFO L130 PetriNetUnfolder]: For 75220/75632 co-relation queries the response was YES. [2021-04-29 04:08:52,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14230 conditions, 2102 events. 0/2102 cut-off events. For 75220/75632 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 30952 event pairs, 0 based on Foata normal form. 6/2036 useless extension candidates. Maximal degree in co-relation 0. Up to 247 conditions per place. [2021-04-29 04:08:52,887 INFO L146 LiptonReduction]: Number of co-enabled transitions 1818 [2021-04-29 04:08:52,923 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:52,923 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:52,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 477 [2021-04-29 04:08:52,924 INFO L480 AbstractCegarLoop]: Abstraction has has 310 places, 382 transitions, 14142 flow [2021-04-29 04:08:52,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:52,924 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:52,924 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:52,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-04-29 04:08:52,924 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:52,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:52,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1975831916, now seen corresponding path program 53 times [2021-04-29 04:08:52,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:52,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776859081] [2021-04-29 04:08:52,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:52,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:52,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:52,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:52,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:52,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:52,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:52,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:52,971 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:52,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:52,990 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:53,015 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:53,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:53,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776859081] [2021-04-29 04:08:53,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:53,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:53,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023512647] [2021-04-29 04:08:53,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:53,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:53,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:53,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:53,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:53,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 382 transitions, 14142 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:53,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:53,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:53,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:53,934 INFO L129 PetriNetUnfolder]: 96/2276 cut-off events. [2021-04-29 04:08:53,934 INFO L130 PetriNetUnfolder]: For 83521/87320 co-relation queries the response was YES. [2021-04-29 04:08:53,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16841 conditions, 2276 events. 96/2276 cut-off events. For 83521/87320 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 32329 event pairs, 90 based on Foata normal form. 57/2242 useless extension candidates. Maximal degree in co-relation 16731. Up to 445 conditions per place. [2021-04-29 04:08:53,953 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 166 changer transitions 2/401 dead transitions. [2021-04-29 04:08:53,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 401 transitions, 15460 flow [2021-04-29 04:08:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:53,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:53,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:53,955 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:53,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:53,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:53,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:53,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:53,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:53,956 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:53,956 INFO L185 Difference]: Start difference. First operand has 310 places, 382 transitions, 14142 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:53,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 401 transitions, 15460 flow [2021-04-29 04:08:54,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 401 transitions, 14888 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-04-29 04:08:54,635 INFO L241 Difference]: Finished difference. Result has 310 places, 391 transitions, 14313 flow [2021-04-29 04:08:54,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13582, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14313, PETRI_PLACES=310, PETRI_TRANSITIONS=391} [2021-04-29 04:08:54,635 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 266 predicate places. [2021-04-29 04:08:54,635 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:54,636 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 310 places, 391 transitions, 14313 flow [2021-04-29 04:08:54,636 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 310 places, 391 transitions, 14313 flow [2021-04-29 04:08:54,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 309 places, 391 transitions, 14313 flow [2021-04-29 04:08:55,045 INFO L129 PetriNetUnfolder]: 0/2096 cut-off events. [2021-04-29 04:08:55,045 INFO L130 PetriNetUnfolder]: For 74166/74607 co-relation queries the response was YES. [2021-04-29 04:08:55,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14080 conditions, 2096 events. 0/2096 cut-off events. For 74166/74607 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 30896 event pairs, 0 based on Foata normal form. 11/2046 useless extension candidates. Maximal degree in co-relation 0. Up to 246 conditions per place. [2021-04-29 04:08:55,066 INFO L146 LiptonReduction]: Number of co-enabled transitions 1860 [2021-04-29 04:08:55,179 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:55,179 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:55,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 544 [2021-04-29 04:08:55,179 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 391 transitions, 14313 flow [2021-04-29 04:08:55,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:55,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:55,180 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:55,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-04-29 04:08:55,180 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:55,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:55,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1910710978, now seen corresponding path program 54 times [2021-04-29 04:08:55,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:55,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886625853] [2021-04-29 04:08:55,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:55,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:55,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:55,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:55,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:55,219 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:55,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:55,237 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:55,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:55,262 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:55,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:55,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886625853] [2021-04-29 04:08:55,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:55,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:55,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528616173] [2021-04-29 04:08:55,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:55,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:55,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:55,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:55,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:55,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 391 transitions, 14313 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:55,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:55,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:55,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:56,223 INFO L129 PetriNetUnfolder]: 90/2309 cut-off events. [2021-04-29 04:08:56,223 INFO L130 PetriNetUnfolder]: For 83205/86990 co-relation queries the response was YES. [2021-04-29 04:08:56,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16885 conditions, 2309 events. 90/2309 cut-off events. For 83205/86990 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 32912 event pairs, 90 based on Foata normal form. 57/2275 useless extension candidates. Maximal degree in co-relation 16777. Up to 445 conditions per place. [2021-04-29 04:08:56,242 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 251 selfloop transitions, 157 changer transitions 2/422 dead transitions. [2021-04-29 04:08:56,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 422 transitions, 16164 flow [2021-04-29 04:08:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:56,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:56,243 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:56,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:56,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:56,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:56,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:56,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:56,245 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:56,245 INFO L185 Difference]: Start difference. First operand has 309 places, 391 transitions, 14313 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:56,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 422 transitions, 16164 flow [2021-04-29 04:08:56,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 422 transitions, 15870 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-04-29 04:08:56,908 INFO L241 Difference]: Finished difference. Result has 316 places, 397 transitions, 14636 flow [2021-04-29 04:08:56,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14031, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14636, PETRI_PLACES=316, PETRI_TRANSITIONS=397} [2021-04-29 04:08:56,908 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 272 predicate places. [2021-04-29 04:08:56,909 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:56,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 397 transitions, 14636 flow [2021-04-29 04:08:56,909 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 397 transitions, 14636 flow [2021-04-29 04:08:56,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 397 transitions, 14636 flow [2021-04-29 04:08:57,337 INFO L129 PetriNetUnfolder]: 0/2141 cut-off events. [2021-04-29 04:08:57,337 INFO L130 PetriNetUnfolder]: For 76542/76880 co-relation queries the response was YES. [2021-04-29 04:08:57,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14506 conditions, 2141 events. 0/2141 cut-off events. For 76542/76880 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 31673 event pairs, 0 based on Foata normal form. 7/2085 useless extension candidates. Maximal degree in co-relation 0. Up to 252 conditions per place. [2021-04-29 04:08:57,360 INFO L146 LiptonReduction]: Number of co-enabled transitions 1896 [2021-04-29 04:08:57,403 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:57,403 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:57,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-04-29 04:08:57,404 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 397 transitions, 14636 flow [2021-04-29 04:08:57,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:57,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:57,404 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:57,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-04-29 04:08:57,404 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:57,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:57,405 INFO L82 PathProgramCache]: Analyzing trace with hash 710935812, now seen corresponding path program 55 times [2021-04-29 04:08:57,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:57,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999406989] [2021-04-29 04:08:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:57,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:57,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:57,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:57,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:57,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:57,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:57,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:57,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:57,450 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:57,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:57,473 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:57,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:57,504 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:57,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:57,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999406989] [2021-04-29 04:08:57,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:57,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:57,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184857293] [2021-04-29 04:08:57,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:57,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:57,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:57,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:57,538 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:57,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 397 transitions, 14636 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:57,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:57,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:57,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:58,495 INFO L129 PetriNetUnfolder]: 90/2301 cut-off events. [2021-04-29 04:08:58,496 INFO L130 PetriNetUnfolder]: For 84416/88018 co-relation queries the response was YES. [2021-04-29 04:08:58,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16961 conditions, 2301 events. 90/2301 cut-off events. For 84416/88018 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 32790 event pairs, 90 based on Foata normal form. 57/2267 useless extension candidates. Maximal degree in co-relation 16850. Up to 445 conditions per place. [2021-04-29 04:08:58,515 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 224 selfloop transitions, 171 changer transitions 2/409 dead transitions. [2021-04-29 04:08:58,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 409 transitions, 15730 flow [2021-04-29 04:08:58,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:08:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:08:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:08:58,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:08:58,516 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:08:58,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:08:58,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:58,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:08:58,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:58,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:58,518 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:58,518 INFO L185 Difference]: Start difference. First operand has 315 places, 397 transitions, 14636 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:08:58,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 409 transitions, 15730 flow [2021-04-29 04:08:59,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 409 transitions, 15441 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-29 04:08:59,187 INFO L241 Difference]: Finished difference. Result has 320 places, 403 transitions, 14976 flow [2021-04-29 04:08:59,187 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14361, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14976, PETRI_PLACES=320, PETRI_TRANSITIONS=403} [2021-04-29 04:08:59,187 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 276 predicate places. [2021-04-29 04:08:59,187 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:59,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 403 transitions, 14976 flow [2021-04-29 04:08:59,188 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 403 transitions, 14976 flow [2021-04-29 04:08:59,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 403 transitions, 14976 flow [2021-04-29 04:08:59,608 INFO L129 PetriNetUnfolder]: 0/2133 cut-off events. [2021-04-29 04:08:59,608 INFO L130 PetriNetUnfolder]: For 77497/77829 co-relation queries the response was YES. [2021-04-29 04:08:59,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14581 conditions, 2133 events. 0/2133 cut-off events. For 77497/77829 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 31563 event pairs, 0 based on Foata normal form. 7/2080 useless extension candidates. Maximal degree in co-relation 0. Up to 251 conditions per place. [2021-04-29 04:08:59,631 INFO L146 LiptonReduction]: Number of co-enabled transitions 1932 [2021-04-29 04:08:59,677 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:59,677 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:59,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-04-29 04:08:59,677 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 403 transitions, 14976 flow [2021-04-29 04:08:59,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:59,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:59,678 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:08:59,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-04-29 04:08:59,678 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:59,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:59,678 INFO L82 PathProgramCache]: Analyzing trace with hash -798364882, now seen corresponding path program 56 times [2021-04-29 04:08:59,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:59,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102110997] [2021-04-29 04:08:59,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:59,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:59,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:59,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:59,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:59,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:59,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:59,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:59,716 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:59,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:59,736 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:59,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:59,762 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:08:59,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:08:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:59,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102110997] [2021-04-29 04:08:59,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:59,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:08:59,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361958260] [2021-04-29 04:08:59,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:08:59,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:59,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:08:59,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:08:59,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:08:59,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 403 transitions, 14976 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:08:59,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:59,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:08:59,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:00,744 INFO L129 PetriNetUnfolder]: 90/2293 cut-off events. [2021-04-29 04:09:00,745 INFO L130 PetriNetUnfolder]: For 85275/88576 co-relation queries the response was YES. [2021-04-29 04:09:00,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17033 conditions, 2293 events. 90/2293 cut-off events. For 85275/88576 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 32646 event pairs, 90 based on Foata normal form. 55/2257 useless extension candidates. Maximal degree in co-relation 16921. Up to 445 conditions per place. [2021-04-29 04:09:00,764 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 220 selfloop transitions, 173 changer transitions 2/407 dead transitions. [2021-04-29 04:09:00,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 407 transitions, 15782 flow [2021-04-29 04:09:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:00,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:00,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:00,765 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:00,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:00,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:00,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:00,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:00,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:00,767 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:00,767 INFO L185 Difference]: Start difference. First operand has 319 places, 403 transitions, 14976 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:00,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 407 transitions, 15782 flow [2021-04-29 04:09:01,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 407 transitions, 15496 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:09:01,479 INFO L241 Difference]: Finished difference. Result has 323 places, 401 transitions, 14946 flow [2021-04-29 04:09:01,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14698, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14946, PETRI_PLACES=323, PETRI_TRANSITIONS=401} [2021-04-29 04:09:01,480 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 279 predicate places. [2021-04-29 04:09:01,480 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:01,480 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 401 transitions, 14946 flow [2021-04-29 04:09:01,481 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 401 transitions, 14946 flow [2021-04-29 04:09:01,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 401 transitions, 14946 flow [2021-04-29 04:09:01,926 INFO L129 PetriNetUnfolder]: 0/2127 cut-off events. [2021-04-29 04:09:01,926 INFO L130 PetriNetUnfolder]: For 77307/77644 co-relation queries the response was YES. [2021-04-29 04:09:01,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14611 conditions, 2127 events. 0/2127 cut-off events. For 77307/77644 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 31428 event pairs, 0 based on Foata normal form. 7/2074 useless extension candidates. Maximal degree in co-relation 0. Up to 250 conditions per place. [2021-04-29 04:09:01,947 INFO L146 LiptonReduction]: Number of co-enabled transitions 1914 [2021-04-29 04:09:01,989 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:01,990 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:01,990 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 510 [2021-04-29 04:09:01,990 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 401 transitions, 14946 flow [2021-04-29 04:09:01,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:01,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:01,990 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:01,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-04-29 04:09:01,991 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:01,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:01,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1736700184, now seen corresponding path program 57 times [2021-04-29 04:09:01,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:01,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136360116] [2021-04-29 04:09:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:02,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:02,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:02,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:02,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:02,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:09:02,029 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:09:02,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:09:02,058 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:02,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:02,084 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:02,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:02,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136360116] [2021-04-29 04:09:02,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:02,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:02,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470257565] [2021-04-29 04:09:02,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:02,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:02,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:02,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:02,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:02,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 401 transitions, 14946 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:02,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:02,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:02,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:03,187 INFO L129 PetriNetUnfolder]: 90/2287 cut-off events. [2021-04-29 04:09:03,187 INFO L130 PetriNetUnfolder]: For 84805/88099 co-relation queries the response was YES. [2021-04-29 04:09:03,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17060 conditions, 2287 events. 90/2287 cut-off events. For 84805/88099 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 32538 event pairs, 90 based on Foata normal form. 55/2251 useless extension candidates. Maximal degree in co-relation 16948. Up to 445 conditions per place. [2021-04-29 04:09:03,206 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 218 selfloop transitions, 173 changer transitions 2/405 dead transitions. [2021-04-29 04:09:03,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 405 transitions, 15748 flow [2021-04-29 04:09:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:03,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:03,208 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:03,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:03,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:03,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:03,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:03,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:03,209 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:03,209 INFO L185 Difference]: Start difference. First operand has 322 places, 401 transitions, 14946 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:03,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 405 transitions, 15748 flow [2021-04-29 04:09:03,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 405 transitions, 15404 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:03,871 INFO L241 Difference]: Finished difference. Result has 325 places, 399 transitions, 14866 flow [2021-04-29 04:09:03,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14610, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14866, PETRI_PLACES=325, PETRI_TRANSITIONS=399} [2021-04-29 04:09:03,871 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 281 predicate places. [2021-04-29 04:09:03,872 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:03,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 399 transitions, 14866 flow [2021-04-29 04:09:03,872 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 399 transitions, 14866 flow [2021-04-29 04:09:03,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 399 transitions, 14866 flow [2021-04-29 04:09:04,287 INFO L129 PetriNetUnfolder]: 0/2118 cut-off events. [2021-04-29 04:09:04,287 INFO L130 PetriNetUnfolder]: For 77155/77615 co-relation queries the response was YES. [2021-04-29 04:09:04,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14551 conditions, 2118 events. 0/2118 cut-off events. For 77155/77615 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 31202 event pairs, 0 based on Foata normal form. 8/2060 useless extension candidates. Maximal degree in co-relation 0. Up to 249 conditions per place. [2021-04-29 04:09:04,308 INFO L146 LiptonReduction]: Number of co-enabled transitions 1908 [2021-04-29 04:09:04,365 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:04,365 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:04,365 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 493 [2021-04-29 04:09:04,366 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 399 transitions, 14866 flow [2021-04-29 04:09:04,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:04,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:04,366 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:04,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-04-29 04:09:04,366 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:04,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:04,367 INFO L82 PathProgramCache]: Analyzing trace with hash -433736442, now seen corresponding path program 58 times [2021-04-29 04:09:04,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:04,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941402568] [2021-04-29 04:09:04,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:04,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:04,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:04,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:04,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:04,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:04,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:09:04,413 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:04,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:04,436 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:04,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:04,465 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:04,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:04,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941402568] [2021-04-29 04:09:04,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:04,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:04,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984948152] [2021-04-29 04:09:04,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:04,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:04,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:04,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:04,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:04,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 399 transitions, 14866 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:04,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:04,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:04,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:05,441 INFO L129 PetriNetUnfolder]: 90/2278 cut-off events. [2021-04-29 04:09:05,441 INFO L130 PetriNetUnfolder]: For 84298/87592 co-relation queries the response was YES. [2021-04-29 04:09:05,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16996 conditions, 2278 events. 90/2278 cut-off events. For 84298/87592 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 32412 event pairs, 90 based on Foata normal form. 55/2242 useless extension candidates. Maximal degree in co-relation 16884. Up to 445 conditions per place. [2021-04-29 04:09:05,464 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 222 selfloop transitions, 167 changer transitions 2/403 dead transitions. [2021-04-29 04:09:05,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 403 transitions, 15664 flow [2021-04-29 04:09:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:05,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:05,465 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:05,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:05,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:05,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:05,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:05,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:05,467 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:05,467 INFO L185 Difference]: Start difference. First operand has 324 places, 399 transitions, 14866 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:05,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 403 transitions, 15664 flow [2021-04-29 04:09:06,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 403 transitions, 15326 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:06,150 INFO L241 Difference]: Finished difference. Result has 327 places, 397 transitions, 14778 flow [2021-04-29 04:09:06,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14536, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14778, PETRI_PLACES=327, PETRI_TRANSITIONS=397} [2021-04-29 04:09:06,150 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 283 predicate places. [2021-04-29 04:09:06,150 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:06,150 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 397 transitions, 14778 flow [2021-04-29 04:09:06,151 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 397 transitions, 14778 flow [2021-04-29 04:09:06,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 397 transitions, 14778 flow [2021-04-29 04:09:06,567 INFO L129 PetriNetUnfolder]: 0/2110 cut-off events. [2021-04-29 04:09:06,568 INFO L130 PetriNetUnfolder]: For 76402/76740 co-relation queries the response was YES. [2021-04-29 04:09:06,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14508 conditions, 2110 events. 0/2110 cut-off events. For 76402/76740 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 31123 event pairs, 0 based on Foata normal form. 7/2055 useless extension candidates. Maximal degree in co-relation 0. Up to 248 conditions per place. [2021-04-29 04:09:06,590 INFO L146 LiptonReduction]: Number of co-enabled transitions 1904 [2021-04-29 04:09:06,628 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:06,628 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:06,628 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 478 [2021-04-29 04:09:06,628 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 397 transitions, 14778 flow [2021-04-29 04:09:06,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:06,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:06,629 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:06,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-04-29 04:09:06,629 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:06,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:06,629 INFO L82 PathProgramCache]: Analyzing trace with hash -511554476, now seen corresponding path program 59 times [2021-04-29 04:09:06,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:06,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005475616] [2021-04-29 04:09:06,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:06,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:06,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:06,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:09:06,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:09:06,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:09:06,698 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:06,723 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:06,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005475616] [2021-04-29 04:09:06,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:06,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:06,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048484685] [2021-04-29 04:09:06,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:06,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:06,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:06,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:06,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:06,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 397 transitions, 14778 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:06,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:06,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:06,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:07,704 INFO L129 PetriNetUnfolder]: 90/2270 cut-off events. [2021-04-29 04:09:07,705 INFO L130 PetriNetUnfolder]: For 83949/87247 co-relation queries the response was YES. [2021-04-29 04:09:07,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16950 conditions, 2270 events. 90/2270 cut-off events. For 83949/87247 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 32272 event pairs, 90 based on Foata normal form. 57/2236 useless extension candidates. Maximal degree in co-relation 16838. Up to 445 conditions per place. [2021-04-29 04:09:07,723 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 241 selfloop transitions, 161 changer transitions 2/416 dead transitions. [2021-04-29 04:09:07,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 416 transitions, 16155 flow [2021-04-29 04:09:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:07,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:07,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:07,724 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:07,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:07,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:07,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:07,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:07,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:07,726 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:07,726 INFO L185 Difference]: Start difference. First operand has 326 places, 397 transitions, 14778 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:07,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 416 transitions, 16155 flow [2021-04-29 04:09:08,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 416 transitions, 15852 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:08,365 INFO L241 Difference]: Finished difference. Result has 330 places, 398 transitions, 14859 flow [2021-04-29 04:09:08,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14483, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14859, PETRI_PLACES=330, PETRI_TRANSITIONS=398} [2021-04-29 04:09:08,366 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 286 predicate places. [2021-04-29 04:09:08,367 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:08,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 330 places, 398 transitions, 14859 flow [2021-04-29 04:09:08,367 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 330 places, 398 transitions, 14859 flow [2021-04-29 04:09:08,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 329 places, 398 transitions, 14859 flow [2021-04-29 04:09:08,792 INFO L129 PetriNetUnfolder]: 0/2102 cut-off events. [2021-04-29 04:09:08,792 INFO L130 PetriNetUnfolder]: For 76505/76879 co-relation queries the response was YES. [2021-04-29 04:09:08,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14533 conditions, 2102 events. 0/2102 cut-off events. For 76505/76879 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 30967 event pairs, 0 based on Foata normal form. 7/2048 useless extension candidates. Maximal degree in co-relation 0. Up to 247 conditions per place. [2021-04-29 04:09:08,813 INFO L146 LiptonReduction]: Number of co-enabled transitions 1900 [2021-04-29 04:09:08,850 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:08,850 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:08,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 483 [2021-04-29 04:09:08,851 INFO L480 AbstractCegarLoop]: Abstraction has has 329 places, 398 transitions, 14859 flow [2021-04-29 04:09:08,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:08,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:08,851 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:08,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-04-29 04:09:08,851 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:08,852 INFO L82 PathProgramCache]: Analyzing trace with hash 632381588, now seen corresponding path program 60 times [2021-04-29 04:09:08,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:08,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654388158] [2021-04-29 04:09:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:08,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:08,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:08,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:08,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:08,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:09:08,898 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:08,916 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:08,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:08,948 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:08,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:08,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:08,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654388158] [2021-04-29 04:09:08,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:08,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:08,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270272841] [2021-04-29 04:09:08,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:08,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:08,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:08,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:08,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:08,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 398 transitions, 14859 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:08,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:08,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:08,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:09,918 INFO L129 PetriNetUnfolder]: 90/2262 cut-off events. [2021-04-29 04:09:09,919 INFO L130 PetriNetUnfolder]: For 84066/87376 co-relation queries the response was YES. [2021-04-29 04:09:09,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16972 conditions, 2262 events. 90/2262 cut-off events. For 84066/87376 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 32122 event pairs, 90 based on Foata normal form. 57/2228 useless extension candidates. Maximal degree in co-relation 16860. Up to 445 conditions per place. [2021-04-29 04:09:09,938 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 234 selfloop transitions, 166 changer transitions 2/414 dead transitions. [2021-04-29 04:09:09,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 414 transitions, 16110 flow [2021-04-29 04:09:09,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:09,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:09,939 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:09,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:09,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:09,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:09,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:09,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:09,941 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:09,941 INFO L185 Difference]: Start difference. First operand has 329 places, 398 transitions, 14859 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:09,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 414 transitions, 16110 flow [2021-04-29 04:09:10,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 414 transitions, 15792 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:10,623 INFO L241 Difference]: Finished difference. Result has 333 places, 408 transitions, 15282 flow [2021-04-29 04:09:10,624 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14549, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15282, PETRI_PLACES=333, PETRI_TRANSITIONS=408} [2021-04-29 04:09:10,624 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 289 predicate places. [2021-04-29 04:09:10,624 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:10,624 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 408 transitions, 15282 flow [2021-04-29 04:09:10,624 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 408 transitions, 15282 flow [2021-04-29 04:09:10,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 408 transitions, 15282 flow [2021-04-29 04:09:11,040 INFO L129 PetriNetUnfolder]: 0/2096 cut-off events. [2021-04-29 04:09:11,040 INFO L130 PetriNetUnfolder]: For 77341/77717 co-relation queries the response was YES. [2021-04-29 04:09:11,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14524 conditions, 2096 events. 0/2096 cut-off events. For 77341/77717 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 30832 event pairs, 0 based on Foata normal form. 6/2042 useless extension candidates. Maximal degree in co-relation 0. Up to 246 conditions per place. [2021-04-29 04:09:11,061 INFO L146 LiptonReduction]: Number of co-enabled transitions 1912 [2021-04-29 04:09:11,100 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:11,100 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:11,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-04-29 04:09:11,101 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 408 transitions, 15282 flow [2021-04-29 04:09:11,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:11,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:11,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:11,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-04-29 04:09:11,101 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:11,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:11,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1547496748, now seen corresponding path program 61 times [2021-04-29 04:09:11,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:11,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416318797] [2021-04-29 04:09:11,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:11,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:11,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:11,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:11,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:11,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:11,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:11,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:11,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:09:11,140 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:11,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:11,160 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:11,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:11,187 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:11,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:11,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416318797] [2021-04-29 04:09:11,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:11,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:11,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907932672] [2021-04-29 04:09:11,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:11,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:11,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:11,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:11,215 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:11,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 408 transitions, 15282 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:11,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:11,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:11,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:12,330 INFO L129 PetriNetUnfolder]: 90/2256 cut-off events. [2021-04-29 04:09:12,330 INFO L130 PetriNetUnfolder]: For 84779/87951 co-relation queries the response was YES. [2021-04-29 04:09:12,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16960 conditions, 2256 events. 90/2256 cut-off events. For 84779/87951 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 32011 event pairs, 90 based on Foata normal form. 55/2221 useless extension candidates. Maximal degree in co-relation 16847. Up to 445 conditions per place. [2021-04-29 04:09:12,349 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 233 selfloop transitions, 165 changer transitions 2/412 dead transitions. [2021-04-29 04:09:12,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 412 transitions, 16098 flow [2021-04-29 04:09:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:12,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:12,350 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:12,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:12,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:12,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:12,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:12,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:12,352 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:12,352 INFO L185 Difference]: Start difference. First operand has 332 places, 408 transitions, 15282 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:12,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 412 transitions, 16098 flow [2021-04-29 04:09:13,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 412 transitions, 15915 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-29 04:09:13,045 INFO L241 Difference]: Finished difference. Result has 337 places, 406 transitions, 15349 flow [2021-04-29 04:09:13,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15107, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15349, PETRI_PLACES=337, PETRI_TRANSITIONS=406} [2021-04-29 04:09:13,046 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 293 predicate places. [2021-04-29 04:09:13,046 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:13,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 406 transitions, 15349 flow [2021-04-29 04:09:13,046 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 406 transitions, 15349 flow [2021-04-29 04:09:13,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 336 places, 406 transitions, 15349 flow [2021-04-29 04:09:13,458 INFO L129 PetriNetUnfolder]: 0/2087 cut-off events. [2021-04-29 04:09:13,459 INFO L130 PetriNetUnfolder]: For 78149/78689 co-relation queries the response was YES. [2021-04-29 04:09:13,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14636 conditions, 2087 events. 0/2087 cut-off events. For 78149/78689 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 30659 event pairs, 0 based on Foata normal form. 8/2032 useless extension candidates. Maximal degree in co-relation 0. Up to 245 conditions per place. [2021-04-29 04:09:13,479 INFO L146 LiptonReduction]: Number of co-enabled transitions 1902 [2021-04-29 04:09:13,518 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:13,518 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:13,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 473 [2021-04-29 04:09:13,519 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 406 transitions, 15349 flow [2021-04-29 04:09:13,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:13,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:13,519 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:13,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-04-29 04:09:13,519 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:13,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:13,520 INFO L82 PathProgramCache]: Analyzing trace with hash -464968278, now seen corresponding path program 62 times [2021-04-29 04:09:13,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:13,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630471091] [2021-04-29 04:09:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:13,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:13,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:13,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:13,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:13,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:13,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:13,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:13,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:09:13,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:13,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:13,575 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:13,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:13,601 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:13,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:13,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630471091] [2021-04-29 04:09:13,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:13,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:13,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833988355] [2021-04-29 04:09:13,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:13,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:13,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:13,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:13,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:13,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 406 transitions, 15349 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:13,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:13,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:13,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:14,644 INFO L129 PetriNetUnfolder]: 90/2247 cut-off events. [2021-04-29 04:09:14,645 INFO L130 PetriNetUnfolder]: For 85058/88168 co-relation queries the response was YES. [2021-04-29 04:09:14,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17068 conditions, 2247 events. 90/2247 cut-off events. For 85058/88168 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 31875 event pairs, 90 based on Foata normal form. 55/2213 useless extension candidates. Maximal degree in co-relation 16955. Up to 445 conditions per place. [2021-04-29 04:09:14,670 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 240 selfloop transitions, 156 changer transitions 2/410 dead transitions. [2021-04-29 04:09:14,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 410 transitions, 16161 flow [2021-04-29 04:09:14,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:14,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:14,671 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:14,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:14,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:14,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:14,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:14,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:14,673 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:14,673 INFO L185 Difference]: Start difference. First operand has 336 places, 406 transitions, 15349 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:14,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 410 transitions, 16161 flow [2021-04-29 04:09:15,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 410 transitions, 15838 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:15,344 INFO L241 Difference]: Finished difference. Result has 339 places, 404 transitions, 15255 flow [2021-04-29 04:09:15,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15034, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15255, PETRI_PLACES=339, PETRI_TRANSITIONS=404} [2021-04-29 04:09:15,344 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 295 predicate places. [2021-04-29 04:09:15,345 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:15,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 339 places, 404 transitions, 15255 flow [2021-04-29 04:09:15,345 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 339 places, 404 transitions, 15255 flow [2021-04-29 04:09:15,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 338 places, 404 transitions, 15255 flow [2021-04-29 04:09:15,757 INFO L129 PetriNetUnfolder]: 0/2079 cut-off events. [2021-04-29 04:09:15,757 INFO L130 PetriNetUnfolder]: For 77230/77568 co-relation queries the response was YES. [2021-04-29 04:09:15,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14593 conditions, 2079 events. 0/2079 cut-off events. For 77230/77568 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 30567 event pairs, 0 based on Foata normal form. 7/2026 useless extension candidates. Maximal degree in co-relation 0. Up to 244 conditions per place. [2021-04-29 04:09:15,778 INFO L146 LiptonReduction]: Number of co-enabled transitions 1894 [2021-04-29 04:09:15,815 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:15,816 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:15,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-04-29 04:09:15,816 INFO L480 AbstractCegarLoop]: Abstraction has has 338 places, 404 transitions, 15255 flow [2021-04-29 04:09:15,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:15,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:15,817 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:15,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-04-29 04:09:15,817 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:15,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:15,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1957926792, now seen corresponding path program 63 times [2021-04-29 04:09:15,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:15,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669411586] [2021-04-29 04:09:15,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:15,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:15,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:15,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:15,848 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:15,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:15,873 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:09:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:09:15,904 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:09:15,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:09:15,936 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:15,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:15,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669411586] [2021-04-29 04:09:15,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:15,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:15,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917715816] [2021-04-29 04:09:15,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:15,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:15,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:15,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:15,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:15,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 404 transitions, 15255 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:15,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:15,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:15,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:16,977 INFO L129 PetriNetUnfolder]: 90/2244 cut-off events. [2021-04-29 04:09:16,977 INFO L130 PetriNetUnfolder]: For 84618/87726 co-relation queries the response was YES. [2021-04-29 04:09:16,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17027 conditions, 2244 events. 90/2244 cut-off events. For 84618/87726 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 31846 event pairs, 66 based on Foata normal form. 52/2204 useless extension candidates. Maximal degree in co-relation 16914. Up to 451 conditions per place. [2021-04-29 04:09:16,997 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 250 selfloop transitions, 178 changer transitions 2/442 dead transitions. [2021-04-29 04:09:16,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 442 transitions, 17524 flow [2021-04-29 04:09:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:16,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:16,998 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:16,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:16,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:16,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:17,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:17,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:17,001 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:17,002 INFO L185 Difference]: Start difference. First operand has 338 places, 404 transitions, 15255 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:17,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 442 transitions, 17524 flow [2021-04-29 04:09:17,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 442 transitions, 17156 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:17,690 INFO L241 Difference]: Finished difference. Result has 343 places, 431 transitions, 16656 flow [2021-04-29 04:09:17,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14950, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16656, PETRI_PLACES=343, PETRI_TRANSITIONS=431} [2021-04-29 04:09:17,691 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 299 predicate places. [2021-04-29 04:09:17,691 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:17,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 343 places, 431 transitions, 16656 flow [2021-04-29 04:09:17,691 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 343 places, 431 transitions, 16656 flow [2021-04-29 04:09:17,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 342 places, 431 transitions, 16656 flow [2021-04-29 04:09:18,134 INFO L129 PetriNetUnfolder]: 0/2071 cut-off events. [2021-04-29 04:09:18,135 INFO L130 PetriNetUnfolder]: For 80716/81062 co-relation queries the response was YES. [2021-04-29 04:09:18,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14671 conditions, 2071 events. 0/2071 cut-off events. For 80716/81062 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 30440 event pairs, 0 based on Foata normal form. 15/2028 useless extension candidates. Maximal degree in co-relation 0. Up to 243 conditions per place. [2021-04-29 04:09:18,156 INFO L146 LiptonReduction]: Number of co-enabled transitions 2016 [2021-04-29 04:09:18,199 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:18,199 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:18,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-04-29 04:09:18,200 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 431 transitions, 16656 flow [2021-04-29 04:09:18,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:18,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:18,200 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:18,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-04-29 04:09:18,200 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:18,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:18,200 INFO L82 PathProgramCache]: Analyzing trace with hash -2135807740, now seen corresponding path program 64 times [2021-04-29 04:09:18,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:18,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411430364] [2021-04-29 04:09:18,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:18,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:18,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:18,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:18,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:18,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:18,228 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:18,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:09:18,244 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:18,268 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:18,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:18,300 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:18,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:18,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411430364] [2021-04-29 04:09:18,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:18,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:18,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468907233] [2021-04-29 04:09:18,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:18,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:18,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:18,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:18,330 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:18,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 431 transitions, 16656 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:18,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:18,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:18,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:19,378 INFO L129 PetriNetUnfolder]: 76/2390 cut-off events. [2021-04-29 04:09:19,379 INFO L130 PetriNetUnfolder]: For 93380/96565 co-relation queries the response was YES. [2021-04-29 04:09:19,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18060 conditions, 2390 events. 76/2390 cut-off events. For 93380/96565 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 34643 event pairs, 64 based on Foata normal form. 36/2335 useless extension candidates. Maximal degree in co-relation 17945. Up to 446 conditions per place. [2021-04-29 04:09:19,402 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 151 changer transitions 2/475 dead transitions. [2021-04-29 04:09:19,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 475 transitions, 19157 flow [2021-04-29 04:09:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:19,403 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:19,403 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:19,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:19,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:19,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:19,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:19,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:19,405 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:19,405 INFO L185 Difference]: Start difference. First operand has 342 places, 431 transitions, 16656 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:19,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 475 transitions, 19157 flow [2021-04-29 04:09:20,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 475 transitions, 19040 flow, removed 30 selfloop flow, removed 3 redundant places. [2021-04-29 04:09:20,208 INFO L241 Difference]: Finished difference. Result has 351 places, 445 transitions, 17597 flow [2021-04-29 04:09:20,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16555, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17597, PETRI_PLACES=351, PETRI_TRANSITIONS=445} [2021-04-29 04:09:20,208 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 307 predicate places. [2021-04-29 04:09:20,208 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:20,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 351 places, 445 transitions, 17597 flow [2021-04-29 04:09:20,209 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 351 places, 445 transitions, 17597 flow [2021-04-29 04:09:20,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 350 places, 445 transitions, 17597 flow [2021-04-29 04:09:20,701 INFO L129 PetriNetUnfolder]: 0/2246 cut-off events. [2021-04-29 04:09:20,702 INFO L130 PetriNetUnfolder]: For 91467/91802 co-relation queries the response was YES. [2021-04-29 04:09:20,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16160 conditions, 2246 events. 0/2246 cut-off events. For 91467/91802 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 33559 event pairs, 0 based on Foata normal form. 15/2195 useless extension candidates. Maximal degree in co-relation 0. Up to 265 conditions per place. [2021-04-29 04:09:20,726 INFO L146 LiptonReduction]: Number of co-enabled transitions 2082 [2021-04-29 04:09:20,772 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:20,772 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:20,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 564 [2021-04-29 04:09:20,773 INFO L480 AbstractCegarLoop]: Abstraction has has 350 places, 445 transitions, 17597 flow [2021-04-29 04:09:20,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:20,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:20,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:20,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-04-29 04:09:20,773 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:20,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:20,773 INFO L82 PathProgramCache]: Analyzing trace with hash 658792612, now seen corresponding path program 65 times [2021-04-29 04:09:20,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:20,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31987882] [2021-04-29 04:09:20,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:20,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:20,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:20,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:20,803 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:20,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:20,832 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:20,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:20,855 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:20,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:20,882 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:20,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:20,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31987882] [2021-04-29 04:09:20,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:20,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:20,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195160725] [2021-04-29 04:09:20,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:20,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:20,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:20,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:20,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:20,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 445 transitions, 17597 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:20,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:20,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:20,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:22,038 INFO L129 PetriNetUnfolder]: 64/2531 cut-off events. [2021-04-29 04:09:22,038 INFO L130 PetriNetUnfolder]: For 104490/107853 co-relation queries the response was YES. [2021-04-29 04:09:22,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19336 conditions, 2531 events. 64/2531 cut-off events. For 104490/107853 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 37387 event pairs, 64 based on Foata normal form. 36/2469 useless extension candidates. Maximal degree in co-relation 19218. Up to 446 conditions per place. [2021-04-29 04:09:22,059 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 320 selfloop transitions, 184 changer transitions 2/518 dead transitions. [2021-04-29 04:09:22,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 518 transitions, 21328 flow [2021-04-29 04:09:22,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:22,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:22,060 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:22,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:22,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:22,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:22,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:22,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:22,068 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:22,068 INFO L185 Difference]: Start difference. First operand has 350 places, 445 transitions, 17597 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:22,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 518 transitions, 21328 flow [2021-04-29 04:09:22,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 518 transitions, 21105 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-04-29 04:09:23,001 INFO L241 Difference]: Finished difference. Result has 358 places, 470 transitions, 19025 flow [2021-04-29 04:09:23,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17418, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19025, PETRI_PLACES=358, PETRI_TRANSITIONS=470} [2021-04-29 04:09:23,002 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 314 predicate places. [2021-04-29 04:09:23,002 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:23,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 358 places, 470 transitions, 19025 flow [2021-04-29 04:09:23,002 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 358 places, 470 transitions, 19025 flow [2021-04-29 04:09:23,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 357 places, 470 transitions, 19025 flow [2021-04-29 04:09:23,546 INFO L129 PetriNetUnfolder]: 0/2413 cut-off events. [2021-04-29 04:09:23,546 INFO L130 PetriNetUnfolder]: For 102916/103211 co-relation queries the response was YES. [2021-04-29 04:09:23,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17676 conditions, 2413 events. 0/2413 cut-off events. For 102916/103211 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 36565 event pairs, 0 based on Foata normal form. 9/2346 useless extension candidates. Maximal degree in co-relation 0. Up to 285 conditions per place. [2021-04-29 04:09:23,572 INFO L146 LiptonReduction]: Number of co-enabled transitions 2252 [2021-04-29 04:09:23,621 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:23,622 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:23,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 620 [2021-04-29 04:09:23,622 INFO L480 AbstractCegarLoop]: Abstraction has has 357 places, 470 transitions, 19025 flow [2021-04-29 04:09:23,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:23,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:23,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:23,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-04-29 04:09:23,623 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:23,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:23,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2076101074, now seen corresponding path program 66 times [2021-04-29 04:09:23,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:23,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029924460] [2021-04-29 04:09:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:23,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:23,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:23,654 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:23,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:23,675 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:09:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:09:23,693 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:23,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:23,722 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:23,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:23,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029924460] [2021-04-29 04:09:23,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:23,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:23,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929030235] [2021-04-29 04:09:23,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:23,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:23,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:23,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:23,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 470 transitions, 19025 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:23,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:23,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:23,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:24,979 INFO L129 PetriNetUnfolder]: 64/2526 cut-off events. [2021-04-29 04:09:24,979 INFO L130 PetriNetUnfolder]: For 109403/112666 co-relation queries the response was YES. [2021-04-29 04:09:24,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19698 conditions, 2526 events. 64/2526 cut-off events. For 109403/112666 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 37331 event pairs, 56 based on Foata normal form. 52/2485 useless extension candidates. Maximal degree in co-relation 19577. Up to 471 conditions per place. [2021-04-29 04:09:25,000 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 306 selfloop transitions, 193 changer transitions 2/513 dead transitions. [2021-04-29 04:09:25,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 513 transitions, 21527 flow [2021-04-29 04:09:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:25,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:25,002 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:25,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:25,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:25,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:25,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:25,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:25,004 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:25,004 INFO L185 Difference]: Start difference. First operand has 357 places, 470 transitions, 19025 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:25,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 513 transitions, 21527 flow [2021-04-29 04:09:25,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 513 transitions, 21297 flow, removed 30 selfloop flow, removed 4 redundant places. [2021-04-29 04:09:25,983 INFO L241 Difference]: Finished difference. Result has 365 places, 483 transitions, 19873 flow [2021-04-29 04:09:25,983 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18810, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19873, PETRI_PLACES=365, PETRI_TRANSITIONS=483} [2021-04-29 04:09:25,984 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 321 predicate places. [2021-04-29 04:09:25,984 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:25,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 365 places, 483 transitions, 19873 flow [2021-04-29 04:09:25,984 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 365 places, 483 transitions, 19873 flow [2021-04-29 04:09:25,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 364 places, 483 transitions, 19873 flow [2021-04-29 04:09:26,539 INFO L129 PetriNetUnfolder]: 0/2405 cut-off events. [2021-04-29 04:09:26,540 INFO L130 PetriNetUnfolder]: For 107421/107715 co-relation queries the response was YES. [2021-04-29 04:09:26,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17959 conditions, 2405 events. 0/2405 cut-off events. For 107421/107715 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 36364 event pairs, 0 based on Foata normal form. 9/2338 useless extension candidates. Maximal degree in co-relation 0. Up to 284 conditions per place. [2021-04-29 04:09:26,566 INFO L146 LiptonReduction]: Number of co-enabled transitions 2342 [2021-04-29 04:09:26,620 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:26,620 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:26,620 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 636 [2021-04-29 04:09:26,621 INFO L480 AbstractCegarLoop]: Abstraction has has 364 places, 483 transitions, 19873 flow [2021-04-29 04:09:26,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:26,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:26,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:26,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-04-29 04:09:26,622 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:26,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:26,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1577512784, now seen corresponding path program 67 times [2021-04-29 04:09:26,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:26,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472410505] [2021-04-29 04:09:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:26,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:26,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:26,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:26,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:26,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:26,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:26,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:26,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:09:26,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:26,686 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:26,716 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:26,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:26,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472410505] [2021-04-29 04:09:26,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:26,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:26,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477012347] [2021-04-29 04:09:26,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:26,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:26,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:26,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:26,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:26,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 483 transitions, 19873 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:26,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:26,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:26,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:28,063 INFO L129 PetriNetUnfolder]: 64/2515 cut-off events. [2021-04-29 04:09:28,063 INFO L130 PetriNetUnfolder]: For 113893/117150 co-relation queries the response was YES. [2021-04-29 04:09:28,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19983 conditions, 2515 events. 64/2515 cut-off events. For 113893/117150 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 37051 event pairs, 56 based on Foata normal form. 36/2455 useless extension candidates. Maximal degree in co-relation 19859. Up to 463 conditions per place. [2021-04-29 04:09:28,081 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 293 selfloop transitions, 189 changer transitions 1/495 dead transitions. [2021-04-29 04:09:28,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 495 transitions, 21175 flow [2021-04-29 04:09:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:28,082 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:28,082 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:28,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:28,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:28,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:28,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:28,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:28,084 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:28,084 INFO L185 Difference]: Start difference. First operand has 364 places, 483 transitions, 19873 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:28,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 495 transitions, 21175 flow [2021-04-29 04:09:29,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 495 transitions, 20776 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:29,058 INFO L241 Difference]: Finished difference. Result has 368 places, 486 transitions, 20063 flow [2021-04-29 04:09:29,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19498, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20063, PETRI_PLACES=368, PETRI_TRANSITIONS=486} [2021-04-29 04:09:29,059 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 324 predicate places. [2021-04-29 04:09:29,059 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:29,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 486 transitions, 20063 flow [2021-04-29 04:09:29,059 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 486 transitions, 20063 flow [2021-04-29 04:09:29,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 366 places, 486 transitions, 20063 flow [2021-04-29 04:09:29,633 INFO L129 PetriNetUnfolder]: 0/2399 cut-off events. [2021-04-29 04:09:29,634 INFO L130 PetriNetUnfolder]: For 106056/106400 co-relation queries the response was YES. [2021-04-29 04:09:29,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18100 conditions, 2399 events. 0/2399 cut-off events. For 106056/106400 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 36323 event pairs, 0 based on Foata normal form. 9/2343 useless extension candidates. Maximal degree in co-relation 0. Up to 283 conditions per place. [2021-04-29 04:09:29,660 INFO L146 LiptonReduction]: Number of co-enabled transitions 2358 [2021-04-29 04:09:29,715 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:29,715 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:29,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 657 [2021-04-29 04:09:29,716 INFO L480 AbstractCegarLoop]: Abstraction has has 366 places, 486 transitions, 20063 flow [2021-04-29 04:09:29,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:29,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:29,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:29,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-04-29 04:09:29,717 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:29,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:29,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1061411984, now seen corresponding path program 68 times [2021-04-29 04:09:29,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:29,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249865217] [2021-04-29 04:09:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:29,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:29,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:29,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:29,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:29,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:29,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:29,749 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:29,773 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:09:29,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:09:29,811 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:29,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:29,842 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:29,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:29,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249865217] [2021-04-29 04:09:29,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:29,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:29,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358588559] [2021-04-29 04:09:29,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:29,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:29,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:29,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:29,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:29,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 486 transitions, 20063 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:29,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:29,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:29,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:31,154 INFO L129 PetriNetUnfolder]: 64/2512 cut-off events. [2021-04-29 04:09:31,154 INFO L130 PetriNetUnfolder]: For 112371/115703 co-relation queries the response was YES. [2021-04-29 04:09:31,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20133 conditions, 2512 events. 64/2512 cut-off events. For 112371/115703 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 37089 event pairs, 56 based on Foata normal form. 52/2471 useless extension candidates. Maximal degree in co-relation 20009. Up to 471 conditions per place. [2021-04-29 04:09:31,176 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 297 selfloop transitions, 201 changer transitions 2/512 dead transitions. [2021-04-29 04:09:31,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 512 transitions, 21942 flow [2021-04-29 04:09:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:31,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:31,177 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:31,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:31,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:31,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:31,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:31,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:31,179 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:31,179 INFO L185 Difference]: Start difference. First operand has 366 places, 486 transitions, 20063 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:31,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 512 transitions, 21942 flow [2021-04-29 04:09:32,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 512 transitions, 21588 flow, removed 23 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:32,180 INFO L241 Difference]: Finished difference. Result has 370 places, 494 transitions, 20458 flow [2021-04-29 04:09:32,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19726, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20458, PETRI_PLACES=370, PETRI_TRANSITIONS=494} [2021-04-29 04:09:32,181 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 326 predicate places. [2021-04-29 04:09:32,181 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:32,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 370 places, 494 transitions, 20458 flow [2021-04-29 04:09:32,181 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 370 places, 494 transitions, 20458 flow [2021-04-29 04:09:32,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 369 places, 494 transitions, 20458 flow [2021-04-29 04:09:32,733 INFO L129 PetriNetUnfolder]: 0/2392 cut-off events. [2021-04-29 04:09:32,734 INFO L130 PetriNetUnfolder]: For 106378/106672 co-relation queries the response was YES. [2021-04-29 04:09:32,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18135 conditions, 2392 events. 0/2392 cut-off events. For 106378/106672 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 36150 event pairs, 0 based on Foata normal form. 9/2329 useless extension candidates. Maximal degree in co-relation 0. Up to 282 conditions per place. [2021-04-29 04:09:32,759 INFO L146 LiptonReduction]: Number of co-enabled transitions 2376 [2021-04-29 04:09:32,815 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:32,815 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:32,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 634 [2021-04-29 04:09:32,816 INFO L480 AbstractCegarLoop]: Abstraction has has 369 places, 494 transitions, 20458 flow [2021-04-29 04:09:32,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:32,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:32,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:32,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-04-29 04:09:32,816 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:32,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:32,817 INFO L82 PathProgramCache]: Analyzing trace with hash -323408046, now seen corresponding path program 69 times [2021-04-29 04:09:32,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:32,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181368944] [2021-04-29 04:09:32,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:32,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:32,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:32,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:32,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:32,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:32,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:32,844 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:32,863 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:09:32,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:09:32,896 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:09:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:09:32,929 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:32,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181368944] [2021-04-29 04:09:32,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:32,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:32,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270451246] [2021-04-29 04:09:32,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:32,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:32,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:32,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:32,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:32,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 494 transitions, 20458 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:32,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:32,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:32,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:34,229 INFO L129 PetriNetUnfolder]: 64/2505 cut-off events. [2021-04-29 04:09:34,230 INFO L130 PetriNetUnfolder]: For 112556/115807 co-relation queries the response was YES. [2021-04-29 04:09:34,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20165 conditions, 2505 events. 64/2505 cut-off events. For 112556/115807 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 36933 event pairs, 56 based on Foata normal form. 50/2462 useless extension candidates. Maximal degree in co-relation 20041. Up to 471 conditions per place. [2021-04-29 04:09:34,251 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 296 selfloop transitions, 199 changer transitions 3/510 dead transitions. [2021-04-29 04:09:34,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 510 transitions, 21975 flow [2021-04-29 04:09:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:34,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:34,253 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:34,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:34,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:34,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:34,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:34,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:34,254 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:34,254 INFO L185 Difference]: Start difference. First operand has 369 places, 494 transitions, 20458 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:34,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 510 transitions, 21975 flow [2021-04-29 04:09:35,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 510 transitions, 21614 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:35,327 INFO L241 Difference]: Finished difference. Result has 373 places, 494 transitions, 20556 flow [2021-04-29 04:09:35,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20105, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20556, PETRI_PLACES=373, PETRI_TRANSITIONS=494} [2021-04-29 04:09:35,328 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 329 predicate places. [2021-04-29 04:09:35,328 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:35,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 494 transitions, 20556 flow [2021-04-29 04:09:35,328 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 494 transitions, 20556 flow [2021-04-29 04:09:35,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 372 places, 494 transitions, 20556 flow [2021-04-29 04:09:35,869 INFO L129 PetriNetUnfolder]: 0/2383 cut-off events. [2021-04-29 04:09:35,869 INFO L130 PetriNetUnfolder]: For 106037/106381 co-relation queries the response was YES. [2021-04-29 04:09:35,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18139 conditions, 2383 events. 0/2383 cut-off events. For 106037/106381 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 35950 event pairs, 0 based on Foata normal form. 9/2319 useless extension candidates. Maximal degree in co-relation 0. Up to 281 conditions per place. [2021-04-29 04:09:35,894 INFO L146 LiptonReduction]: Number of co-enabled transitions 2370 [2021-04-29 04:09:35,956 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:35,957 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:35,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 629 [2021-04-29 04:09:35,957 INFO L480 AbstractCegarLoop]: Abstraction has has 372 places, 494 transitions, 20556 flow [2021-04-29 04:09:35,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:35,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:35,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:35,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-04-29 04:09:35,958 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:35,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:35,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1894353458, now seen corresponding path program 70 times [2021-04-29 04:09:35,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:35,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90360597] [2021-04-29 04:09:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:35,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:35,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:35,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:35,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:35,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:35,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:35,991 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:35,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:36,020 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:09:36,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:09:36,041 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:09:36,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:09:36,070 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:36,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:36,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90360597] [2021-04-29 04:09:36,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:36,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:36,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400708799] [2021-04-29 04:09:36,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:36,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:36,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:36,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:36,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:36,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 494 transitions, 20556 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:36,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:36,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:36,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:37,344 INFO L129 PetriNetUnfolder]: 64/2496 cut-off events. [2021-04-29 04:09:37,344 INFO L130 PetriNetUnfolder]: For 112099/115349 co-relation queries the response was YES. [2021-04-29 04:09:37,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20165 conditions, 2496 events. 64/2496 cut-off events. For 112099/115349 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 36715 event pairs, 56 based on Foata normal form. 50/2453 useless extension candidates. Maximal degree in co-relation 20041. Up to 471 conditions per place. [2021-04-29 04:09:37,366 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 215 changer transitions 1/501 dead transitions. [2021-04-29 04:09:37,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 501 transitions, 21640 flow [2021-04-29 04:09:37,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:37,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:37,367 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:37,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:37,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:37,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:37,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:37,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:37,369 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:37,369 INFO L185 Difference]: Start difference. First operand has 372 places, 494 transitions, 20556 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:37,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 501 transitions, 21640 flow [2021-04-29 04:09:38,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 501 transitions, 21245 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:38,439 INFO L241 Difference]: Finished difference. Result has 375 places, 493 transitions, 20539 flow [2021-04-29 04:09:38,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20169, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20539, PETRI_PLACES=375, PETRI_TRANSITIONS=493} [2021-04-29 04:09:38,439 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 331 predicate places. [2021-04-29 04:09:38,439 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:38,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 375 places, 493 transitions, 20539 flow [2021-04-29 04:09:38,440 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 375 places, 493 transitions, 20539 flow [2021-04-29 04:09:38,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 374 places, 493 transitions, 20539 flow [2021-04-29 04:09:38,990 INFO L129 PetriNetUnfolder]: 0/2380 cut-off events. [2021-04-29 04:09:38,990 INFO L130 PetriNetUnfolder]: For 105722/106019 co-relation queries the response was YES. [2021-04-29 04:09:38,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18125 conditions, 2380 events. 0/2380 cut-off events. For 105722/106019 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 35889 event pairs, 0 based on Foata normal form. 9/2319 useless extension candidates. Maximal degree in co-relation 0. Up to 280 conditions per place. [2021-04-29 04:09:39,015 INFO L146 LiptonReduction]: Number of co-enabled transitions 2360 [2021-04-29 04:09:39,070 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:39,070 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:39,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 631 [2021-04-29 04:09:39,070 INFO L480 AbstractCegarLoop]: Abstraction has has 374 places, 493 transitions, 20539 flow [2021-04-29 04:09:39,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:39,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:39,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:39,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-04-29 04:09:39,071 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:39,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:39,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1171908762, now seen corresponding path program 71 times [2021-04-29 04:09:39,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:39,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845859526] [2021-04-29 04:09:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:39,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:39,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:39,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:39,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:39,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:39,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:39,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:39,127 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:09:39,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:09:39,149 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:39,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:39,180 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:39,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845859526] [2021-04-29 04:09:39,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:39,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:39,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506179207] [2021-04-29 04:09:39,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:39,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:39,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:39,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:39,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 493 transitions, 20539 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:39,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:39,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:39,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:40,513 INFO L129 PetriNetUnfolder]: 64/2493 cut-off events. [2021-04-29 04:09:40,513 INFO L130 PetriNetUnfolder]: For 111899/115154 co-relation queries the response was YES. [2021-04-29 04:09:40,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20149 conditions, 2493 events. 64/2493 cut-off events. For 111899/115154 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 36672 event pairs, 56 based on Foata normal form. 52/2451 useless extension candidates. Maximal degree in co-relation 20025. Up to 471 conditions per place. [2021-04-29 04:09:40,534 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 213 changer transitions 2/500 dead transitions. [2021-04-29 04:09:40,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 500 transitions, 21621 flow [2021-04-29 04:09:40,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:40,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:40,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:40,536 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:40,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:40,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:40,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:40,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:40,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:40,537 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:40,537 INFO L185 Difference]: Start difference. First operand has 374 places, 493 transitions, 20539 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:40,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 500 transitions, 21621 flow [2021-04-29 04:09:41,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 500 transitions, 21249 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-04-29 04:09:41,553 INFO L241 Difference]: Finished difference. Result has 378 places, 491 transitions, 20505 flow [2021-04-29 04:09:41,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20175, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20505, PETRI_PLACES=378, PETRI_TRANSITIONS=491} [2021-04-29 04:09:41,554 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 334 predicate places. [2021-04-29 04:09:41,554 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:41,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 378 places, 491 transitions, 20505 flow [2021-04-29 04:09:41,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 378 places, 491 transitions, 20505 flow [2021-04-29 04:09:41,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 491 transitions, 20505 flow [2021-04-29 04:09:42,100 INFO L129 PetriNetUnfolder]: 0/2369 cut-off events. [2021-04-29 04:09:42,101 INFO L130 PetriNetUnfolder]: For 105008/105343 co-relation queries the response was YES. [2021-04-29 04:09:42,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18079 conditions, 2369 events. 0/2369 cut-off events. For 105008/105343 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 35674 event pairs, 0 based on Foata normal form. 9/2309 useless extension candidates. Maximal degree in co-relation 0. Up to 279 conditions per place. [2021-04-29 04:09:42,126 INFO L146 LiptonReduction]: Number of co-enabled transitions 2344 [2021-04-29 04:09:42,180 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:42,180 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:42,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 626 [2021-04-29 04:09:42,181 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 491 transitions, 20505 flow [2021-04-29 04:09:42,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:42,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:42,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:42,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-04-29 04:09:42,181 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:42,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:42,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1024334096, now seen corresponding path program 72 times [2021-04-29 04:09:42,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:42,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595730125] [2021-04-29 04:09:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:42,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:42,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:42,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:42,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:42,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:42,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:42,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:42,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:42,239 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:09:42,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:09:42,275 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:42,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:42,306 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:42,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:42,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595730125] [2021-04-29 04:09:42,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:42,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:42,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157541524] [2021-04-29 04:09:42,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:42,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:42,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:42,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:42,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:42,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 491 transitions, 20505 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:42,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:42,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:42,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:43,576 INFO L129 PetriNetUnfolder]: 64/2482 cut-off events. [2021-04-29 04:09:43,576 INFO L130 PetriNetUnfolder]: For 110994/114227 co-relation queries the response was YES. [2021-04-29 04:09:43,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20098 conditions, 2482 events. 64/2482 cut-off events. For 110994/114227 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 36487 event pairs, 56 based on Foata normal form. 49/2439 useless extension candidates. Maximal degree in co-relation 19974. Up to 471 conditions per place. [2021-04-29 04:09:43,598 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 281 selfloop transitions, 204 changer transitions 1/498 dead transitions. [2021-04-29 04:09:43,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 498 transitions, 21583 flow [2021-04-29 04:09:43,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:43,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:43,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:43,599 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:43,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:43,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:43,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:43,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:43,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:43,601 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:43,601 INFO L185 Difference]: Start difference. First operand has 377 places, 491 transitions, 20505 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:43,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 498 transitions, 21583 flow [2021-04-29 04:09:44,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 498 transitions, 21171 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:44,644 INFO L241 Difference]: Finished difference. Result has 380 places, 490 transitions, 20451 flow [2021-04-29 04:09:44,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20101, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20451, PETRI_PLACES=380, PETRI_TRANSITIONS=490} [2021-04-29 04:09:44,645 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 336 predicate places. [2021-04-29 04:09:44,645 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:44,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 490 transitions, 20451 flow [2021-04-29 04:09:44,646 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 490 transitions, 20451 flow [2021-04-29 04:09:44,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 490 transitions, 20451 flow [2021-04-29 04:09:45,218 INFO L129 PetriNetUnfolder]: 0/2362 cut-off events. [2021-04-29 04:09:45,219 INFO L130 PetriNetUnfolder]: For 104682/105019 co-relation queries the response was YES. [2021-04-29 04:09:45,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18058 conditions, 2362 events. 0/2362 cut-off events. For 104682/105019 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 35572 event pairs, 0 based on Foata normal form. 8/2302 useless extension candidates. Maximal degree in co-relation 0. Up to 278 conditions per place. [2021-04-29 04:09:45,244 INFO L146 LiptonReduction]: Number of co-enabled transitions 2342 [2021-04-29 04:09:45,300 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:45,300 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:45,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 655 [2021-04-29 04:09:45,300 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 490 transitions, 20451 flow [2021-04-29 04:09:45,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:45,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:45,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:45,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-04-29 04:09:45,301 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:45,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:45,301 INFO L82 PathProgramCache]: Analyzing trace with hash -22554488, now seen corresponding path program 73 times [2021-04-29 04:09:45,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:45,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791512581] [2021-04-29 04:09:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:45,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:45,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:45,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:45,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:45,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:45,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:45,328 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:45,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:09:45,342 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:09:45,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:09:45,371 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:09:45,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:09:45,401 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:45,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:45,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791512581] [2021-04-29 04:09:45,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:45,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:45,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342396869] [2021-04-29 04:09:45,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:45,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:45,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:45,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:45,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:45,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 490 transitions, 20451 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:45,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:45,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:45,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:46,688 INFO L129 PetriNetUnfolder]: 64/2475 cut-off events. [2021-04-29 04:09:46,688 INFO L130 PetriNetUnfolder]: For 110718/113950 co-relation queries the response was YES. [2021-04-29 04:09:46,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20075 conditions, 2475 events. 64/2475 cut-off events. For 110718/113950 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 36353 event pairs, 56 based on Foata normal form. 49/2432 useless extension candidates. Maximal degree in co-relation 19951. Up to 471 conditions per place. [2021-04-29 04:09:46,713 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 263 selfloop transitions, 220 changer transitions 2/497 dead transitions. [2021-04-29 04:09:46,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 497 transitions, 21527 flow [2021-04-29 04:09:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:46,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:46,715 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:46,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:46,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:46,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:46,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:46,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:46,716 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:46,716 INFO L185 Difference]: Start difference. First operand has 379 places, 490 transitions, 20451 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:46,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 497 transitions, 21527 flow [2021-04-29 04:09:47,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 497 transitions, 21125 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:09:47,749 INFO L241 Difference]: Finished difference. Result has 382 places, 488 transitions, 20394 flow [2021-04-29 04:09:47,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20057, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20394, PETRI_PLACES=382, PETRI_TRANSITIONS=488} [2021-04-29 04:09:47,749 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 338 predicate places. [2021-04-29 04:09:47,749 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:47,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 488 transitions, 20394 flow [2021-04-29 04:09:47,750 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 488 transitions, 20394 flow [2021-04-29 04:09:47,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 488 transitions, 20394 flow [2021-04-29 04:09:48,294 INFO L129 PetriNetUnfolder]: 0/2355 cut-off events. [2021-04-29 04:09:48,295 INFO L130 PetriNetUnfolder]: For 104484/104932 co-relation queries the response was YES. [2021-04-29 04:09:48,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18021 conditions, 2355 events. 0/2355 cut-off events. For 104484/104932 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 35456 event pairs, 0 based on Foata normal form. 10/2298 useless extension candidates. Maximal degree in co-relation 0. Up to 277 conditions per place. [2021-04-29 04:09:48,320 INFO L146 LiptonReduction]: Number of co-enabled transitions 2326 [2021-04-29 04:09:48,373 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:48,373 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:48,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-04-29 04:09:48,374 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 488 transitions, 20394 flow [2021-04-29 04:09:48,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:48,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:48,374 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:48,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-04-29 04:09:48,374 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:48,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:48,374 INFO L82 PathProgramCache]: Analyzing trace with hash 326937310, now seen corresponding path program 74 times [2021-04-29 04:09:48,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:48,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933735891] [2021-04-29 04:09:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:48,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:48,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:48,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:48,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:48,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:48,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:48,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:09:48,415 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:09:48,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:09:48,437 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:48,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:48,465 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:48,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:48,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933735891] [2021-04-29 04:09:48,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:48,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:48,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407188961] [2021-04-29 04:09:48,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:48,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:48,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:48,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:48,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:48,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 488 transitions, 20394 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:48,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:48,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:48,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:49,780 INFO L129 PetriNetUnfolder]: 64/2468 cut-off events. [2021-04-29 04:09:49,780 INFO L130 PetriNetUnfolder]: For 110200/113429 co-relation queries the response was YES. [2021-04-29 04:09:49,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20035 conditions, 2468 events. 64/2468 cut-off events. For 110200/113429 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 36232 event pairs, 56 based on Foata normal form. 47/2424 useless extension candidates. Maximal degree in co-relation 19911. Up to 471 conditions per place. [2021-04-29 04:09:49,891 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 257 selfloop transitions, 225 changer transitions 1/495 dead transitions. [2021-04-29 04:09:49,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 495 transitions, 21466 flow [2021-04-29 04:09:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:49,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:49,892 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:49,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:49,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:49,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:49,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:49,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:49,894 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:49,894 INFO L185 Difference]: Start difference. First operand has 381 places, 488 transitions, 20394 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:49,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 495 transitions, 21466 flow [2021-04-29 04:09:50,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 495 transitions, 21253 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-04-29 04:09:50,876 INFO L241 Difference]: Finished difference. Result has 386 places, 487 transitions, 20576 flow [2021-04-29 04:09:50,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20189, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20576, PETRI_PLACES=386, PETRI_TRANSITIONS=487} [2021-04-29 04:09:50,877 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 342 predicate places. [2021-04-29 04:09:50,877 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:50,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 487 transitions, 20576 flow [2021-04-29 04:09:50,877 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 487 transitions, 20576 flow [2021-04-29 04:09:50,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 487 transitions, 20576 flow [2021-04-29 04:09:51,417 INFO L129 PetriNetUnfolder]: 0/2351 cut-off events. [2021-04-29 04:09:51,417 INFO L130 PetriNetUnfolder]: For 104565/104865 co-relation queries the response was YES. [2021-04-29 04:09:51,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18206 conditions, 2351 events. 0/2351 cut-off events. For 104565/104865 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 35387 event pairs, 0 based on Foata normal form. 9/2295 useless extension candidates. Maximal degree in co-relation 0. Up to 276 conditions per place. [2021-04-29 04:09:51,442 INFO L146 LiptonReduction]: Number of co-enabled transitions 2318 [2021-04-29 04:09:51,527 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:51,528 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:51,528 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 651 [2021-04-29 04:09:51,528 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 487 transitions, 20576 flow [2021-04-29 04:09:51,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:51,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:51,529 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:51,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-04-29 04:09:51,529 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:51,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:51,529 INFO L82 PathProgramCache]: Analyzing trace with hash 190516096, now seen corresponding path program 75 times [2021-04-29 04:09:51,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:51,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792610238] [2021-04-29 04:09:51,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:51,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:51,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:51,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:51,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:51,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:51,561 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:51,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:51,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:09:51,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:09:51,615 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:51,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:51,642 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:51,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:51,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792610238] [2021-04-29 04:09:51,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:51,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:51,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406028727] [2021-04-29 04:09:51,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:51,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:51,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:51,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:51,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:51,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 487 transitions, 20576 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:51,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:51,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:51,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:52,953 INFO L129 PetriNetUnfolder]: 64/2464 cut-off events. [2021-04-29 04:09:52,953 INFO L130 PetriNetUnfolder]: For 110586/113818 co-relation queries the response was YES. [2021-04-29 04:09:52,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20226 conditions, 2464 events. 64/2464 cut-off events. For 110586/113818 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 36157 event pairs, 56 based on Foata normal form. 49/2423 useless extension candidates. Maximal degree in co-relation 20102. Up to 471 conditions per place. [2021-04-29 04:09:52,975 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 275 selfloop transitions, 205 changer transitions 2/494 dead transitions. [2021-04-29 04:09:52,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 494 transitions, 21646 flow [2021-04-29 04:09:52,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:52,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:52,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:52,976 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:52,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:52,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:52,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:52,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:52,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:52,977 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:52,977 INFO L185 Difference]: Start difference. First operand has 385 places, 487 transitions, 20576 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:52,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 494 transitions, 21646 flow [2021-04-29 04:09:53,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 494 transitions, 21251 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-04-29 04:09:53,985 INFO L241 Difference]: Finished difference. Result has 389 places, 485 transitions, 20492 flow [2021-04-29 04:09:53,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20189, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20492, PETRI_PLACES=389, PETRI_TRANSITIONS=485} [2021-04-29 04:09:53,985 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 345 predicate places. [2021-04-29 04:09:53,985 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:53,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 389 places, 485 transitions, 20492 flow [2021-04-29 04:09:53,986 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 389 places, 485 transitions, 20492 flow [2021-04-29 04:09:53,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 485 transitions, 20492 flow [2021-04-29 04:09:54,530 INFO L129 PetriNetUnfolder]: 0/2343 cut-off events. [2021-04-29 04:09:54,530 INFO L130 PetriNetUnfolder]: For 103897/104191 co-relation queries the response was YES. [2021-04-29 04:09:54,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18200 conditions, 2343 events. 0/2343 cut-off events. For 103897/104191 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 35268 event pairs, 0 based on Foata normal form. 9/2286 useless extension candidates. Maximal degree in co-relation 0. Up to 275 conditions per place. [2021-04-29 04:09:54,556 INFO L146 LiptonReduction]: Number of co-enabled transitions 2308 [2021-04-29 04:09:54,612 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:54,612 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:54,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 627 [2021-04-29 04:09:54,613 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 485 transitions, 20492 flow [2021-04-29 04:09:54,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:54,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:54,613 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:54,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-04-29 04:09:54,613 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:54,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:54,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1679921092, now seen corresponding path program 76 times [2021-04-29 04:09:54,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:54,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712092013] [2021-04-29 04:09:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:54,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:54,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:54,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:54,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:54,640 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:54,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:54,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:09:54,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:09:54,693 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:54,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:54,720 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:54,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:54,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712092013] [2021-04-29 04:09:54,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:54,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:54,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136216125] [2021-04-29 04:09:54,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:54,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:54,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:54,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:54,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:54,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 485 transitions, 20492 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:54,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:54,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:54,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:55,974 INFO L129 PetriNetUnfolder]: 64/2456 cut-off events. [2021-04-29 04:09:55,975 INFO L130 PetriNetUnfolder]: For 109505/112501 co-relation queries the response was YES. [2021-04-29 04:09:55,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20217 conditions, 2456 events. 64/2456 cut-off events. For 109505/112501 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 35993 event pairs, 56 based on Foata normal form. 46/2412 useless extension candidates. Maximal degree in co-relation 20093. Up to 471 conditions per place. [2021-04-29 04:09:55,996 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 202 changer transitions 1/492 dead transitions. [2021-04-29 04:09:55,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 492 transitions, 21558 flow [2021-04-29 04:09:55,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:55,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:55,997 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:55,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:55,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:55,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:55,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:55,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:55,999 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:55,999 INFO L185 Difference]: Start difference. First operand has 388 places, 485 transitions, 20492 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:55,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 492 transitions, 21558 flow [2021-04-29 04:09:56,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 492 transitions, 21215 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-29 04:09:57,009 INFO L241 Difference]: Finished difference. Result has 392 places, 484 transitions, 20502 flow [2021-04-29 04:09:57,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20157, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20502, PETRI_PLACES=392, PETRI_TRANSITIONS=484} [2021-04-29 04:09:57,009 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 348 predicate places. [2021-04-29 04:09:57,009 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:57,010 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 392 places, 484 transitions, 20502 flow [2021-04-29 04:09:57,010 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 392 places, 484 transitions, 20502 flow [2021-04-29 04:09:57,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 391 places, 484 transitions, 20502 flow [2021-04-29 04:09:57,537 INFO L129 PetriNetUnfolder]: 0/2336 cut-off events. [2021-04-29 04:09:57,537 INFO L130 PetriNetUnfolder]: For 103898/104235 co-relation queries the response was YES. [2021-04-29 04:09:57,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18237 conditions, 2336 events. 0/2336 cut-off events. For 103898/104235 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 35100 event pairs, 0 based on Foata normal form. 8/2277 useless extension candidates. Maximal degree in co-relation 0. Up to 274 conditions per place. [2021-04-29 04:09:57,562 INFO L146 LiptonReduction]: Number of co-enabled transitions 2306 [2021-04-29 04:09:57,612 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:57,612 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:57,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 603 [2021-04-29 04:09:57,613 INFO L480 AbstractCegarLoop]: Abstraction has has 391 places, 484 transitions, 20502 flow [2021-04-29 04:09:57,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:57,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:57,613 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:09:57,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-04-29 04:09:57,613 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:57,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1076348288, now seen corresponding path program 77 times [2021-04-29 04:09:57,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:57,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076714294] [2021-04-29 04:09:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:57,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:57,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:09:57,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:57,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:09:57,644 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:09:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:09:57,658 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:09:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:09:57,678 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:09:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:09:57,708 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:09:57,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:09:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:57,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076714294] [2021-04-29 04:09:57,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:57,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:09:57,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747402166] [2021-04-29 04:09:57,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:09:57,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:57,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:09:57,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:09:57,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:09:57,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 484 transitions, 20502 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:09:57,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:57,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:09:57,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:59,415 INFO L129 PetriNetUnfolder]: 64/2449 cut-off events. [2021-04-29 04:09:59,415 INFO L130 PetriNetUnfolder]: For 109370/112367 co-relation queries the response was YES. [2021-04-29 04:09:59,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20252 conditions, 2449 events. 64/2449 cut-off events. For 109370/112367 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 35802 event pairs, 56 based on Foata normal form. 46/2405 useless extension candidates. Maximal degree in co-relation 20128. Up to 471 conditions per place. [2021-04-29 04:09:59,436 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 217 changer transitions 2/491 dead transitions. [2021-04-29 04:09:59,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 491 transitions, 21566 flow [2021-04-29 04:09:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:09:59,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:09:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:09:59,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:09:59,442 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:09:59,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:09:59,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:59,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:09:59,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:59,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:59,444 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:59,444 INFO L185 Difference]: Start difference. First operand has 391 places, 484 transitions, 20502 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:09:59,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 491 transitions, 21566 flow [2021-04-29 04:10:00,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 491 transitions, 21166 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:00,430 INFO L241 Difference]: Finished difference. Result has 395 places, 483 transitions, 20538 flow [2021-04-29 04:10:00,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20110, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20538, PETRI_PLACES=395, PETRI_TRANSITIONS=483} [2021-04-29 04:10:00,431 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 351 predicate places. [2021-04-29 04:10:00,431 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:00,431 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 483 transitions, 20538 flow [2021-04-29 04:10:00,431 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 483 transitions, 20538 flow [2021-04-29 04:10:00,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 483 transitions, 20538 flow [2021-04-29 04:10:00,957 INFO L129 PetriNetUnfolder]: 0/2329 cut-off events. [2021-04-29 04:10:00,957 INFO L130 PetriNetUnfolder]: For 104191/104485 co-relation queries the response was YES. [2021-04-29 04:10:00,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18209 conditions, 2329 events. 0/2329 cut-off events. For 104191/104485 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 34942 event pairs, 0 based on Foata normal form. 9/2274 useless extension candidates. Maximal degree in co-relation 0. Up to 273 conditions per place. [2021-04-29 04:10:00,983 INFO L146 LiptonReduction]: Number of co-enabled transitions 2298 [2021-04-29 04:10:01,068 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:01,068 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:01,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 637 [2021-04-29 04:10:01,069 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 483 transitions, 20538 flow [2021-04-29 04:10:01,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:01,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:01,069 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:01,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-04-29 04:10:01,069 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:01,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:01,070 INFO L82 PathProgramCache]: Analyzing trace with hash 2044507286, now seen corresponding path program 78 times [2021-04-29 04:10:01,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:01,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30555942] [2021-04-29 04:10:01,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:01,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:01,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:01,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:01,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:01,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:01,097 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:01,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:01,111 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:01,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:01,129 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:01,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:01,156 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:01,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:01,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30555942] [2021-04-29 04:10:01,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:01,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:01,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599510853] [2021-04-29 04:10:01,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:01,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:01,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:01,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:01,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:01,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 483 transitions, 20538 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:01,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:01,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:01,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:02,535 INFO L129 PetriNetUnfolder]: 64/2442 cut-off events. [2021-04-29 04:10:02,536 INFO L130 PetriNetUnfolder]: For 109838/112830 co-relation queries the response was YES. [2021-04-29 04:10:02,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20221 conditions, 2442 events. 64/2442 cut-off events. For 109838/112830 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 35723 event pairs, 56 based on Foata normal form. 44/2396 useless extension candidates. Maximal degree in co-relation 20096. Up to 471 conditions per place. [2021-04-29 04:10:02,557 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 214 changer transitions 2/488 dead transitions. [2021-04-29 04:10:02,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 488 transitions, 21556 flow [2021-04-29 04:10:02,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:10:02,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:10:02,559 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:10:02,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:10:02,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:02,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:10:02,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:02,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:02,560 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:02,560 INFO L185 Difference]: Start difference. First operand has 394 places, 483 transitions, 20538 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:10:02,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 488 transitions, 21556 flow [2021-04-29 04:10:03,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 488 transitions, 21197 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:10:03,568 INFO L241 Difference]: Finished difference. Result has 398 places, 481 transitions, 20499 flow [2021-04-29 04:10:03,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20185, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20499, PETRI_PLACES=398, PETRI_TRANSITIONS=481} [2021-04-29 04:10:03,569 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 354 predicate places. [2021-04-29 04:10:03,569 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:03,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 481 transitions, 20499 flow [2021-04-29 04:10:03,569 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 481 transitions, 20499 flow [2021-04-29 04:10:03,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 481 transitions, 20499 flow [2021-04-29 04:10:04,102 INFO L129 PetriNetUnfolder]: 0/2322 cut-off events. [2021-04-29 04:10:04,103 INFO L130 PetriNetUnfolder]: For 103956/104296 co-relation queries the response was YES. [2021-04-29 04:10:04,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18214 conditions, 2322 events. 0/2322 cut-off events. For 103956/104296 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 34808 event pairs, 0 based on Foata normal form. 9/2267 useless extension candidates. Maximal degree in co-relation 0. Up to 272 conditions per place. [2021-04-29 04:10:04,127 INFO L146 LiptonReduction]: Number of co-enabled transitions 2290 [2021-04-29 04:10:04,179 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:04,180 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:04,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 611 [2021-04-29 04:10:04,180 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 481 transitions, 20499 flow [2021-04-29 04:10:04,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:04,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:04,180 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:04,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-04-29 04:10:04,180 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:04,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:04,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2140952216, now seen corresponding path program 79 times [2021-04-29 04:10:04,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:04,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413861110] [2021-04-29 04:10:04,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:04,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:04,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:04,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:04,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:04,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:04,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:04,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:04,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:04,226 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:10:04,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:10:04,245 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:10:04,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:10:04,273 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:04,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:04,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413861110] [2021-04-29 04:10:04,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:04,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:04,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501676349] [2021-04-29 04:10:04,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:04,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:04,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:04,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:04,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:04,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 481 transitions, 20499 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:04,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:04,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:04,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:05,511 INFO L129 PetriNetUnfolder]: 64/2435 cut-off events. [2021-04-29 04:10:05,511 INFO L130 PetriNetUnfolder]: For 109356/112349 co-relation queries the response was YES. [2021-04-29 04:10:05,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20223 conditions, 2435 events. 64/2435 cut-off events. For 109356/112349 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 35574 event pairs, 56 based on Foata normal form. 44/2389 useless extension candidates. Maximal degree in co-relation 20098. Up to 471 conditions per place. [2021-04-29 04:10:05,533 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 218 changer transitions 3/487 dead transitions. [2021-04-29 04:10:05,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 487 transitions, 21519 flow [2021-04-29 04:10:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:05,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:05,534 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:05,534 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:05,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:05,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:05,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:05,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:05,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:05,535 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:05,535 INFO L185 Difference]: Start difference. First operand has 396 places, 481 transitions, 20499 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:05,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 487 transitions, 21519 flow [2021-04-29 04:10:06,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 487 transitions, 21094 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:06,541 INFO L241 Difference]: Finished difference. Result has 399 places, 478 transitions, 20363 flow [2021-04-29 04:10:06,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20082, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20363, PETRI_PLACES=399, PETRI_TRANSITIONS=478} [2021-04-29 04:10:06,541 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 355 predicate places. [2021-04-29 04:10:06,541 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:06,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 478 transitions, 20363 flow [2021-04-29 04:10:06,542 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 478 transitions, 20363 flow [2021-04-29 04:10:06,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 478 transitions, 20363 flow [2021-04-29 04:10:07,069 INFO L129 PetriNetUnfolder]: 0/2309 cut-off events. [2021-04-29 04:10:07,069 INFO L130 PetriNetUnfolder]: For 102664/102958 co-relation queries the response was YES. [2021-04-29 04:10:07,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18038 conditions, 2309 events. 0/2309 cut-off events. For 102664/102958 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 34648 event pairs, 0 based on Foata normal form. 9/2255 useless extension candidates. Maximal degree in co-relation 0. Up to 271 conditions per place. [2021-04-29 04:10:07,093 INFO L146 LiptonReduction]: Number of co-enabled transitions 2264 [2021-04-29 04:10:07,145 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:07,145 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:07,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 604 [2021-04-29 04:10:07,146 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 478 transitions, 20363 flow [2021-04-29 04:10:07,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:07,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:07,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:07,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-04-29 04:10:07,146 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:07,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:07,147 INFO L82 PathProgramCache]: Analyzing trace with hash -258264974, now seen corresponding path program 80 times [2021-04-29 04:10:07,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:07,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470160912] [2021-04-29 04:10:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:07,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:07,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:07,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:07,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:07,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:07,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:07,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:07,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:07,193 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:10:07,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:10:07,221 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:10:07,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:10:07,250 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:07,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:07,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470160912] [2021-04-29 04:10:07,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:07,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:07,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446445062] [2021-04-29 04:10:07,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:07,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:07,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:07,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:07,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:07,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 478 transitions, 20363 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:07,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:07,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:07,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:08,448 INFO L129 PetriNetUnfolder]: 64/2422 cut-off events. [2021-04-29 04:10:08,448 INFO L130 PetriNetUnfolder]: For 108169/111168 co-relation queries the response was YES. [2021-04-29 04:10:08,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20039 conditions, 2422 events. 64/2422 cut-off events. For 108169/111168 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 35332 event pairs, 56 based on Foata normal form. 46/2379 useless extension candidates. Maximal degree in co-relation 19914. Up to 471 conditions per place. [2021-04-29 04:10:08,469 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 287 selfloop transitions, 189 changer transitions 2/490 dead transitions. [2021-04-29 04:10:08,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 490 transitions, 21659 flow [2021-04-29 04:10:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:08,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:08,470 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:08,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:08,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:08,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:08,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:08,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:08,472 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:08,472 INFO L185 Difference]: Start difference. First operand has 398 places, 478 transitions, 20363 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:08,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 490 transitions, 21659 flow [2021-04-29 04:10:09,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 490 transitions, 21449 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-29 04:10:09,443 INFO L241 Difference]: Finished difference. Result has 404 places, 482 transitions, 20756 flow [2021-04-29 04:10:09,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20161, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20756, PETRI_PLACES=404, PETRI_TRANSITIONS=482} [2021-04-29 04:10:09,443 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 360 predicate places. [2021-04-29 04:10:09,443 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:09,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 482 transitions, 20756 flow [2021-04-29 04:10:09,444 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 482 transitions, 20756 flow [2021-04-29 04:10:09,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 482 transitions, 20756 flow [2021-04-29 04:10:09,949 INFO L129 PetriNetUnfolder]: 0/2301 cut-off events. [2021-04-29 04:10:09,949 INFO L130 PetriNetUnfolder]: For 105593/105930 co-relation queries the response was YES. [2021-04-29 04:10:09,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18115 conditions, 2301 events. 0/2301 cut-off events. For 105593/105930 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 34400 event pairs, 0 based on Foata normal form. 8/2243 useless extension candidates. Maximal degree in co-relation 0. Up to 270 conditions per place. [2021-04-29 04:10:09,974 INFO L146 LiptonReduction]: Number of co-enabled transitions 2272 [2021-04-29 04:10:10,024 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:10,024 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:10,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 581 [2021-04-29 04:10:10,024 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 482 transitions, 20756 flow [2021-04-29 04:10:10,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:10,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:10,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:10,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-04-29 04:10:10,025 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:10,025 INFO L82 PathProgramCache]: Analyzing trace with hash -564390054, now seen corresponding path program 81 times [2021-04-29 04:10:10,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:10,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716153999] [2021-04-29 04:10:10,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:10,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:10,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:10,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:10,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:10,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:10,053 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:10,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:10,079 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:10:10,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:10:10,107 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:10,134 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:10,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:10,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716153999] [2021-04-29 04:10:10,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:10,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:10,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056801804] [2021-04-29 04:10:10,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:10,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:10,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:10,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:10,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:10,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 482 transitions, 20756 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:10,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:10,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:10,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:11,366 INFO L129 PetriNetUnfolder]: 64/2414 cut-off events. [2021-04-29 04:10:11,366 INFO L130 PetriNetUnfolder]: For 111243/114245 co-relation queries the response was YES. [2021-04-29 04:10:11,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20113 conditions, 2414 events. 64/2414 cut-off events. For 111243/114245 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 35212 event pairs, 56 based on Foata normal form. 46/2371 useless extension candidates. Maximal degree in co-relation 19987. Up to 471 conditions per place. [2021-04-29 04:10:11,387 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 185 changer transitions 2/488 dead transitions. [2021-04-29 04:10:11,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 488 transitions, 21778 flow [2021-04-29 04:10:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:11,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:11,389 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:11,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:11,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:11,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:11,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:11,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:11,391 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:11,391 INFO L185 Difference]: Start difference. First operand has 403 places, 482 transitions, 20756 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:11,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 488 transitions, 21778 flow [2021-04-29 04:10:12,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 488 transitions, 21435 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-04-29 04:10:12,473 INFO L241 Difference]: Finished difference. Result has 407 places, 480 transitions, 20689 flow [2021-04-29 04:10:12,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20421, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20689, PETRI_PLACES=407, PETRI_TRANSITIONS=480} [2021-04-29 04:10:12,474 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 363 predicate places. [2021-04-29 04:10:12,474 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:12,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 480 transitions, 20689 flow [2021-04-29 04:10:12,474 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 480 transitions, 20689 flow [2021-04-29 04:10:12,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 480 transitions, 20689 flow [2021-04-29 04:10:13,005 INFO L129 PetriNetUnfolder]: 0/2292 cut-off events. [2021-04-29 04:10:13,006 INFO L130 PetriNetUnfolder]: For 105343/105793 co-relation queries the response was YES. [2021-04-29 04:10:13,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18084 conditions, 2292 events. 0/2292 cut-off events. For 105343/105793 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 34294 event pairs, 0 based on Foata normal form. 10/2236 useless extension candidates. Maximal degree in co-relation 0. Up to 269 conditions per place. [2021-04-29 04:10:13,031 INFO L146 LiptonReduction]: Number of co-enabled transitions 2266 [2021-04-29 04:10:13,085 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:13,085 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:13,085 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 611 [2021-04-29 04:10:13,085 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 480 transitions, 20689 flow [2021-04-29 04:10:13,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:13,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:13,086 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:13,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-04-29 04:10:13,086 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:13,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:13,086 INFO L82 PathProgramCache]: Analyzing trace with hash 133209358, now seen corresponding path program 82 times [2021-04-29 04:10:13,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:13,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787369417] [2021-04-29 04:10:13,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:13,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:13,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:13,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:13,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:13,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:13,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:13,112 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:13,133 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:13,152 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:13,178 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:13,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:13,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787369417] [2021-04-29 04:10:13,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:13,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:13,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753413347] [2021-04-29 04:10:13,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:13,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:13,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:13,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:13,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:13,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 480 transitions, 20689 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:13,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:13,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:13,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:14,538 INFO L129 PetriNetUnfolder]: 64/2405 cut-off events. [2021-04-29 04:10:14,538 INFO L130 PetriNetUnfolder]: For 110610/113609 co-relation queries the response was YES. [2021-04-29 04:10:14,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20078 conditions, 2405 events. 64/2405 cut-off events. For 110610/113609 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 35044 event pairs, 56 based on Foata normal form. 44/2360 useless extension candidates. Maximal degree in co-relation 19952. Up to 471 conditions per place. [2021-04-29 04:10:14,560 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 291 selfloop transitions, 183 changer transitions 2/488 dead transitions. [2021-04-29 04:10:14,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 488 transitions, 21815 flow [2021-04-29 04:10:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:14,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:14,561 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:14,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:14,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:14,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:14,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:14,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:14,563 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:14,563 INFO L185 Difference]: Start difference. First operand has 406 places, 480 transitions, 20689 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:14,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 488 transitions, 21815 flow [2021-04-29 04:10:15,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 488 transitions, 21442 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:15,582 INFO L241 Difference]: Finished difference. Result has 410 places, 480 transitions, 20699 flow [2021-04-29 04:10:15,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20326, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20699, PETRI_PLACES=410, PETRI_TRANSITIONS=480} [2021-04-29 04:10:15,583 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 366 predicate places. [2021-04-29 04:10:15,583 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:15,583 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 480 transitions, 20699 flow [2021-04-29 04:10:15,583 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 480 transitions, 20699 flow [2021-04-29 04:10:15,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 480 transitions, 20699 flow [2021-04-29 04:10:16,163 INFO L129 PetriNetUnfolder]: 0/2284 cut-off events. [2021-04-29 04:10:16,163 INFO L130 PetriNetUnfolder]: For 104508/104810 co-relation queries the response was YES. [2021-04-29 04:10:16,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18031 conditions, 2284 events. 0/2284 cut-off events. For 104508/104810 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 34159 event pairs, 0 based on Foata normal form. 9/2225 useless extension candidates. Maximal degree in co-relation 0. Up to 268 conditions per place. [2021-04-29 04:10:16,188 INFO L146 LiptonReduction]: Number of co-enabled transitions 2268 [2021-04-29 04:10:16,238 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:16,238 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:16,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 655 [2021-04-29 04:10:16,239 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 480 transitions, 20699 flow [2021-04-29 04:10:16,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:16,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:16,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:16,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-04-29 04:10:16,239 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:16,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:16,239 INFO L82 PathProgramCache]: Analyzing trace with hash -775409086, now seen corresponding path program 83 times [2021-04-29 04:10:16,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:16,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309622049] [2021-04-29 04:10:16,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:16,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:16,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:16,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:16,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:16,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:16,282 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:16,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:16,299 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:16,327 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:16,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309622049] [2021-04-29 04:10:16,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:16,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:16,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60687008] [2021-04-29 04:10:16,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:16,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:16,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:16,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:16,356 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:16,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 480 transitions, 20699 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:16,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:16,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:16,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:17,780 INFO L129 PetriNetUnfolder]: 56/2512 cut-off events. [2021-04-29 04:10:17,780 INFO L130 PetriNetUnfolder]: For 115631/118629 co-relation queries the response was YES. [2021-04-29 04:10:17,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20937 conditions, 2512 events. 56/2512 cut-off events. For 115631/118629 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 37157 event pairs, 56 based on Foata normal form. 30/2451 useless extension candidates. Maximal degree in co-relation 20810. Up to 452 conditions per place. [2021-04-29 04:10:17,802 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 320 selfloop transitions, 179 changer transitions 2/513 dead transitions. [2021-04-29 04:10:17,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 513 transitions, 23108 flow [2021-04-29 04:10:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:17,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:17,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:17,803 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:17,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:17,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:17,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:17,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:17,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:17,805 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:17,805 INFO L185 Difference]: Start difference. First operand has 409 places, 480 transitions, 20699 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:17,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 513 transitions, 23108 flow [2021-04-29 04:10:18,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 513 transitions, 22723 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:18,844 INFO L241 Difference]: Finished difference. Result has 416 places, 492 transitions, 21474 flow [2021-04-29 04:10:18,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20340, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21474, PETRI_PLACES=416, PETRI_TRANSITIONS=492} [2021-04-29 04:10:18,845 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 372 predicate places. [2021-04-29 04:10:18,845 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:18,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 492 transitions, 21474 flow [2021-04-29 04:10:18,845 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 492 transitions, 21474 flow [2021-04-29 04:10:18,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 415 places, 492 transitions, 21474 flow [2021-04-29 04:10:19,410 INFO L129 PetriNetUnfolder]: 0/2410 cut-off events. [2021-04-29 04:10:19,410 INFO L130 PetriNetUnfolder]: For 114809/115083 co-relation queries the response was YES. [2021-04-29 04:10:19,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19244 conditions, 2410 events. 0/2410 cut-off events. For 114809/115083 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 36457 event pairs, 0 based on Foata normal form. 3/2346 useless extension candidates. Maximal degree in co-relation 0. Up to 283 conditions per place. [2021-04-29 04:10:19,436 INFO L146 LiptonReduction]: Number of co-enabled transitions 2330 [2021-04-29 04:10:19,491 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:19,492 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:19,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 647 [2021-04-29 04:10:19,492 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 492 transitions, 21474 flow [2021-04-29 04:10:19,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:19,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:19,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:19,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-04-29 04:10:19,493 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:19,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:19,493 INFO L82 PathProgramCache]: Analyzing trace with hash -2050947458, now seen corresponding path program 84 times [2021-04-29 04:10:19,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:19,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277188640] [2021-04-29 04:10:19,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:19,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:19,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:19,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:19,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:19,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:19,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:19,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:19,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:19,530 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:10:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:10:19,562 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:19,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:19,588 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:19,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277188640] [2021-04-29 04:10:19,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:19,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:19,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758682627] [2021-04-29 04:10:19,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:19,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:19,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:19,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:19,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:19,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 492 transitions, 21474 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:19,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:19,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:19,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:20,892 INFO L129 PetriNetUnfolder]: 56/2504 cut-off events. [2021-04-29 04:10:20,893 INFO L130 PetriNetUnfolder]: For 120063/123182 co-relation queries the response was YES. [2021-04-29 04:10:20,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21023 conditions, 2504 events. 56/2504 cut-off events. For 120063/123182 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 36963 event pairs, 56 based on Foata normal form. 46/2461 useless extension candidates. Maximal degree in co-relation 20892. Up to 471 conditions per place. [2021-04-29 04:10:20,915 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 301 selfloop transitions, 198 changer transitions 2/513 dead transitions. [2021-04-29 04:10:20,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 513 transitions, 23260 flow [2021-04-29 04:10:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:20,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:20,916 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:20,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:20,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:20,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:20,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:20,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:20,917 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:20,917 INFO L185 Difference]: Start difference. First operand has 415 places, 492 transitions, 21474 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:20,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 513 transitions, 23260 flow [2021-04-29 04:10:22,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 513 transitions, 23057 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-04-29 04:10:22,031 INFO L241 Difference]: Finished difference. Result has 422 places, 501 transitions, 22309 flow [2021-04-29 04:10:22,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21281, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22309, PETRI_PLACES=422, PETRI_TRANSITIONS=501} [2021-04-29 04:10:22,032 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 378 predicate places. [2021-04-29 04:10:22,032 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:22,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 422 places, 501 transitions, 22309 flow [2021-04-29 04:10:22,032 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 422 places, 501 transitions, 22309 flow [2021-04-29 04:10:22,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 501 transitions, 22309 flow [2021-04-29 04:10:22,602 INFO L129 PetriNetUnfolder]: 0/2402 cut-off events. [2021-04-29 04:10:22,603 INFO L130 PetriNetUnfolder]: For 119619/119884 co-relation queries the response was YES. [2021-04-29 04:10:22,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19476 conditions, 2402 events. 0/2402 cut-off events. For 119619/119884 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 36342 event pairs, 0 based on Foata normal form. 3/2345 useless extension candidates. Maximal degree in co-relation 0. Up to 282 conditions per place. [2021-04-29 04:10:22,629 INFO L146 LiptonReduction]: Number of co-enabled transitions 2358 [2021-04-29 04:10:22,687 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:22,687 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:22,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 655 [2021-04-29 04:10:22,687 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 501 transitions, 22309 flow [2021-04-29 04:10:22,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:22,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:22,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:22,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-04-29 04:10:22,688 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:22,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:22,688 INFO L82 PathProgramCache]: Analyzing trace with hash -868061732, now seen corresponding path program 85 times [2021-04-29 04:10:22,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:22,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309848587] [2021-04-29 04:10:22,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:22,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:22,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:22,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:22,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:22,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:22,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:22,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:22,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:22,723 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:22,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:22,741 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:22,766 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:22,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:22,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309848587] [2021-04-29 04:10:22,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:22,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:22,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622671419] [2021-04-29 04:10:22,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:22,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:22,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:22,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:22,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:22,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 501 transitions, 22309 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:22,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:22,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:22,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:24,084 INFO L129 PetriNetUnfolder]: 56/2496 cut-off events. [2021-04-29 04:10:24,084 INFO L130 PetriNetUnfolder]: For 125514/129003 co-relation queries the response was YES. [2021-04-29 04:10:24,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21252 conditions, 2496 events. 56/2496 cut-off events. For 125514/129003 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 36804 event pairs, 56 based on Foata normal form. 52/2456 useless extension candidates. Maximal degree in co-relation 21119. Up to 471 conditions per place. [2021-04-29 04:10:24,106 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 307 selfloop transitions, 190 changer transitions 2/511 dead transitions. [2021-04-29 04:10:24,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 511 transitions, 23565 flow [2021-04-29 04:10:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:24,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:24,108 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:24,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:24,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:24,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:24,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:24,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:24,109 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:24,109 INFO L185 Difference]: Start difference. First operand has 421 places, 501 transitions, 22309 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:24,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 511 transitions, 23565 flow [2021-04-29 04:10:25,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 511 transitions, 23336 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-04-29 04:10:25,238 INFO L241 Difference]: Finished difference. Result has 426 places, 499 transitions, 22355 flow [2021-04-29 04:10:25,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22088, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22355, PETRI_PLACES=426, PETRI_TRANSITIONS=499} [2021-04-29 04:10:25,239 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 382 predicate places. [2021-04-29 04:10:25,239 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:25,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 499 transitions, 22355 flow [2021-04-29 04:10:25,239 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 499 transitions, 22355 flow [2021-04-29 04:10:25,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 499 transitions, 22355 flow [2021-04-29 04:10:25,808 INFO L129 PetriNetUnfolder]: 0/2394 cut-off events. [2021-04-29 04:10:25,809 INFO L130 PetriNetUnfolder]: For 119423/119683 co-relation queries the response was YES. [2021-04-29 04:10:25,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19612 conditions, 2394 events. 0/2394 cut-off events. For 119423/119683 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 36182 event pairs, 0 based on Foata normal form. 3/2337 useless extension candidates. Maximal degree in co-relation 0. Up to 281 conditions per place. [2021-04-29 04:10:25,835 INFO L146 LiptonReduction]: Number of co-enabled transitions 2354 [2021-04-29 04:10:25,892 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:25,892 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:25,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 653 [2021-04-29 04:10:25,893 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 499 transitions, 22355 flow [2021-04-29 04:10:25,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:25,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:25,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:25,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-04-29 04:10:25,893 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:25,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:25,893 INFO L82 PathProgramCache]: Analyzing trace with hash 470974750, now seen corresponding path program 86 times [2021-04-29 04:10:25,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:25,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769473309] [2021-04-29 04:10:25,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:25,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:25,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:25,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:25,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:25,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:25,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:25,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:25,930 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:25,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:25,948 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:25,976 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:26,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769473309] [2021-04-29 04:10:26,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:26,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:26,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514368843] [2021-04-29 04:10:26,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:26,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:26,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:26,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:26,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:26,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 499 transitions, 22355 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:26,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:26,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:26,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:27,286 INFO L129 PetriNetUnfolder]: 56/2488 cut-off events. [2021-04-29 04:10:27,286 INFO L130 PetriNetUnfolder]: For 125099/128561 co-relation queries the response was YES. [2021-04-29 04:10:27,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21385 conditions, 2488 events. 56/2488 cut-off events. For 125099/128561 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 36694 event pairs, 56 based on Foata normal form. 52/2448 useless extension candidates. Maximal degree in co-relation 21252. Up to 471 conditions per place. [2021-04-29 04:10:27,310 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 306 selfloop transitions, 189 changer transitions 2/509 dead transitions. [2021-04-29 04:10:27,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 509 transitions, 23607 flow [2021-04-29 04:10:27,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:27,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:27,311 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:27,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:27,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:27,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:27,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,313 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,313 INFO L185 Difference]: Start difference. First operand has 425 places, 499 transitions, 22355 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:27,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 509 transitions, 23607 flow [2021-04-29 04:10:28,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 509 transitions, 23182 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-04-29 04:10:28,505 INFO L241 Difference]: Finished difference. Result has 427 places, 497 transitions, 22197 flow [2021-04-29 04:10:28,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21938, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22197, PETRI_PLACES=427, PETRI_TRANSITIONS=497} [2021-04-29 04:10:28,506 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 383 predicate places. [2021-04-29 04:10:28,506 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:28,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 427 places, 497 transitions, 22197 flow [2021-04-29 04:10:28,506 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 427 places, 497 transitions, 22197 flow [2021-04-29 04:10:28,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 426 places, 497 transitions, 22197 flow [2021-04-29 04:10:29,075 INFO L129 PetriNetUnfolder]: 0/2386 cut-off events. [2021-04-29 04:10:29,075 INFO L130 PetriNetUnfolder]: For 117113/117418 co-relation queries the response was YES. [2021-04-29 04:10:29,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19570 conditions, 2386 events. 0/2386 cut-off events. For 117113/117418 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 36042 event pairs, 0 based on Foata normal form. 2/2326 useless extension candidates. Maximal degree in co-relation 0. Up to 280 conditions per place. [2021-04-29 04:10:29,101 INFO L146 LiptonReduction]: Number of co-enabled transitions 2348 [2021-04-29 04:10:29,158 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:29,158 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:29,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 652 [2021-04-29 04:10:29,159 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 497 transitions, 22197 flow [2021-04-29 04:10:29,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:29,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:29,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:29,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-04-29 04:10:29,159 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:29,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1434749862, now seen corresponding path program 87 times [2021-04-29 04:10:29,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:29,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183382242] [2021-04-29 04:10:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:29,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:29,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:29,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:29,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:29,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:29,197 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:29,215 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:29,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:29,240 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:29,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:29,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183382242] [2021-04-29 04:10:29,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:29,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:29,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990216317] [2021-04-29 04:10:29,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:29,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:29,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:29,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:29,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:29,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 497 transitions, 22197 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:29,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:29,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:29,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:30,514 INFO L129 PetriNetUnfolder]: 56/2480 cut-off events. [2021-04-29 04:10:30,514 INFO L130 PetriNetUnfolder]: For 122343/125676 co-relation queries the response was YES. [2021-04-29 04:10:30,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21340 conditions, 2480 events. 56/2480 cut-off events. For 122343/125676 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 36530 event pairs, 56 based on Foata normal form. 52/2440 useless extension candidates. Maximal degree in co-relation 21209. Up to 471 conditions per place. [2021-04-29 04:10:30,536 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 296 selfloop transitions, 197 changer transitions 2/507 dead transitions. [2021-04-29 04:10:30,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 507 transitions, 23445 flow [2021-04-29 04:10:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:30,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:30,537 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:30,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:30,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:30,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:30,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:30,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:30,539 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:30,539 INFO L185 Difference]: Start difference. First operand has 426 places, 497 transitions, 22197 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:30,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 507 transitions, 23445 flow [2021-04-29 04:10:31,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 507 transitions, 23048 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 04:10:31,689 INFO L241 Difference]: Finished difference. Result has 429 places, 501 transitions, 22380 flow [2021-04-29 04:10:31,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21808, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22380, PETRI_PLACES=429, PETRI_TRANSITIONS=501} [2021-04-29 04:10:31,690 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 385 predicate places. [2021-04-29 04:10:31,690 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:31,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 501 transitions, 22380 flow [2021-04-29 04:10:31,691 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 501 transitions, 22380 flow [2021-04-29 04:10:31,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 501 transitions, 22380 flow [2021-04-29 04:10:32,268 INFO L129 PetriNetUnfolder]: 0/2379 cut-off events. [2021-04-29 04:10:32,268 INFO L130 PetriNetUnfolder]: For 117601/118022 co-relation queries the response was YES. [2021-04-29 04:10:32,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19531 conditions, 2379 events. 0/2379 cut-off events. For 117601/118022 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 35928 event pairs, 0 based on Foata normal form. 4/2318 useless extension candidates. Maximal degree in co-relation 0. Up to 279 conditions per place. [2021-04-29 04:10:32,293 INFO L146 LiptonReduction]: Number of co-enabled transitions 2348 [2021-04-29 04:10:32,350 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:32,350 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:32,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 661 [2021-04-29 04:10:32,351 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 501 transitions, 22380 flow [2021-04-29 04:10:32,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:32,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:32,351 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:32,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-04-29 04:10:32,351 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:32,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:32,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1544060130, now seen corresponding path program 88 times [2021-04-29 04:10:32,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:32,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227189119] [2021-04-29 04:10:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:32,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:32,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:32,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:32,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:32,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:32,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:32,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:32,391 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:32,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:32,408 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:32,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:32,433 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:32,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:32,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227189119] [2021-04-29 04:10:32,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:32,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:32,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783534020] [2021-04-29 04:10:32,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:32,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:32,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:32,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:32,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:32,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 501 transitions, 22380 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:32,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:32,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:32,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:33,773 INFO L129 PetriNetUnfolder]: 56/2473 cut-off events. [2021-04-29 04:10:33,773 INFO L130 PetriNetUnfolder]: For 122452/125778 co-relation queries the response was YES. [2021-04-29 04:10:33,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21298 conditions, 2473 events. 56/2473 cut-off events. For 122452/125778 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 36397 event pairs, 56 based on Foata normal form. 50/2431 useless extension candidates. Maximal degree in co-relation 21167. Up to 471 conditions per place. [2021-04-29 04:10:33,791 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 297 selfloop transitions, 194 changer transitions 2/505 dead transitions. [2021-04-29 04:10:33,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 505 transitions, 23382 flow [2021-04-29 04:10:33,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:33,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:33,793 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:33,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:33,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:33,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:33,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:33,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:33,794 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:33,794 INFO L185 Difference]: Start difference. First operand has 428 places, 501 transitions, 22380 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:33,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 505 transitions, 23382 flow [2021-04-29 04:10:34,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 505 transitions, 23040 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:10:34,872 INFO L241 Difference]: Finished difference. Result has 432 places, 499 transitions, 22321 flow [2021-04-29 04:10:34,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22046, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22321, PETRI_PLACES=432, PETRI_TRANSITIONS=499} [2021-04-29 04:10:34,872 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 388 predicate places. [2021-04-29 04:10:34,872 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:34,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 499 transitions, 22321 flow [2021-04-29 04:10:34,873 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 499 transitions, 22321 flow [2021-04-29 04:10:34,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 431 places, 499 transitions, 22321 flow [2021-04-29 04:10:35,463 INFO L129 PetriNetUnfolder]: 0/2370 cut-off events. [2021-04-29 04:10:35,463 INFO L130 PetriNetUnfolder]: For 116477/116747 co-relation queries the response was YES. [2021-04-29 04:10:35,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19504 conditions, 2370 events. 0/2370 cut-off events. For 116477/116747 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 35703 event pairs, 0 based on Foata normal form. 3/2309 useless extension candidates. Maximal degree in co-relation 0. Up to 278 conditions per place. [2021-04-29 04:10:35,490 INFO L146 LiptonReduction]: Number of co-enabled transitions 2342 [2021-04-29 04:10:35,547 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:35,547 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:35,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 675 [2021-04-29 04:10:35,548 INFO L480 AbstractCegarLoop]: Abstraction has has 431 places, 499 transitions, 22321 flow [2021-04-29 04:10:35,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:35,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:35,548 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:35,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-04-29 04:10:35,548 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:35,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:35,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1127740514, now seen corresponding path program 89 times [2021-04-29 04:10:35,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:35,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925855848] [2021-04-29 04:10:35,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:35,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:35,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:35,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:35,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:35,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:10:35,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:10:35,618 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:35,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:35,647 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:35,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:35,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925855848] [2021-04-29 04:10:35,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:35,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:35,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873982498] [2021-04-29 04:10:35,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:35,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:35,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:35,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:35,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:35,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 499 transitions, 22321 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:35,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:35,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:35,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:37,121 INFO L129 PetriNetUnfolder]: 56/2464 cut-off events. [2021-04-29 04:10:37,121 INFO L130 PetriNetUnfolder]: For 121784/125111 co-relation queries the response was YES. [2021-04-29 04:10:37,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21267 conditions, 2464 events. 56/2464 cut-off events. For 121784/125111 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 36244 event pairs, 56 based on Foata normal form. 50/2422 useless extension candidates. Maximal degree in co-relation 21136. Up to 471 conditions per place. [2021-04-29 04:10:37,142 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 298 selfloop transitions, 192 changer transitions 1/503 dead transitions. [2021-04-29 04:10:37,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 503 transitions, 23319 flow [2021-04-29 04:10:37,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:37,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:37,145 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:37,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:37,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:37,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:37,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:37,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:37,147 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:37,147 INFO L185 Difference]: Start difference. First operand has 431 places, 499 transitions, 22321 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:37,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 503 transitions, 23319 flow [2021-04-29 04:10:38,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 503 transitions, 22936 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:38,313 INFO L241 Difference]: Finished difference. Result has 434 places, 498 transitions, 22267 flow [2021-04-29 04:10:38,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21946, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22267, PETRI_PLACES=434, PETRI_TRANSITIONS=498} [2021-04-29 04:10:38,313 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 390 predicate places. [2021-04-29 04:10:38,314 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:38,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 434 places, 498 transitions, 22267 flow [2021-04-29 04:10:38,314 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 434 places, 498 transitions, 22267 flow [2021-04-29 04:10:38,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 433 places, 498 transitions, 22267 flow [2021-04-29 04:10:38,877 INFO L129 PetriNetUnfolder]: 0/2363 cut-off events. [2021-04-29 04:10:38,877 INFO L130 PetriNetUnfolder]: For 116270/116532 co-relation queries the response was YES. [2021-04-29 04:10:38,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19475 conditions, 2363 events. 0/2363 cut-off events. For 116270/116532 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 35646 event pairs, 0 based on Foata normal form. 3/2304 useless extension candidates. Maximal degree in co-relation 0. Up to 277 conditions per place. [2021-04-29 04:10:38,903 INFO L146 LiptonReduction]: Number of co-enabled transitions 2340 [2021-04-29 04:10:38,959 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:38,959 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:38,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 645 [2021-04-29 04:10:38,959 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 498 transitions, 22267 flow [2021-04-29 04:10:38,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:38,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:38,960 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:38,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-04-29 04:10:38,960 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:38,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:38,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1332573962, now seen corresponding path program 90 times [2021-04-29 04:10:38,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:38,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507853147] [2021-04-29 04:10:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:38,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:38,982 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:38,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:38,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:39,020 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:39,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:39,052 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:39,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:39,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507853147] [2021-04-29 04:10:39,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:39,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:39,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047721734] [2021-04-29 04:10:39,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:39,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:39,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:39,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:39,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:39,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 498 transitions, 22267 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:39,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:39,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:39,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:40,338 INFO L129 PetriNetUnfolder]: 56/2457 cut-off events. [2021-04-29 04:10:40,338 INFO L130 PetriNetUnfolder]: For 121600/124933 co-relation queries the response was YES. [2021-04-29 04:10:40,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21236 conditions, 2457 events. 56/2457 cut-off events. For 121600/124933 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 36121 event pairs, 56 based on Foata normal form. 35/2401 useless extension candidates. Maximal degree in co-relation 21105. Up to 430 conditions per place. [2021-04-29 04:10:40,360 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 181 changer transitions 2/532 dead transitions. [2021-04-29 04:10:40,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 532 transitions, 24532 flow [2021-04-29 04:10:40,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:40,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:40,362 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:40,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:40,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:40,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:40,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,363 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,363 INFO L185 Difference]: Start difference. First operand has 433 places, 498 transitions, 22267 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:40,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 532 transitions, 24532 flow [2021-04-29 04:10:41,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 532 transitions, 24149 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:41,492 INFO L241 Difference]: Finished difference. Result has 439 places, 519 transitions, 23313 flow [2021-04-29 04:10:41,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21892, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23313, PETRI_PLACES=439, PETRI_TRANSITIONS=519} [2021-04-29 04:10:41,493 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 395 predicate places. [2021-04-29 04:10:41,493 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:41,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 519 transitions, 23313 flow [2021-04-29 04:10:41,493 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 519 transitions, 23313 flow [2021-04-29 04:10:41,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 519 transitions, 23313 flow [2021-04-29 04:10:42,198 INFO L129 PetriNetUnfolder]: 0/2355 cut-off events. [2021-04-29 04:10:42,198 INFO L130 PetriNetUnfolder]: For 119929/120242 co-relation queries the response was YES. [2021-04-29 04:10:42,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19577 conditions, 2355 events. 0/2355 cut-off events. For 119929/120242 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 35477 event pairs, 0 based on Foata normal form. 2/2294 useless extension candidates. Maximal degree in co-relation 0. Up to 276 conditions per place. [2021-04-29 04:10:42,228 INFO L146 LiptonReduction]: Number of co-enabled transitions 2474 [2021-04-29 04:10:42,291 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:42,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:42,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 798 [2021-04-29 04:10:42,291 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 519 transitions, 23313 flow [2021-04-29 04:10:42,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:42,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:42,292 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:42,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-04-29 04:10:42,292 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:42,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:42,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1199132172, now seen corresponding path program 91 times [2021-04-29 04:10:42,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:42,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165494089] [2021-04-29 04:10:42,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:42,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:42,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:42,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:42,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:42,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:42,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:42,318 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:42,332 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:10:42,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:10:42,368 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:10:42,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:10:42,399 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:42,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:42,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165494089] [2021-04-29 04:10:42,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:42,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:42,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627015548] [2021-04-29 04:10:42,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:42,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:42,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:42,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:42,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:42,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 519 transitions, 23313 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:42,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:42,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:42,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:43,714 INFO L129 PetriNetUnfolder]: 56/2449 cut-off events. [2021-04-29 04:10:43,714 INFO L130 PetriNetUnfolder]: For 125325/128637 co-relation queries the response was YES. [2021-04-29 04:10:43,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21335 conditions, 2449 events. 56/2449 cut-off events. For 125325/128637 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 35961 event pairs, 56 based on Foata normal form. 35/2395 useless extension candidates. Maximal degree in co-relation 21201. Up to 428 conditions per place. [2021-04-29 04:10:43,736 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 190 changer transitions 2/523 dead transitions. [2021-04-29 04:10:43,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 523 transitions, 24351 flow [2021-04-29 04:10:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:43,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:43,738 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:43,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:43,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:43,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:43,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:43,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:43,739 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:43,739 INFO L185 Difference]: Start difference. First operand has 438 places, 519 transitions, 23313 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:43,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 523 transitions, 24351 flow [2021-04-29 04:10:44,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 523 transitions, 24135 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-04-29 04:10:44,875 INFO L241 Difference]: Finished difference. Result has 441 places, 517 transitions, 23362 flow [2021-04-29 04:10:44,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23105, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23362, PETRI_PLACES=441, PETRI_TRANSITIONS=517} [2021-04-29 04:10:44,876 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 397 predicate places. [2021-04-29 04:10:44,876 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:44,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 517 transitions, 23362 flow [2021-04-29 04:10:44,876 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 517 transitions, 23362 flow [2021-04-29 04:10:44,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 517 transitions, 23362 flow [2021-04-29 04:10:45,463 INFO L129 PetriNetUnfolder]: 0/2348 cut-off events. [2021-04-29 04:10:45,464 INFO L130 PetriNetUnfolder]: For 119441/119711 co-relation queries the response was YES. [2021-04-29 04:10:45,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19744 conditions, 2348 events. 0/2348 cut-off events. For 119441/119711 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 35350 event pairs, 0 based on Foata normal form. 3/2290 useless extension candidates. Maximal degree in co-relation 0. Up to 275 conditions per place. [2021-04-29 04:10:45,489 INFO L146 LiptonReduction]: Number of co-enabled transitions 2458 [2021-04-29 04:10:45,551 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:45,551 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:45,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 675 [2021-04-29 04:10:45,551 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 517 transitions, 23362 flow [2021-04-29 04:10:45,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:45,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:45,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:45,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-04-29 04:10:45,552 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:45,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:45,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1081897290, now seen corresponding path program 92 times [2021-04-29 04:10:45,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:45,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592806768] [2021-04-29 04:10:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:45,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:45,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:45,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:45,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:45,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:45,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:45,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:45,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:45,591 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:10:45,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:10:45,631 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:45,662 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:45,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:45,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592806768] [2021-04-29 04:10:45,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:45,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:45,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481380175] [2021-04-29 04:10:45,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:45,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:45,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:45,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:45,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:45,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 517 transitions, 23362 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:45,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:45,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:45,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:47,016 INFO L129 PetriNetUnfolder]: 56/2442 cut-off events. [2021-04-29 04:10:47,016 INFO L130 PetriNetUnfolder]: For 124825/128142 co-relation queries the response was YES. [2021-04-29 04:10:47,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21499 conditions, 2442 events. 56/2442 cut-off events. For 124825/128142 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 35811 event pairs, 56 based on Foata normal form. 35/2389 useless extension candidates. Maximal degree in co-relation 21367. Up to 428 conditions per place. [2021-04-29 04:10:47,038 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 320 selfloop transitions, 186 changer transitions 3/521 dead transitions. [2021-04-29 04:10:47,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 521 transitions, 24396 flow [2021-04-29 04:10:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:47,040 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:47,040 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:47,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:47,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:47,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:47,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:47,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:47,042 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:47,042 INFO L185 Difference]: Start difference. First operand has 440 places, 517 transitions, 23362 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:47,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 521 transitions, 24396 flow [2021-04-29 04:10:48,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 521 transitions, 24058 flow, removed 33 selfloop flow, removed 4 redundant places. [2021-04-29 04:10:48,265 INFO L241 Difference]: Finished difference. Result has 444 places, 514 transitions, 23239 flow [2021-04-29 04:10:48,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23032, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23239, PETRI_PLACES=444, PETRI_TRANSITIONS=514} [2021-04-29 04:10:48,266 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 400 predicate places. [2021-04-29 04:10:48,266 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:48,266 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 444 places, 514 transitions, 23239 flow [2021-04-29 04:10:48,266 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 444 places, 514 transitions, 23239 flow [2021-04-29 04:10:48,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 443 places, 514 transitions, 23239 flow [2021-04-29 04:10:48,828 INFO L129 PetriNetUnfolder]: 0/2340 cut-off events. [2021-04-29 04:10:48,829 INFO L130 PetriNetUnfolder]: For 118338/118600 co-relation queries the response was YES. [2021-04-29 04:10:48,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19719 conditions, 2340 events. 0/2340 cut-off events. For 118338/118600 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 35172 event pairs, 0 based on Foata normal form. 3/2271 useless extension candidates. Maximal degree in co-relation 0. Up to 274 conditions per place. [2021-04-29 04:10:48,855 INFO L146 LiptonReduction]: Number of co-enabled transitions 2444 [2021-04-29 04:10:48,915 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:48,915 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:48,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 649 [2021-04-29 04:10:48,916 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 514 transitions, 23239 flow [2021-04-29 04:10:48,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:48,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:48,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:48,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-04-29 04:10:48,916 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:48,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:48,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1144605456, now seen corresponding path program 93 times [2021-04-29 04:10:48,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:48,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719040756] [2021-04-29 04:10:48,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:48,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:48,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:48,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:48,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:48,939 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:48,956 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:48,979 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:48,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:49,010 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:49,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:49,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719040756] [2021-04-29 04:10:49,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:49,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:49,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121273702] [2021-04-29 04:10:49,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:49,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:49,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:49,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:49,043 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:49,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 514 transitions, 23239 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:49,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:49,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:49,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:50,319 INFO L129 PetriNetUnfolder]: 56/2434 cut-off events. [2021-04-29 04:10:50,319 INFO L130 PetriNetUnfolder]: For 123780/127092 co-relation queries the response was YES. [2021-04-29 04:10:50,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21470 conditions, 2434 events. 56/2434 cut-off events. For 123780/127092 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 35688 event pairs, 56 based on Foata normal form. 33/2379 useless extension candidates. Maximal degree in co-relation 21338. Up to 428 conditions per place. [2021-04-29 04:10:50,341 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 334 selfloop transitions, 177 changer transitions 2/525 dead transitions. [2021-04-29 04:10:50,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 525 transitions, 24565 flow [2021-04-29 04:10:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:50,343 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:50,343 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:50,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:50,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:50,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:50,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:50,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:50,344 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:50,344 INFO L185 Difference]: Start difference. First operand has 443 places, 514 transitions, 23239 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:50,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 525 transitions, 24565 flow [2021-04-29 04:10:51,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 525 transitions, 24179 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 04:10:51,507 INFO L241 Difference]: Finished difference. Result has 446 places, 519 transitions, 23456 flow [2021-04-29 04:10:51,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22875, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23456, PETRI_PLACES=446, PETRI_TRANSITIONS=519} [2021-04-29 04:10:51,508 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 402 predicate places. [2021-04-29 04:10:51,508 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:51,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 519 transitions, 23456 flow [2021-04-29 04:10:51,508 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 519 transitions, 23456 flow [2021-04-29 04:10:51,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 445 places, 519 transitions, 23456 flow [2021-04-29 04:10:52,077 INFO L129 PetriNetUnfolder]: 0/2333 cut-off events. [2021-04-29 04:10:52,077 INFO L130 PetriNetUnfolder]: For 118965/119232 co-relation queries the response was YES. [2021-04-29 04:10:52,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19683 conditions, 2333 events. 0/2333 cut-off events. For 118965/119232 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 35062 event pairs, 0 based on Foata normal form. 3/2275 useless extension candidates. Maximal degree in co-relation 0. Up to 273 conditions per place. [2021-04-29 04:10:52,103 INFO L146 LiptonReduction]: Number of co-enabled transitions 2448 [2021-04-29 04:10:52,164 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:52,164 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:52,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 656 [2021-04-29 04:10:52,165 INFO L480 AbstractCegarLoop]: Abstraction has has 445 places, 519 transitions, 23456 flow [2021-04-29 04:10:52,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:52,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:52,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:52,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-04-29 04:10:52,165 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:52,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:52,165 INFO L82 PathProgramCache]: Analyzing trace with hash 638731162, now seen corresponding path program 94 times [2021-04-29 04:10:52,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:52,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805201003] [2021-04-29 04:10:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:52,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:52,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:52,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:52,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:52,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:52,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:52,195 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:52,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:52,207 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:52,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:52,226 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:52,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:52,252 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:52,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:52,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805201003] [2021-04-29 04:10:52,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:52,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:52,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412392894] [2021-04-29 04:10:52,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:52,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:52,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:52,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:52,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:52,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 519 transitions, 23456 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:52,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:52,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:52,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:53,563 INFO L129 PetriNetUnfolder]: 56/2427 cut-off events. [2021-04-29 04:10:53,563 INFO L130 PetriNetUnfolder]: For 124362/127675 co-relation queries the response was YES. [2021-04-29 04:10:53,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21431 conditions, 2427 events. 56/2427 cut-off events. For 124362/127675 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 35533 event pairs, 56 based on Foata normal form. 33/2372 useless extension candidates. Maximal degree in co-relation 21299. Up to 428 conditions per place. [2021-04-29 04:10:53,585 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 333 selfloop transitions, 176 changer transitions 2/523 dead transitions. [2021-04-29 04:10:53,585 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 523 transitions, 24494 flow [2021-04-29 04:10:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:53,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:53,586 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:53,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:53,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:53,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:53,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:53,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:53,588 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:53,588 INFO L185 Difference]: Start difference. First operand has 445 places, 519 transitions, 23456 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:53,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 523 transitions, 24494 flow [2021-04-29 04:10:54,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 523 transitions, 24269 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-04-29 04:10:54,745 INFO L241 Difference]: Finished difference. Result has 449 places, 517 transitions, 23486 flow [2021-04-29 04:10:54,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23239, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23486, PETRI_PLACES=449, PETRI_TRANSITIONS=517} [2021-04-29 04:10:54,746 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 405 predicate places. [2021-04-29 04:10:54,746 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:54,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 517 transitions, 23486 flow [2021-04-29 04:10:54,747 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 517 transitions, 23486 flow [2021-04-29 04:10:54,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 517 transitions, 23486 flow [2021-04-29 04:10:55,303 INFO L129 PetriNetUnfolder]: 0/2326 cut-off events. [2021-04-29 04:10:55,303 INFO L130 PetriNetUnfolder]: For 119920/120341 co-relation queries the response was YES. [2021-04-29 04:10:55,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19789 conditions, 2326 events. 0/2326 cut-off events. For 119920/120341 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 34861 event pairs, 0 based on Foata normal form. 4/2267 useless extension candidates. Maximal degree in co-relation 0. Up to 272 conditions per place. [2021-04-29 04:10:55,328 INFO L146 LiptonReduction]: Number of co-enabled transitions 2440 [2021-04-29 04:10:55,390 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:55,390 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:55,390 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 644 [2021-04-29 04:10:55,390 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 517 transitions, 23486 flow [2021-04-29 04:10:55,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:55,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:55,391 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:55,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-04-29 04:10:55,391 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:55,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:55,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2077276460, now seen corresponding path program 95 times [2021-04-29 04:10:55,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:55,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524176038] [2021-04-29 04:10:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:55,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:55,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:55,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:55,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:55,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:55,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:55,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:55,456 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:55,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:55,484 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:55,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:55,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524176038] [2021-04-29 04:10:55,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:55,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:55,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779921758] [2021-04-29 04:10:55,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:55,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:55,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:55,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:55,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:55,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 517 transitions, 23486 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:55,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:55,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:55,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:56,773 INFO L129 PetriNetUnfolder]: 56/2420 cut-off events. [2021-04-29 04:10:56,773 INFO L130 PetriNetUnfolder]: For 124663/127964 co-relation queries the response was YES. [2021-04-29 04:10:56,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21534 conditions, 2420 events. 56/2420 cut-off events. For 124663/127964 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 35418 event pairs, 56 based on Foata normal form. 35/2367 useless extension candidates. Maximal degree in co-relation 21402. Up to 428 conditions per place. [2021-04-29 04:10:56,796 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 333 selfloop transitions, 173 changer transitions 3/521 dead transitions. [2021-04-29 04:10:56,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 521 transitions, 24520 flow [2021-04-29 04:10:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:10:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:10:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:10:56,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:10:56,798 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:10:56,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:10:56,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:56,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:10:56,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:56,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:56,800 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:56,800 INFO L185 Difference]: Start difference. First operand has 448 places, 517 transitions, 23486 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:10:56,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 521 transitions, 24520 flow [2021-04-29 04:10:57,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 521 transitions, 24352 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-29 04:10:57,944 INFO L241 Difference]: Finished difference. Result has 453 places, 514 transitions, 23516 flow [2021-04-29 04:10:57,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23326, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23516, PETRI_PLACES=453, PETRI_TRANSITIONS=514} [2021-04-29 04:10:57,945 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 409 predicate places. [2021-04-29 04:10:57,945 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:57,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 514 transitions, 23516 flow [2021-04-29 04:10:57,946 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 514 transitions, 23516 flow [2021-04-29 04:10:57,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 452 places, 514 transitions, 23516 flow [2021-04-29 04:10:58,513 INFO L129 PetriNetUnfolder]: 0/2317 cut-off events. [2021-04-29 04:10:58,514 INFO L130 PetriNetUnfolder]: For 121255/121575 co-relation queries the response was YES. [2021-04-29 04:10:58,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19828 conditions, 2317 events. 0/2317 cut-off events. For 121255/121575 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 34703 event pairs, 0 based on Foata normal form. 2/2254 useless extension candidates. Maximal degree in co-relation 0. Up to 271 conditions per place. [2021-04-29 04:10:58,540 INFO L146 LiptonReduction]: Number of co-enabled transitions 2430 [2021-04-29 04:10:58,600 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:58,601 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:58,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 656 [2021-04-29 04:10:58,601 INFO L480 AbstractCegarLoop]: Abstraction has has 452 places, 514 transitions, 23516 flow [2021-04-29 04:10:58,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:58,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:58,601 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:10:58,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-04-29 04:10:58,602 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:58,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:58,602 INFO L82 PathProgramCache]: Analyzing trace with hash 694686612, now seen corresponding path program 96 times [2021-04-29 04:10:58,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:58,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446825783] [2021-04-29 04:10:58,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:58,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:58,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:58,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:58,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:58,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:58,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:58,628 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:58,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:58,641 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:58,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:58,661 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:58,687 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:10:58,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:58,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446825783] [2021-04-29 04:10:58,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:58,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:10:58,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817866052] [2021-04-29 04:10:58,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:10:58,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:58,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:10:58,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:10:58,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:10:58,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 514 transitions, 23516 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:10:58,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:58,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:10:58,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:00,650 INFO L129 PetriNetUnfolder]: 56/2411 cut-off events. [2021-04-29 04:11:00,650 INFO L130 PetriNetUnfolder]: For 126497/129803 co-relation queries the response was YES. [2021-04-29 04:11:00,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21569 conditions, 2411 events. 56/2411 cut-off events. For 126497/129803 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 35248 event pairs, 56 based on Foata normal form. 35/2358 useless extension candidates. Maximal degree in co-relation 21437. Up to 428 conditions per place. [2021-04-29 04:11:00,671 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 331 selfloop transitions, 173 changer transitions 2/518 dead transitions. [2021-04-29 04:11:00,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 518 transitions, 24544 flow [2021-04-29 04:11:00,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:00,672 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:00,672 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:00,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:00,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:00,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:00,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:00,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:00,674 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:00,674 INFO L185 Difference]: Start difference. First operand has 452 places, 514 transitions, 23516 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:00,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 518 transitions, 24544 flow [2021-04-29 04:11:01,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 518 transitions, 24199 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:01,894 INFO L241 Difference]: Finished difference. Result has 455 places, 512 transitions, 23408 flow [2021-04-29 04:11:01,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23179, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23408, PETRI_PLACES=455, PETRI_TRANSITIONS=512} [2021-04-29 04:11:01,895 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 411 predicate places. [2021-04-29 04:11:01,895 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:01,895 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 512 transitions, 23408 flow [2021-04-29 04:11:01,895 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 512 transitions, 23408 flow [2021-04-29 04:11:01,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 512 transitions, 23408 flow [2021-04-29 04:11:02,460 INFO L129 PetriNetUnfolder]: 0/2309 cut-off events. [2021-04-29 04:11:02,460 INFO L130 PetriNetUnfolder]: For 120481/120748 co-relation queries the response was YES. [2021-04-29 04:11:02,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19772 conditions, 2309 events. 0/2309 cut-off events. For 120481/120748 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 34625 event pairs, 0 based on Foata normal form. 3/2254 useless extension candidates. Maximal degree in co-relation 0. Up to 270 conditions per place. [2021-04-29 04:11:02,486 INFO L146 LiptonReduction]: Number of co-enabled transitions 2424 [2021-04-29 04:11:02,546 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:02,546 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:02,546 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 651 [2021-04-29 04:11:02,547 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 512 transitions, 23408 flow [2021-04-29 04:11:02,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:02,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:02,547 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:02,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-04-29 04:11:02,547 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:02,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:02,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1140009100, now seen corresponding path program 97 times [2021-04-29 04:11:02,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:02,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141248675] [2021-04-29 04:11:02,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:02,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:02,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:02,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:02,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:02,572 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:02,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:02,585 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:02,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:02,604 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:02,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:02,629 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:02,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141248675] [2021-04-29 04:11:02,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:02,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:02,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718318709] [2021-04-29 04:11:02,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:02,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:02,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:02,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:02,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:02,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 512 transitions, 23408 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:02,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:02,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:02,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:03,946 INFO L129 PetriNetUnfolder]: 56/2403 cut-off events. [2021-04-29 04:11:03,946 INFO L130 PetriNetUnfolder]: For 125870/129176 co-relation queries the response was YES. [2021-04-29 04:11:03,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21510 conditions, 2403 events. 56/2403 cut-off events. For 125870/129176 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 35086 event pairs, 56 based on Foata normal form. 33/2348 useless extension candidates. Maximal degree in co-relation 21378. Up to 428 conditions per place. [2021-04-29 04:11:03,968 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 316 selfloop transitions, 185 changer transitions 3/516 dead transitions. [2021-04-29 04:11:03,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 516 transitions, 24432 flow [2021-04-29 04:11:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:03,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:03,969 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:03,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:03,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:03,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:03,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:03,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:03,971 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:03,972 INFO L185 Difference]: Start difference. First operand has 454 places, 512 transitions, 23408 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:03,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 516 transitions, 24432 flow [2021-04-29 04:11:05,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 516 transitions, 24032 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:05,144 INFO L241 Difference]: Finished difference. Result has 457 places, 509 transitions, 23222 flow [2021-04-29 04:11:05,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23016, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23222, PETRI_PLACES=457, PETRI_TRANSITIONS=509} [2021-04-29 04:11:05,145 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 413 predicate places. [2021-04-29 04:11:05,145 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:05,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 509 transitions, 23222 flow [2021-04-29 04:11:05,145 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 509 transitions, 23222 flow [2021-04-29 04:11:05,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 509 transitions, 23222 flow [2021-04-29 04:11:05,704 INFO L129 PetriNetUnfolder]: 0/2301 cut-off events. [2021-04-29 04:11:05,704 INFO L130 PetriNetUnfolder]: For 118842/119156 co-relation queries the response was YES. [2021-04-29 04:11:05,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19603 conditions, 2301 events. 0/2301 cut-off events. For 118842/119156 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 34428 event pairs, 0 based on Foata normal form. 3/2235 useless extension candidates. Maximal degree in co-relation 0. Up to 269 conditions per place. [2021-04-29 04:11:05,730 INFO L146 LiptonReduction]: Number of co-enabled transitions 2406 [2021-04-29 04:11:05,789 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:05,789 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:05,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 644 [2021-04-29 04:11:05,790 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 509 transitions, 23222 flow [2021-04-29 04:11:05,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:05,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:05,790 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:05,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-04-29 04:11:05,790 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:05,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:05,791 INFO L82 PathProgramCache]: Analyzing trace with hash 135470668, now seen corresponding path program 98 times [2021-04-29 04:11:05,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:05,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500074493] [2021-04-29 04:11:05,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:05,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:05,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:05,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:05,815 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:05,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:05,832 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:05,854 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:05,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:05,886 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:05,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:05,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500074493] [2021-04-29 04:11:05,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:05,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:05,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25463004] [2021-04-29 04:11:05,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:05,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:05,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:05,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:05,918 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:05,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 509 transitions, 23222 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:05,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:05,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:05,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:07,134 INFO L129 PetriNetUnfolder]: 56/2395 cut-off events. [2021-04-29 04:11:07,134 INFO L130 PetriNetUnfolder]: For 124215/127516 co-relation queries the response was YES. [2021-04-29 04:11:07,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21337 conditions, 2395 events. 56/2395 cut-off events. For 124215/127516 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 34948 event pairs, 56 based on Foata normal form. 33/2340 useless extension candidates. Maximal degree in co-relation 21205. Up to 428 conditions per place. [2021-04-29 04:11:07,155 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 314 selfloop transitions, 185 changer transitions 2/513 dead transitions. [2021-04-29 04:11:07,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 513 transitions, 24240 flow [2021-04-29 04:11:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:07,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:07,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:07,156 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:07,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:07,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:07,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:07,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:07,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:07,158 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:07,158 INFO L185 Difference]: Start difference. First operand has 456 places, 509 transitions, 23222 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:07,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 513 transitions, 24240 flow [2021-04-29 04:11:08,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 513 transitions, 23873 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:08,333 INFO L241 Difference]: Finished difference. Result has 459 places, 507 transitions, 23121 flow [2021-04-29 04:11:08,334 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22863, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23121, PETRI_PLACES=459, PETRI_TRANSITIONS=507} [2021-04-29 04:11:08,334 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 415 predicate places. [2021-04-29 04:11:08,334 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:08,334 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 459 places, 507 transitions, 23121 flow [2021-04-29 04:11:08,334 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 459 places, 507 transitions, 23121 flow [2021-04-29 04:11:08,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 458 places, 507 transitions, 23121 flow [2021-04-29 04:11:08,891 INFO L129 PetriNetUnfolder]: 0/2294 cut-off events. [2021-04-29 04:11:08,891 INFO L130 PetriNetUnfolder]: For 118347/118614 co-relation queries the response was YES. [2021-04-29 04:11:08,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19548 conditions, 2294 events. 0/2294 cut-off events. For 118347/118614 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 34311 event pairs, 0 based on Foata normal form. 3/2235 useless extension candidates. Maximal degree in co-relation 0. Up to 268 conditions per place. [2021-04-29 04:11:08,917 INFO L146 LiptonReduction]: Number of co-enabled transitions 2398 [2021-04-29 04:11:08,976 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:08,976 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:08,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 642 [2021-04-29 04:11:08,977 INFO L480 AbstractCegarLoop]: Abstraction has has 458 places, 507 transitions, 23121 flow [2021-04-29 04:11:08,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:08,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:08,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:08,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-04-29 04:11:08,978 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:08,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:08,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1520729992, now seen corresponding path program 99 times [2021-04-29 04:11:08,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:08,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282548673] [2021-04-29 04:11:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:08,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:08,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:08,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:08,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:08,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:08,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:09,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:09,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:09,027 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:09,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:09,045 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:09,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:09,071 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:09,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:09,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282548673] [2021-04-29 04:11:09,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:09,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:09,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199094189] [2021-04-29 04:11:09,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:09,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:09,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:09,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:09,098 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:09,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 507 transitions, 23121 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:09,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:09,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:09,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:10,356 INFO L129 PetriNetUnfolder]: 56/2388 cut-off events. [2021-04-29 04:11:10,356 INFO L130 PetriNetUnfolder]: For 123764/127070 co-relation queries the response was YES. [2021-04-29 04:11:10,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21279 conditions, 2388 events. 56/2388 cut-off events. For 123764/127070 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 34825 event pairs, 56 based on Foata normal form. 35/2335 useless extension candidates. Maximal degree in co-relation 21147. Up to 428 conditions per place. [2021-04-29 04:11:10,378 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 318 selfloop transitions, 179 changer transitions 2/511 dead transitions. [2021-04-29 04:11:10,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 511 transitions, 24135 flow [2021-04-29 04:11:10,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:10,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:10,379 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:10,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:10,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:10,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:10,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:10,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:10,380 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:10,380 INFO L185 Difference]: Start difference. First operand has 458 places, 507 transitions, 23121 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:10,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 511 transitions, 24135 flow [2021-04-29 04:11:11,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 511 transitions, 23826 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-04-29 04:11:11,574 INFO L241 Difference]: Finished difference. Result has 462 places, 505 transitions, 23051 flow [2021-04-29 04:11:11,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22820, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23051, PETRI_PLACES=462, PETRI_TRANSITIONS=505} [2021-04-29 04:11:11,575 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 418 predicate places. [2021-04-29 04:11:11,575 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:11,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 505 transitions, 23051 flow [2021-04-29 04:11:11,575 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 505 transitions, 23051 flow [2021-04-29 04:11:11,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 461 places, 505 transitions, 23051 flow [2021-04-29 04:11:12,128 INFO L129 PetriNetUnfolder]: 0/2286 cut-off events. [2021-04-29 04:11:12,128 INFO L130 PetriNetUnfolder]: For 118309/118675 co-relation queries the response was YES. [2021-04-29 04:11:12,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19541 conditions, 2286 events. 0/2286 cut-off events. For 118309/118675 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 34189 event pairs, 0 based on Foata normal form. 4/2221 useless extension candidates. Maximal degree in co-relation 0. Up to 267 conditions per place. [2021-04-29 04:11:12,154 INFO L146 LiptonReduction]: Number of co-enabled transitions 2392 [2021-04-29 04:11:12,213 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:12,213 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:12,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 638 [2021-04-29 04:11:12,214 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 505 transitions, 23051 flow [2021-04-29 04:11:12,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:12,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:12,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:12,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-04-29 04:11:12,214 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:12,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:12,214 INFO L82 PathProgramCache]: Analyzing trace with hash 509181786, now seen corresponding path program 100 times [2021-04-29 04:11:12,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:12,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560036140] [2021-04-29 04:11:12,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:12,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:12,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:12,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:12,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:12,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:12,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:12,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:12,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:12,257 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:12,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:12,281 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:12,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:12,312 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:12,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:12,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560036140] [2021-04-29 04:11:12,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:12,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:12,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342445000] [2021-04-29 04:11:12,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:12,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:12,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:12,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:12,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:12,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 505 transitions, 23051 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:12,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:12,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:12,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:13,590 INFO L129 PetriNetUnfolder]: 56/2380 cut-off events. [2021-04-29 04:11:13,590 INFO L130 PetriNetUnfolder]: For 123280/126590 co-relation queries the response was YES. [2021-04-29 04:11:13,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21269 conditions, 2380 events. 56/2380 cut-off events. For 123280/126590 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 34687 event pairs, 56 based on Foata normal form. 35/2327 useless extension candidates. Maximal degree in co-relation 21137. Up to 428 conditions per place. [2021-04-29 04:11:13,611 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 312 selfloop transitions, 182 changer transitions 3/509 dead transitions. [2021-04-29 04:11:13,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 509 transitions, 24061 flow [2021-04-29 04:11:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:13,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:13,613 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:13,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:13,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:13,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:13,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:13,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:13,614 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:13,615 INFO L185 Difference]: Start difference. First operand has 461 places, 505 transitions, 23051 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:13,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 509 transitions, 24061 flow [2021-04-29 04:11:14,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 509 transitions, 23873 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:11:14,882 INFO L241 Difference]: Finished difference. Result has 465 places, 502 transitions, 23057 flow [2021-04-29 04:11:14,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22871, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23057, PETRI_PLACES=465, PETRI_TRANSITIONS=502} [2021-04-29 04:11:14,882 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 421 predicate places. [2021-04-29 04:11:14,883 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:14,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 465 places, 502 transitions, 23057 flow [2021-04-29 04:11:14,883 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 465 places, 502 transitions, 23057 flow [2021-04-29 04:11:14,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 502 transitions, 23057 flow [2021-04-29 04:11:15,446 INFO L129 PetriNetUnfolder]: 0/2278 cut-off events. [2021-04-29 04:11:15,446 INFO L130 PetriNetUnfolder]: For 117592/117862 co-relation queries the response was YES. [2021-04-29 04:11:15,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19671 conditions, 2278 events. 0/2278 cut-off events. For 117592/117862 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 34004 event pairs, 0 based on Foata normal form. 3/2220 useless extension candidates. Maximal degree in co-relation 0. Up to 266 conditions per place. [2021-04-29 04:11:15,473 INFO L146 LiptonReduction]: Number of co-enabled transitions 2378 [2021-04-29 04:11:15,532 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:15,533 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:15,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 650 [2021-04-29 04:11:15,533 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 502 transitions, 23057 flow [2021-04-29 04:11:15,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:15,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:15,533 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:15,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-04-29 04:11:15,534 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:15,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:15,534 INFO L82 PathProgramCache]: Analyzing trace with hash 78428082, now seen corresponding path program 101 times [2021-04-29 04:11:15,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:15,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427805506] [2021-04-29 04:11:15,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:15,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:15,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:15,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:15,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:15,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:15,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:15,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:15,581 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:15,610 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:11:15,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:11:15,644 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:15,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:15,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427805506] [2021-04-29 04:11:15,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:15,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:15,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990057399] [2021-04-29 04:11:15,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:15,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:15,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:15,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:15,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:15,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 502 transitions, 23057 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:15,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:15,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:15,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:16,886 INFO L129 PetriNetUnfolder]: 56/2372 cut-off events. [2021-04-29 04:11:16,886 INFO L130 PetriNetUnfolder]: For 123012/126313 co-relation queries the response was YES. [2021-04-29 04:11:16,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21395 conditions, 2372 events. 56/2372 cut-off events. For 123012/126313 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 34582 event pairs, 56 based on Foata normal form. 33/2317 useless extension candidates. Maximal degree in co-relation 21264. Up to 428 conditions per place. [2021-04-29 04:11:16,907 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 311 selfloop transitions, 181 changer transitions 2/506 dead transitions. [2021-04-29 04:11:16,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 506 transitions, 24061 flow [2021-04-29 04:11:16,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:16,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:16,908 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:16,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:16,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:16,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:16,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:16,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:16,909 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:16,909 INFO L185 Difference]: Start difference. First operand has 464 places, 502 transitions, 23057 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:16,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 506 transitions, 24061 flow [2021-04-29 04:11:18,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 506 transitions, 23775 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:11:18,116 INFO L241 Difference]: Finished difference. Result has 468 places, 500 transitions, 23012 flow [2021-04-29 04:11:18,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22779, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23012, PETRI_PLACES=468, PETRI_TRANSITIONS=500} [2021-04-29 04:11:18,116 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 424 predicate places. [2021-04-29 04:11:18,116 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:18,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 500 transitions, 23012 flow [2021-04-29 04:11:18,117 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 500 transitions, 23012 flow [2021-04-29 04:11:18,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 500 transitions, 23012 flow [2021-04-29 04:11:18,660 INFO L129 PetriNetUnfolder]: 0/2270 cut-off events. [2021-04-29 04:11:18,660 INFO L130 PetriNetUnfolder]: For 117374/117681 co-relation queries the response was YES. [2021-04-29 04:11:18,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19673 conditions, 2270 events. 0/2270 cut-off events. For 117374/117681 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 33902 event pairs, 0 based on Foata normal form. 3/2204 useless extension candidates. Maximal degree in co-relation 0. Up to 265 conditions per place. [2021-04-29 04:11:18,686 INFO L146 LiptonReduction]: Number of co-enabled transitions 2364 [2021-04-29 04:11:18,744 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:18,744 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:18,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 628 [2021-04-29 04:11:18,744 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 500 transitions, 23012 flow [2021-04-29 04:11:18,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:18,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:18,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:18,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-04-29 04:11:18,745 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:18,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1812320544, now seen corresponding path program 102 times [2021-04-29 04:11:18,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:18,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538613596] [2021-04-29 04:11:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:18,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:18,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:18,828 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:18,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:18,862 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:18,890 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:18,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:18,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538613596] [2021-04-29 04:11:18,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:18,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:18,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129872213] [2021-04-29 04:11:18,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:18,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:18,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:18,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:18,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:18,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 500 transitions, 23012 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:18,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:18,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:18,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:20,337 INFO L129 PetriNetUnfolder]: 56/2364 cut-off events. [2021-04-29 04:11:20,337 INFO L130 PetriNetUnfolder]: For 122643/125945 co-relation queries the response was YES. [2021-04-29 04:11:20,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21394 conditions, 2364 events. 56/2364 cut-off events. For 122643/125945 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 34418 event pairs, 56 based on Foata normal form. 33/2309 useless extension candidates. Maximal degree in co-relation 21263. Up to 428 conditions per place. [2021-04-29 04:11:20,370 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 307 selfloop transitions, 183 changer transitions 2/504 dead transitions. [2021-04-29 04:11:20,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 504 transitions, 24012 flow [2021-04-29 04:11:20,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:20,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:20,372 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:20,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:20,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:20,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:20,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:20,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:20,374 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:20,374 INFO L185 Difference]: Start difference. First operand has 467 places, 500 transitions, 23012 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:20,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 504 transitions, 24012 flow [2021-04-29 04:11:21,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 504 transitions, 23647 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-04-29 04:11:21,647 INFO L241 Difference]: Finished difference. Result has 469 places, 498 transitions, 22888 flow [2021-04-29 04:11:21,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22655, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22888, PETRI_PLACES=469, PETRI_TRANSITIONS=498} [2021-04-29 04:11:21,647 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 425 predicate places. [2021-04-29 04:11:21,647 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:21,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 498 transitions, 22888 flow [2021-04-29 04:11:21,648 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 498 transitions, 22888 flow [2021-04-29 04:11:21,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 498 transitions, 22888 flow [2021-04-29 04:11:22,183 INFO L129 PetriNetUnfolder]: 0/2263 cut-off events. [2021-04-29 04:11:22,184 INFO L130 PetriNetUnfolder]: For 115373/115646 co-relation queries the response was YES. [2021-04-29 04:11:22,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19651 conditions, 2263 events. 0/2263 cut-off events. For 115373/115646 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 33776 event pairs, 0 based on Foata normal form. 3/2201 useless extension candidates. Maximal degree in co-relation 0. Up to 264 conditions per place. [2021-04-29 04:11:22,210 INFO L146 LiptonReduction]: Number of co-enabled transitions 2356 [2021-04-29 04:11:22,267 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:22,267 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:22,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 620 [2021-04-29 04:11:22,268 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 498 transitions, 22888 flow [2021-04-29 04:11:22,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:22,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:22,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:22,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-04-29 04:11:22,268 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:22,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:22,269 INFO L82 PathProgramCache]: Analyzing trace with hash 99434290, now seen corresponding path program 103 times [2021-04-29 04:11:22,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:22,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288296039] [2021-04-29 04:11:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:22,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:22,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:22,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:22,297 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:22,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:22,319 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:22,355 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:11:22,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:11:22,383 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:22,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:22,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288296039] [2021-04-29 04:11:22,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:22,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:22,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466167283] [2021-04-29 04:11:22,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:22,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:22,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:22,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:22,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:22,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 498 transitions, 22888 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:22,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:22,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:22,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:23,604 INFO L129 PetriNetUnfolder]: 56/2357 cut-off events. [2021-04-29 04:11:23,605 INFO L130 PetriNetUnfolder]: For 120714/124024 co-relation queries the response was YES. [2021-04-29 04:11:23,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21369 conditions, 2357 events. 56/2357 cut-off events. For 120714/124024 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 34247 event pairs, 56 based on Foata normal form. 35/2304 useless extension candidates. Maximal degree in co-relation 21240. Up to 428 conditions per place. [2021-04-29 04:11:23,625 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 305 selfloop transitions, 182 changer transitions 3/502 dead transitions. [2021-04-29 04:11:23,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 502 transitions, 23884 flow [2021-04-29 04:11:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:23,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:23,626 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:23,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:23,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:23,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:23,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:23,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:23,627 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:23,627 INFO L185 Difference]: Start difference. First operand has 468 places, 498 transitions, 22888 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:23,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 502 transitions, 23884 flow [2021-04-29 04:11:24,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 502 transitions, 23538 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:24,832 INFO L241 Difference]: Finished difference. Result has 471 places, 495 transitions, 22736 flow [2021-04-29 04:11:24,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22550, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22736, PETRI_PLACES=471, PETRI_TRANSITIONS=495} [2021-04-29 04:11:24,833 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 427 predicate places. [2021-04-29 04:11:24,833 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:24,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 495 transitions, 22736 flow [2021-04-29 04:11:24,833 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 495 transitions, 22736 flow [2021-04-29 04:11:24,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 495 transitions, 22736 flow [2021-04-29 04:11:25,381 INFO L129 PetriNetUnfolder]: 0/2254 cut-off events. [2021-04-29 04:11:25,381 INFO L130 PetriNetUnfolder]: For 113447/113714 co-relation queries the response was YES. [2021-04-29 04:11:25,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19608 conditions, 2254 events. 0/2254 cut-off events. For 113447/113714 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 33621 event pairs, 0 based on Foata normal form. 3/2196 useless extension candidates. Maximal degree in co-relation 0. Up to 263 conditions per place. [2021-04-29 04:11:25,407 INFO L146 LiptonReduction]: Number of co-enabled transitions 2336 [2021-04-29 04:11:25,465 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:25,465 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:25,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 632 [2021-04-29 04:11:25,466 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 495 transitions, 22736 flow [2021-04-29 04:11:25,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:25,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:25,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:25,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-04-29 04:11:25,466 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:25,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:25,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1490074388, now seen corresponding path program 104 times [2021-04-29 04:11:25,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:25,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341988479] [2021-04-29 04:11:25,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:25,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:25,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:25,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:25,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:25,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:25,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:25,510 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:25,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:25,534 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:25,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:25,565 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:25,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:25,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341988479] [2021-04-29 04:11:25,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:25,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:25,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422490037] [2021-04-29 04:11:25,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:25,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:25,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:25,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:25,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:25,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 495 transitions, 22736 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:25,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:25,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:25,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:26,795 INFO L129 PetriNetUnfolder]: 56/2348 cut-off events. [2021-04-29 04:11:26,795 INFO L130 PetriNetUnfolder]: For 118859/122165 co-relation queries the response was YES. [2021-04-29 04:11:26,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21322 conditions, 2348 events. 56/2348 cut-off events. For 118859/122165 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 34082 event pairs, 56 based on Foata normal form. 35/2295 useless extension candidates. Maximal degree in co-relation 21194. Up to 428 conditions per place. [2021-04-29 04:11:26,815 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 322 selfloop transitions, 163 changer transitions 2/499 dead transitions. [2021-04-29 04:11:26,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 499 transitions, 23726 flow [2021-04-29 04:11:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:26,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:26,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:26,817 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:26,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:26,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:26,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:26,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:26,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:26,819 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:26,819 INFO L185 Difference]: Start difference. First operand has 470 places, 495 transitions, 22736 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:26,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 499 transitions, 23726 flow [2021-04-29 04:11:27,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 499 transitions, 23373 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:27,996 INFO L241 Difference]: Finished difference. Result has 473 places, 493 transitions, 22601 flow [2021-04-29 04:11:27,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22391, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22601, PETRI_PLACES=473, PETRI_TRANSITIONS=493} [2021-04-29 04:11:27,997 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 429 predicate places. [2021-04-29 04:11:27,997 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:27,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 493 transitions, 22601 flow [2021-04-29 04:11:27,997 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 493 transitions, 22601 flow [2021-04-29 04:11:28,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 493 transitions, 22601 flow [2021-04-29 04:11:28,525 INFO L129 PetriNetUnfolder]: 0/2246 cut-off events. [2021-04-29 04:11:28,525 INFO L130 PetriNetUnfolder]: For 113060/113380 co-relation queries the response was YES. [2021-04-29 04:11:28,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19542 conditions, 2246 events. 0/2246 cut-off events. For 113060/113380 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 33445 event pairs, 0 based on Foata normal form. 2/2182 useless extension candidates. Maximal degree in co-relation 0. Up to 262 conditions per place. [2021-04-29 04:11:28,550 INFO L146 LiptonReduction]: Number of co-enabled transitions 2332 [2021-04-29 04:11:28,605 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:28,605 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:28,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 608 [2021-04-29 04:11:28,606 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 493 transitions, 22601 flow [2021-04-29 04:11:28,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:28,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:28,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:28,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-04-29 04:11:28,606 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:28,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:28,606 INFO L82 PathProgramCache]: Analyzing trace with hash 528083736, now seen corresponding path program 105 times [2021-04-29 04:11:28,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:28,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261114688] [2021-04-29 04:11:28,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:28,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:28,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:28,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:28,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:28,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:28,629 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:28,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:28,661 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:28,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:28,695 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:28,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:28,724 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:28,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:28,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261114688] [2021-04-29 04:11:28,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:28,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:28,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229197543] [2021-04-29 04:11:28,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:28,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:28,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:28,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:28,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:28,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 493 transitions, 22601 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:28,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:28,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:28,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:30,080 INFO L129 PetriNetUnfolder]: 56/2340 cut-off events. [2021-04-29 04:11:30,080 INFO L130 PetriNetUnfolder]: For 118263/121569 co-relation queries the response was YES. [2021-04-29 04:11:30,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21253 conditions, 2340 events. 56/2340 cut-off events. For 118263/121569 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 33943 event pairs, 56 based on Foata normal form. 33/2285 useless extension candidates. Maximal degree in co-relation 21125. Up to 428 conditions per place. [2021-04-29 04:11:30,101 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 308 selfloop transitions, 175 changer transitions 2/497 dead transitions. [2021-04-29 04:11:30,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 497 transitions, 23587 flow [2021-04-29 04:11:30,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:30,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:30,103 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:30,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:30,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:30,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:30,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:30,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:30,104 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:30,104 INFO L185 Difference]: Start difference. First operand has 472 places, 493 transitions, 22601 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:30,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 497 transitions, 23587 flow [2021-04-29 04:11:31,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 497 transitions, 23252 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:11:31,252 INFO L241 Difference]: Finished difference. Result has 474 places, 491 transitions, 22514 flow [2021-04-29 04:11:31,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22274, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22514, PETRI_PLACES=474, PETRI_TRANSITIONS=491} [2021-04-29 04:11:31,252 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 430 predicate places. [2021-04-29 04:11:31,253 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:31,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 474 places, 491 transitions, 22514 flow [2021-04-29 04:11:31,253 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 474 places, 491 transitions, 22514 flow [2021-04-29 04:11:31,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 473 places, 491 transitions, 22514 flow [2021-04-29 04:11:31,797 INFO L129 PetriNetUnfolder]: 0/2237 cut-off events. [2021-04-29 04:11:31,797 INFO L130 PetriNetUnfolder]: For 112053/112320 co-relation queries the response was YES. [2021-04-29 04:11:31,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19455 conditions, 2237 events. 0/2237 cut-off events. For 112053/112320 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 33318 event pairs, 0 based on Foata normal form. 3/2173 useless extension candidates. Maximal degree in co-relation 0. Up to 261 conditions per place. [2021-04-29 04:11:31,822 INFO L146 LiptonReduction]: Number of co-enabled transitions 2326 [2021-04-29 04:11:31,877 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:31,877 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:31,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-04-29 04:11:31,877 INFO L480 AbstractCegarLoop]: Abstraction has has 473 places, 491 transitions, 22514 flow [2021-04-29 04:11:31,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:31,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:31,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:31,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-04-29 04:11:31,878 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:31,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:31,878 INFO L82 PathProgramCache]: Analyzing trace with hash 356332236, now seen corresponding path program 106 times [2021-04-29 04:11:31,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:31,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894296980] [2021-04-29 04:11:31,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:31,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:31,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:31,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:31,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:31,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:31,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:31,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:11:31,916 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:31,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:31,934 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:31,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:31,964 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:31,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:31,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:31,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894296980] [2021-04-29 04:11:31,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:31,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:31,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624516738] [2021-04-29 04:11:31,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:31,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:31,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:31,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:31,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:31,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 491 transitions, 22514 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:31,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:32,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:32,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:33,184 INFO L129 PetriNetUnfolder]: 56/2331 cut-off events. [2021-04-29 04:11:33,185 INFO L130 PetriNetUnfolder]: For 117518/120819 co-relation queries the response was YES. [2021-04-29 04:11:33,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21162 conditions, 2331 events. 56/2331 cut-off events. For 117518/120819 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 33779 event pairs, 56 based on Foata normal form. 33/2276 useless extension candidates. Maximal degree in co-relation 21035. Up to 428 conditions per place. [2021-04-29 04:11:33,213 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 308 selfloop transitions, 173 changer transitions 2/495 dead transitions. [2021-04-29 04:11:33,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 495 transitions, 23496 flow [2021-04-29 04:11:33,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:33,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:33,215 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:33,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:33,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:33,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:33,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:33,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:33,217 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:33,217 INFO L185 Difference]: Start difference. First operand has 473 places, 491 transitions, 22514 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:33,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 495 transitions, 23496 flow [2021-04-29 04:11:34,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 495 transitions, 23147 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:34,318 INFO L241 Difference]: Finished difference. Result has 476 places, 489 transitions, 22392 flow [2021-04-29 04:11:34,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22173, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22392, PETRI_PLACES=476, PETRI_TRANSITIONS=489} [2021-04-29 04:11:34,319 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 432 predicate places. [2021-04-29 04:11:34,319 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:34,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 489 transitions, 22392 flow [2021-04-29 04:11:34,319 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 489 transitions, 22392 flow [2021-04-29 04:11:34,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 475 places, 489 transitions, 22392 flow [2021-04-29 04:11:34,849 INFO L129 PetriNetUnfolder]: 0/2229 cut-off events. [2021-04-29 04:11:34,849 INFO L130 PetriNetUnfolder]: For 111605/111919 co-relation queries the response was YES. [2021-04-29 04:11:34,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19376 conditions, 2229 events. 0/2229 cut-off events. For 111605/111919 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 33135 event pairs, 0 based on Foata normal form. 3/2160 useless extension candidates. Maximal degree in co-relation 0. Up to 260 conditions per place. [2021-04-29 04:11:34,874 INFO L146 LiptonReduction]: Number of co-enabled transitions 2322 [2021-04-29 04:11:34,931 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:34,931 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:34,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 612 [2021-04-29 04:11:34,932 INFO L480 AbstractCegarLoop]: Abstraction has has 475 places, 489 transitions, 22392 flow [2021-04-29 04:11:34,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:34,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:34,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:34,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-04-29 04:11:34,932 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:34,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:34,932 INFO L82 PathProgramCache]: Analyzing trace with hash -918704918, now seen corresponding path program 107 times [2021-04-29 04:11:34,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:34,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446318931] [2021-04-29 04:11:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:34,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:34,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:34,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:34,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:34,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:34,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:11:34,973 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:34,996 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:34,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:35,025 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:35,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:35,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446318931] [2021-04-29 04:11:35,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:35,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:35,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146123279] [2021-04-29 04:11:35,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:35,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:35,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:35,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:35,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:35,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 489 transitions, 22392 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:35,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:35,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:35,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:36,235 INFO L129 PetriNetUnfolder]: 56/2323 cut-off events. [2021-04-29 04:11:36,236 INFO L130 PetriNetUnfolder]: For 116914/120220 co-relation queries the response was YES. [2021-04-29 04:11:36,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21080 conditions, 2323 events. 56/2323 cut-off events. For 116914/120220 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 33648 event pairs, 56 based on Foata normal form. 35/2270 useless extension candidates. Maximal degree in co-relation 20953. Up to 428 conditions per place. [2021-04-29 04:11:36,257 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 304 selfloop transitions, 175 changer transitions 2/493 dead transitions. [2021-04-29 04:11:36,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 493 transitions, 23370 flow [2021-04-29 04:11:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:36,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:36,258 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:36,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:36,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:36,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:36,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:36,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:36,259 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:36,259 INFO L185 Difference]: Start difference. First operand has 475 places, 489 transitions, 22392 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:36,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 493 transitions, 23370 flow [2021-04-29 04:11:37,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 493 transitions, 23026 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:37,359 INFO L241 Difference]: Finished difference. Result has 478 places, 487 transitions, 22270 flow [2021-04-29 04:11:37,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22056, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=489, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22270, PETRI_PLACES=478, PETRI_TRANSITIONS=487} [2021-04-29 04:11:37,359 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 434 predicate places. [2021-04-29 04:11:37,359 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:37,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 487 transitions, 22270 flow [2021-04-29 04:11:37,360 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 487 transitions, 22270 flow [2021-04-29 04:11:37,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 487 transitions, 22270 flow [2021-04-29 04:11:37,881 INFO L129 PetriNetUnfolder]: 0/2223 cut-off events. [2021-04-29 04:11:37,882 INFO L130 PetriNetUnfolder]: For 110826/111093 co-relation queries the response was YES. [2021-04-29 04:11:37,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19299 conditions, 2223 events. 0/2223 cut-off events. For 110826/111093 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 33060 event pairs, 0 based on Foata normal form. 3/2156 useless extension candidates. Maximal degree in co-relation 0. Up to 259 conditions per place. [2021-04-29 04:11:37,906 INFO L146 LiptonReduction]: Number of co-enabled transitions 2310 [2021-04-29 04:11:37,961 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:37,962 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:37,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 603 [2021-04-29 04:11:37,962 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 487 transitions, 22270 flow [2021-04-29 04:11:37,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:37,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:37,962 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:37,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-04-29 04:11:37,962 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:37,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:37,963 INFO L82 PathProgramCache]: Analyzing trace with hash -242846420, now seen corresponding path program 108 times [2021-04-29 04:11:37,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:37,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248799786] [2021-04-29 04:11:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:37,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:37,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:37,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:37,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:37,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:11:38,001 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:38,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:38,026 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:11:38,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:11:38,060 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:38,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:38,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248799786] [2021-04-29 04:11:38,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:38,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:38,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897581408] [2021-04-29 04:11:38,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:38,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:38,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:38,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:38,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:38,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 487 transitions, 22270 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:38,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:38,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:38,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:39,243 INFO L129 PetriNetUnfolder]: 56/2317 cut-off events. [2021-04-29 04:11:39,244 INFO L130 PetriNetUnfolder]: For 116232/119542 co-relation queries the response was YES. [2021-04-29 04:11:39,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21000 conditions, 2317 events. 56/2317 cut-off events. For 116232/119542 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 33535 event pairs, 56 based on Foata normal form. 35/2265 useless extension candidates. Maximal degree in co-relation 20873. Up to 428 conditions per place. [2021-04-29 04:11:39,264 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 301 selfloop transitions, 176 changer transitions 2/491 dead transitions. [2021-04-29 04:11:39,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 491 transitions, 23244 flow [2021-04-29 04:11:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:39,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:39,266 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:39,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:39,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:39,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:39,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:39,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:39,267 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:39,267 INFO L185 Difference]: Start difference. First operand has 477 places, 487 transitions, 22270 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:39,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 491 transitions, 23244 flow [2021-04-29 04:11:40,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 491 transitions, 22906 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:40,365 INFO L241 Difference]: Finished difference. Result has 480 places, 485 transitions, 22150 flow [2021-04-29 04:11:40,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21940, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22150, PETRI_PLACES=480, PETRI_TRANSITIONS=485} [2021-04-29 04:11:40,366 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 436 predicate places. [2021-04-29 04:11:40,366 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:40,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 480 places, 485 transitions, 22150 flow [2021-04-29 04:11:40,366 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 480 places, 485 transitions, 22150 flow [2021-04-29 04:11:40,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 485 transitions, 22150 flow [2021-04-29 04:11:40,876 INFO L129 PetriNetUnfolder]: 0/2217 cut-off events. [2021-04-29 04:11:40,876 INFO L130 PetriNetUnfolder]: For 109315/109680 co-relation queries the response was YES. [2021-04-29 04:11:40,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19262 conditions, 2217 events. 0/2217 cut-off events. For 109315/109680 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 32885 event pairs, 0 based on Foata normal form. 4/2154 useless extension candidates. Maximal degree in co-relation 0. Up to 258 conditions per place. [2021-04-29 04:11:40,901 INFO L146 LiptonReduction]: Number of co-enabled transitions 2292 [2021-04-29 04:11:40,955 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:40,955 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:40,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 589 [2021-04-29 04:11:40,955 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 485 transitions, 22150 flow [2021-04-29 04:11:40,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:40,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:40,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:40,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-04-29 04:11:40,956 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:40,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:40,956 INFO L82 PathProgramCache]: Analyzing trace with hash 2145557942, now seen corresponding path program 109 times [2021-04-29 04:11:40,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:40,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853966438] [2021-04-29 04:11:40,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:40,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:40,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:40,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:40,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:40,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:40,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:40,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:40,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:11:40,997 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:41,038 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:41,069 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:41,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853966438] [2021-04-29 04:11:41,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:41,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:41,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421474166] [2021-04-29 04:11:41,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:41,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:41,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:41,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:41,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:41,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 485 transitions, 22150 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:41,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:41,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:41,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:42,208 INFO L129 PetriNetUnfolder]: 56/2311 cut-off events. [2021-04-29 04:11:42,209 INFO L130 PetriNetUnfolder]: For 114326/117627 co-relation queries the response was YES. [2021-04-29 04:11:42,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20960 conditions, 2311 events. 56/2311 cut-off events. For 114326/117627 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 33424 event pairs, 56 based on Foata normal form. 33/2257 useless extension candidates. Maximal degree in co-relation 20834. Up to 428 conditions per place. [2021-04-29 04:11:42,228 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 175 changer transitions 2/489 dead transitions. [2021-04-29 04:11:42,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 489 transitions, 23120 flow [2021-04-29 04:11:42,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:42,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:42,229 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:42,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:42,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:42,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:42,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:42,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:42,230 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:42,230 INFO L185 Difference]: Start difference. First operand has 479 places, 485 transitions, 22150 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:42,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 489 transitions, 23120 flow [2021-04-29 04:11:43,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 489 transitions, 22777 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:43,295 INFO L241 Difference]: Finished difference. Result has 482 places, 483 transitions, 22038 flow [2021-04-29 04:11:43,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21815, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22038, PETRI_PLACES=482, PETRI_TRANSITIONS=483} [2021-04-29 04:11:43,295 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 438 predicate places. [2021-04-29 04:11:43,295 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:43,295 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 483 transitions, 22038 flow [2021-04-29 04:11:43,296 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 483 transitions, 22038 flow [2021-04-29 04:11:43,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 481 places, 483 transitions, 22038 flow [2021-04-29 04:11:43,817 INFO L129 PetriNetUnfolder]: 0/2208 cut-off events. [2021-04-29 04:11:43,817 INFO L130 PetriNetUnfolder]: For 108322/108592 co-relation queries the response was YES. [2021-04-29 04:11:43,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19166 conditions, 2208 events. 0/2208 cut-off events. For 108322/108592 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 32796 event pairs, 0 based on Foata normal form. 3/2148 useless extension candidates. Maximal degree in co-relation 0. Up to 257 conditions per place. [2021-04-29 04:11:43,842 INFO L146 LiptonReduction]: Number of co-enabled transitions 2286 [2021-04-29 04:11:43,897 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:43,897 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:43,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-04-29 04:11:43,898 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 483 transitions, 22038 flow [2021-04-29 04:11:43,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:43,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:43,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:43,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-04-29 04:11:43,898 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:43,899 INFO L82 PathProgramCache]: Analyzing trace with hash 2066945544, now seen corresponding path program 110 times [2021-04-29 04:11:43,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:43,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990533468] [2021-04-29 04:11:43,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:43,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:43,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:43,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:43,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:11:43,940 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:43,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:43,957 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:43,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:43,983 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:43,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:44,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990533468] [2021-04-29 04:11:44,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:44,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:44,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865494308] [2021-04-29 04:11:44,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:44,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:44,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:44,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:44,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:44,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 483 transitions, 22038 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:44,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:44,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:44,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:45,185 INFO L129 PetriNetUnfolder]: 56/2302 cut-off events. [2021-04-29 04:11:45,185 INFO L130 PetriNetUnfolder]: For 113653/116955 co-relation queries the response was YES. [2021-04-29 04:11:45,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20860 conditions, 2302 events. 56/2302 cut-off events. For 113653/116955 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 33267 event pairs, 56 based on Foata normal form. 33/2248 useless extension candidates. Maximal degree in co-relation 20734. Up to 428 conditions per place. [2021-04-29 04:11:45,205 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 304 selfloop transitions, 168 changer transitions 3/487 dead transitions. [2021-04-29 04:11:45,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 487 transitions, 23004 flow [2021-04-29 04:11:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:45,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:45,206 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:45,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:45,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:45,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:45,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:45,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:45,207 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:45,207 INFO L185 Difference]: Start difference. First operand has 481 places, 483 transitions, 22038 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:45,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 487 transitions, 23004 flow [2021-04-29 04:11:46,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 487 transitions, 22660 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:46,312 INFO L241 Difference]: Finished difference. Result has 484 places, 480 transitions, 21877 flow [2021-04-29 04:11:46,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21702, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21877, PETRI_PLACES=484, PETRI_TRANSITIONS=480} [2021-04-29 04:11:46,312 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 440 predicate places. [2021-04-29 04:11:46,313 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:46,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 484 places, 480 transitions, 21877 flow [2021-04-29 04:11:46,313 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 484 places, 480 transitions, 21877 flow [2021-04-29 04:11:46,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 483 places, 480 transitions, 21877 flow [2021-04-29 04:11:46,842 INFO L129 PetriNetUnfolder]: 0/2195 cut-off events. [2021-04-29 04:11:46,842 INFO L130 PetriNetUnfolder]: For 107620/107934 co-relation queries the response was YES. [2021-04-29 04:11:46,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19031 conditions, 2195 events. 0/2195 cut-off events. For 107620/107934 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 32538 event pairs, 0 based on Foata normal form. 3/2131 useless extension candidates. Maximal degree in co-relation 0. Up to 256 conditions per place. [2021-04-29 04:11:46,867 INFO L146 LiptonReduction]: Number of co-enabled transitions 2274 [2021-04-29 04:11:46,921 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:46,921 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:46,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 608 [2021-04-29 04:11:46,922 INFO L480 AbstractCegarLoop]: Abstraction has has 483 places, 480 transitions, 21877 flow [2021-04-29 04:11:46,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:46,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:46,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:46,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-04-29 04:11:46,922 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:46,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:46,922 INFO L82 PathProgramCache]: Analyzing trace with hash 855595272, now seen corresponding path program 111 times [2021-04-29 04:11:46,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:46,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503634792] [2021-04-29 04:11:46,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:46,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:46,945 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:46,965 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:46,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:46,985 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:47,012 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:47,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:47,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503634792] [2021-04-29 04:11:47,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:47,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:47,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919267706] [2021-04-29 04:11:47,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:47,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:47,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:47,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:47,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:47,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 480 transitions, 21877 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:47,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:47,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:47,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:48,216 INFO L129 PetriNetUnfolder]: 56/2289 cut-off events. [2021-04-29 04:11:48,216 INFO L130 PetriNetUnfolder]: For 112880/116190 co-relation queries the response was YES. [2021-04-29 04:11:48,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20719 conditions, 2289 events. 56/2289 cut-off events. For 112880/116190 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 33047 event pairs, 56 based on Foata normal form. 35/2237 useless extension candidates. Maximal degree in co-relation 20593. Up to 441 conditions per place. [2021-04-29 04:11:48,235 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 192 changer transitions 2/484 dead transitions. [2021-04-29 04:11:48,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 484 transitions, 22837 flow [2021-04-29 04:11:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:48,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:48,237 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:48,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:48,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:48,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:48,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:48,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:48,238 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:48,238 INFO L185 Difference]: Start difference. First operand has 483 places, 480 transitions, 21877 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:48,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 484 transitions, 22837 flow [2021-04-29 04:11:49,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 484 transitions, 22501 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:11:49,314 INFO L241 Difference]: Finished difference. Result has 486 places, 478 transitions, 21801 flow [2021-04-29 04:11:49,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21549, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21801, PETRI_PLACES=486, PETRI_TRANSITIONS=478} [2021-04-29 04:11:49,315 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 442 predicate places. [2021-04-29 04:11:49,315 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:49,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 486 places, 478 transitions, 21801 flow [2021-04-29 04:11:49,315 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 486 places, 478 transitions, 21801 flow [2021-04-29 04:11:49,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 478 transitions, 21801 flow [2021-04-29 04:11:49,838 INFO L129 PetriNetUnfolder]: 0/2189 cut-off events. [2021-04-29 04:11:49,838 INFO L130 PetriNetUnfolder]: For 107016/107290 co-relation queries the response was YES. [2021-04-29 04:11:49,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18958 conditions, 2189 events. 0/2189 cut-off events. For 107016/107290 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 32417 event pairs, 0 based on Foata normal form. 3/2127 useless extension candidates. Maximal degree in co-relation 0. Up to 255 conditions per place. [2021-04-29 04:11:49,863 INFO L146 LiptonReduction]: Number of co-enabled transitions 2262 [2021-04-29 04:11:49,917 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:49,917 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:49,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-04-29 04:11:49,917 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 478 transitions, 21801 flow [2021-04-29 04:11:49,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:49,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:49,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:49,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-04-29 04:11:49,918 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:49,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:49,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1770710432, now seen corresponding path program 112 times [2021-04-29 04:11:49,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:49,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666145514] [2021-04-29 04:11:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:49,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:49,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:49,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:49,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:49,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:49,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:49,940 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:49,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:49,953 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:49,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:49,972 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:49,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:49,999 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:50,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:50,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666145514] [2021-04-29 04:11:50,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:50,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:50,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139215668] [2021-04-29 04:11:50,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:50,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:50,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:50,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:50,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:50,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 478 transitions, 21801 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:50,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:50,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:50,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:51,169 INFO L129 PetriNetUnfolder]: 56/2283 cut-off events. [2021-04-29 04:11:51,169 INFO L130 PetriNetUnfolder]: For 112588/115977 co-relation queries the response was YES. [2021-04-29 04:11:51,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20643 conditions, 2283 events. 56/2283 cut-off events. For 112588/115977 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 32915 event pairs, 56 based on Foata normal form. 35/2236 useless extension candidates. Maximal degree in co-relation 20517. Up to 441 conditions per place. [2021-04-29 04:11:51,188 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 190 changer transitions 3/482 dead transitions. [2021-04-29 04:11:51,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 482 transitions, 22757 flow [2021-04-29 04:11:51,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:51,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:51,190 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:51,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:51,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:51,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:51,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:51,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:51,191 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:51,191 INFO L185 Difference]: Start difference. First operand has 485 places, 478 transitions, 21801 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:51,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 482 transitions, 22757 flow [2021-04-29 04:11:52,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 482 transitions, 22666 flow, removed 19 selfloop flow, removed 2 redundant places. [2021-04-29 04:11:52,282 INFO L241 Difference]: Finished difference. Result has 491 places, 475 transitions, 21916 flow [2021-04-29 04:11:52,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21718, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21916, PETRI_PLACES=491, PETRI_TRANSITIONS=475} [2021-04-29 04:11:52,283 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 447 predicate places. [2021-04-29 04:11:52,283 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:52,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 475 transitions, 21916 flow [2021-04-29 04:11:52,283 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 475 transitions, 21916 flow [2021-04-29 04:11:52,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 475 transitions, 21916 flow [2021-04-29 04:11:52,807 INFO L129 PetriNetUnfolder]: 0/2181 cut-off events. [2021-04-29 04:11:52,807 INFO L130 PetriNetUnfolder]: For 108882/109159 co-relation queries the response was YES. [2021-04-29 04:11:52,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19096 conditions, 2181 events. 0/2181 cut-off events. For 108882/109159 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 32294 event pairs, 0 based on Foata normal form. 3/2121 useless extension candidates. Maximal degree in co-relation 0. Up to 254 conditions per place. [2021-04-29 04:11:52,832 INFO L146 LiptonReduction]: Number of co-enabled transitions 2244 [2021-04-29 04:11:52,885 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:52,885 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:52,885 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-04-29 04:11:52,885 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 475 transitions, 21916 flow [2021-04-29 04:11:52,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:52,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:52,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:52,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-04-29 04:11:52,886 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:52,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:52,886 INFO L82 PathProgramCache]: Analyzing trace with hash 27449070, now seen corresponding path program 113 times [2021-04-29 04:11:52,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:52,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521571292] [2021-04-29 04:11:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:52,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:52,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:52,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:52,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:52,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:52,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:52,912 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:52,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:52,925 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:52,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:52,944 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:52,971 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:52,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:52,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521571292] [2021-04-29 04:11:52,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:52,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:52,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191947454] [2021-04-29 04:11:52,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:52,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:52,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:52,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:52,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:52,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 475 transitions, 21916 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:52,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:52,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:52,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:54,138 INFO L129 PetriNetUnfolder]: 56/2275 cut-off events. [2021-04-29 04:11:54,138 INFO L130 PetriNetUnfolder]: For 114592/117938 co-relation queries the response was YES. [2021-04-29 04:11:54,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20777 conditions, 2275 events. 56/2275 cut-off events. For 114592/117938 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 32798 event pairs, 56 based on Foata normal form. 33/2228 useless extension candidates. Maximal degree in co-relation 20651. Up to 441 conditions per place. [2021-04-29 04:11:54,158 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 294 selfloop transitions, 171 changer transitions 2/479 dead transitions. [2021-04-29 04:11:54,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 479 transitions, 22866 flow [2021-04-29 04:11:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:54,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:54,159 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:54,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:54,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:54,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:54,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:54,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:54,160 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:54,160 INFO L185 Difference]: Start difference. First operand has 490 places, 475 transitions, 21916 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:54,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 479 transitions, 22866 flow [2021-04-29 04:11:55,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 479 transitions, 22378 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:11:55,293 INFO L241 Difference]: Finished difference. Result has 492 places, 473 transitions, 21662 flow [2021-04-29 04:11:55,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21436, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21662, PETRI_PLACES=492, PETRI_TRANSITIONS=473} [2021-04-29 04:11:55,293 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 448 predicate places. [2021-04-29 04:11:55,293 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:55,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 473 transitions, 21662 flow [2021-04-29 04:11:55,294 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 473 transitions, 21662 flow [2021-04-29 04:11:55,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 473 transitions, 21662 flow [2021-04-29 04:11:55,796 INFO L129 PetriNetUnfolder]: 0/2174 cut-off events. [2021-04-29 04:11:55,796 INFO L130 PetriNetUnfolder]: For 108060/108388 co-relation queries the response was YES. [2021-04-29 04:11:55,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18926 conditions, 2174 events. 0/2174 cut-off events. For 108060/108388 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 32158 event pairs, 0 based on Foata normal form. 2/2111 useless extension candidates. Maximal degree in co-relation 0. Up to 253 conditions per place. [2021-04-29 04:11:55,821 INFO L146 LiptonReduction]: Number of co-enabled transitions 2236 [2021-04-29 04:11:55,873 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:55,873 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:55,873 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 580 [2021-04-29 04:11:55,873 INFO L480 AbstractCegarLoop]: Abstraction has has 491 places, 473 transitions, 21662 flow [2021-04-29 04:11:55,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:55,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:55,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:55,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-04-29 04:11:55,874 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:55,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:55,874 INFO L82 PathProgramCache]: Analyzing trace with hash -903442090, now seen corresponding path program 114 times [2021-04-29 04:11:55,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:55,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219946127] [2021-04-29 04:11:55,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:55,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:55,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:55,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:55,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:55,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:55,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:55,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:55,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:55,913 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:55,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:55,937 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:55,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:55,969 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:55,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:55,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219946127] [2021-04-29 04:11:55,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:55,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:55,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237335919] [2021-04-29 04:11:56,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:56,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:56,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:56,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:56,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:56,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 473 transitions, 21662 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:56,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:56,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:56,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:57,120 INFO L129 PetriNetUnfolder]: 56/2268 cut-off events. [2021-04-29 04:11:57,120 INFO L130 PetriNetUnfolder]: For 113525/116827 co-relation queries the response was YES. [2021-04-29 04:11:57,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20604 conditions, 2268 events. 56/2268 cut-off events. For 113525/116827 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 32666 event pairs, 56 based on Foata normal form. 33/2220 useless extension candidates. Maximal degree in co-relation 20478. Up to 441 conditions per place. [2021-04-29 04:11:57,140 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 276 selfloop transitions, 187 changer transitions 2/477 dead transitions. [2021-04-29 04:11:57,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 477 transitions, 22608 flow [2021-04-29 04:11:57,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:11:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:11:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:11:57,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:11:57,141 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:11:57,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:11:57,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:57,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:11:57,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:57,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:57,142 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:57,142 INFO L185 Difference]: Start difference. First operand has 491 places, 473 transitions, 21662 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:11:57,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 477 transitions, 22608 flow [2021-04-29 04:11:58,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 477 transitions, 22252 flow, removed 15 selfloop flow, removed 6 redundant places. [2021-04-29 04:11:58,241 INFO L241 Difference]: Finished difference. Result has 493 places, 471 transitions, 21557 flow [2021-04-29 04:11:58,241 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21314, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21557, PETRI_PLACES=493, PETRI_TRANSITIONS=471} [2021-04-29 04:11:58,241 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 449 predicate places. [2021-04-29 04:11:58,241 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:58,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 493 places, 471 transitions, 21557 flow [2021-04-29 04:11:58,241 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 493 places, 471 transitions, 21557 flow [2021-04-29 04:11:58,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 471 transitions, 21557 flow [2021-04-29 04:11:58,737 INFO L129 PetriNetUnfolder]: 0/2167 cut-off events. [2021-04-29 04:11:58,737 INFO L130 PetriNetUnfolder]: For 106047/106326 co-relation queries the response was YES. [2021-04-29 04:11:58,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18898 conditions, 2167 events. 0/2167 cut-off events. For 106047/106326 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 32033 event pairs, 0 based on Foata normal form. 3/2106 useless extension candidates. Maximal degree in co-relation 0. Up to 252 conditions per place. [2021-04-29 04:11:58,762 INFO L146 LiptonReduction]: Number of co-enabled transitions 2226 [2021-04-29 04:11:58,813 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:58,813 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:58,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 572 [2021-04-29 04:11:58,814 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 471 transitions, 21557 flow [2021-04-29 04:11:58,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:58,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:58,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:11:58,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-04-29 04:11:58,814 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:58,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:58,814 INFO L82 PathProgramCache]: Analyzing trace with hash 648748352, now seen corresponding path program 115 times [2021-04-29 04:11:58,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:58,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199487542] [2021-04-29 04:11:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:58,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:58,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:58,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:58,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:58,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:58,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:58,857 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:11:58,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:11:58,877 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:58,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:58,910 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:11:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:11:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:58,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199487542] [2021-04-29 04:11:58,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:58,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:11:58,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696750361] [2021-04-29 04:11:58,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:11:58,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:58,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:11:58,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:11:58,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:11:58,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 471 transitions, 21557 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:11:58,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:58,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:11:58,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:00,042 INFO L129 PetriNetUnfolder]: 56/2261 cut-off events. [2021-04-29 04:12:00,043 INFO L130 PetriNetUnfolder]: For 111864/115234 co-relation queries the response was YES. [2021-04-29 04:12:00,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20573 conditions, 2261 events. 56/2261 cut-off events. For 111864/115234 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 32532 event pairs, 56 based on Foata normal form. 35/2216 useless extension candidates. Maximal degree in co-relation 20449. Up to 441 conditions per place. [2021-04-29 04:12:00,062 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 276 selfloop transitions, 185 changer transitions 2/475 dead transitions. [2021-04-29 04:12:00,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 475 transitions, 22499 flow [2021-04-29 04:12:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:00,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:00,063 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:00,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:00,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:00,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:00,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:00,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:00,064 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:00,064 INFO L185 Difference]: Start difference. First operand has 492 places, 471 transitions, 21557 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:00,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 475 transitions, 22499 flow [2021-04-29 04:12:01,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 475 transitions, 22131 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:01,084 INFO L241 Difference]: Finished difference. Result has 495 places, 469 transitions, 21441 flow [2021-04-29 04:12:01,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21197, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21441, PETRI_PLACES=495, PETRI_TRANSITIONS=469} [2021-04-29 04:12:01,084 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 451 predicate places. [2021-04-29 04:12:01,085 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:01,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 469 transitions, 21441 flow [2021-04-29 04:12:01,085 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 469 transitions, 21441 flow [2021-04-29 04:12:01,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 469 transitions, 21441 flow [2021-04-29 04:12:01,581 INFO L129 PetriNetUnfolder]: 0/2160 cut-off events. [2021-04-29 04:12:01,582 INFO L130 PetriNetUnfolder]: For 105698/106066 co-relation queries the response was YES. [2021-04-29 04:12:01,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18837 conditions, 2160 events. 0/2160 cut-off events. For 105698/106066 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 31892 event pairs, 0 based on Foata normal form. 3/2093 useless extension candidates. Maximal degree in co-relation 0. Up to 251 conditions per place. [2021-04-29 04:12:01,606 INFO L146 LiptonReduction]: Number of co-enabled transitions 2214 [2021-04-29 04:12:01,657 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:01,657 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:01,657 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 572 [2021-04-29 04:12:01,658 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 469 transitions, 21441 flow [2021-04-29 04:12:01,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:01,658 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:01,658 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:01,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-04-29 04:12:01,658 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:01,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:01,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1789426138, now seen corresponding path program 116 times [2021-04-29 04:12:01,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:01,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144979561] [2021-04-29 04:12:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:01,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:01,683 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:01,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:01,695 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:01,716 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:01,747 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:01,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:01,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144979561] [2021-04-29 04:12:01,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:01,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:01,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656601520] [2021-04-29 04:12:01,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:01,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:01,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:01,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:01,787 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:01,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 469 transitions, 21441 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:01,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:01,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:01,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:03,113 INFO L129 PetriNetUnfolder]: 56/2254 cut-off events. [2021-04-29 04:12:03,113 INFO L130 PetriNetUnfolder]: For 111438/115070 co-relation queries the response was YES. [2021-04-29 04:12:03,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20509 conditions, 2254 events. 56/2254 cut-off events. For 111438/115070 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 32415 event pairs, 56 based on Foata normal form. 35/2209 useless extension candidates. Maximal degree in co-relation 20385. Up to 441 conditions per place. [2021-04-29 04:12:03,129 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 291 selfloop transitions, 168 changer transitions 2/473 dead transitions. [2021-04-29 04:12:03,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 473 transitions, 22379 flow [2021-04-29 04:12:03,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:03,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:03,130 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:03,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:03,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:03,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:03,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:03,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:03,131 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:03,131 INFO L185 Difference]: Start difference. First operand has 494 places, 469 transitions, 21441 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:03,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 473 transitions, 22379 flow [2021-04-29 04:12:04,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 473 transitions, 22132 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:04,077 INFO L241 Difference]: Finished difference. Result has 498 places, 467 transitions, 21405 flow [2021-04-29 04:12:04,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21202, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21405, PETRI_PLACES=498, PETRI_TRANSITIONS=467} [2021-04-29 04:12:04,077 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 454 predicate places. [2021-04-29 04:12:04,077 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:04,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 467 transitions, 21405 flow [2021-04-29 04:12:04,078 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 467 transitions, 21405 flow [2021-04-29 04:12:04,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 467 transitions, 21405 flow [2021-04-29 04:12:04,587 INFO L129 PetriNetUnfolder]: 0/2153 cut-off events. [2021-04-29 04:12:04,587 INFO L130 PetriNetUnfolder]: For 105752/106090 co-relation queries the response was YES. [2021-04-29 04:12:04,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18905 conditions, 2153 events. 0/2153 cut-off events. For 105752/106090 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 31824 event pairs, 0 based on Foata normal form. 2/2091 useless extension candidates. Maximal degree in co-relation 0. Up to 250 conditions per place. [2021-04-29 04:12:04,612 INFO L146 LiptonReduction]: Number of co-enabled transitions 2204 [2021-04-29 04:12:04,663 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:04,663 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:04,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 586 [2021-04-29 04:12:04,664 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 467 transitions, 21405 flow [2021-04-29 04:12:04,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:04,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:04,664 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:04,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-04-29 04:12:04,664 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:04,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:04,664 INFO L82 PathProgramCache]: Analyzing trace with hash -646402744, now seen corresponding path program 117 times [2021-04-29 04:12:04,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:04,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207607997] [2021-04-29 04:12:04,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:04,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:04,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:04,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:04,689 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:04,702 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:04,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:04,724 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:04,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:04,755 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:04,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:04,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:04,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207607997] [2021-04-29 04:12:04,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:04,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:04,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339198907] [2021-04-29 04:12:04,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:04,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:04,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:04,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:04,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:04,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 467 transitions, 21405 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:04,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:04,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:04,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:05,872 INFO L129 PetriNetUnfolder]: 56/2247 cut-off events. [2021-04-29 04:12:05,872 INFO L130 PetriNetUnfolder]: For 111246/114734 co-relation queries the response was YES. [2021-04-29 04:12:05,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20574 conditions, 2247 events. 56/2247 cut-off events. For 111246/114734 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 32290 event pairs, 56 based on Foata normal form. 33/2200 useless extension candidates. Maximal degree in co-relation 20450. Up to 441 conditions per place. [2021-04-29 04:12:05,891 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 291 selfloop transitions, 166 changer transitions 2/471 dead transitions. [2021-04-29 04:12:05,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 471 transitions, 22339 flow [2021-04-29 04:12:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:05,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:05,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:05,893 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:05,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:05,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:05,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:05,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:05,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:05,894 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:05,894 INFO L185 Difference]: Start difference. First operand has 497 places, 467 transitions, 21405 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:05,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 471 transitions, 22339 flow [2021-04-29 04:12:07,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 471 transitions, 22108 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:07,069 INFO L241 Difference]: Finished difference. Result has 501 places, 465 transitions, 21391 flow [2021-04-29 04:12:07,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21182, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21391, PETRI_PLACES=501, PETRI_TRANSITIONS=465} [2021-04-29 04:12:07,070 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 457 predicate places. [2021-04-29 04:12:07,070 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:07,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 465 transitions, 21391 flow [2021-04-29 04:12:07,070 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 465 transitions, 21391 flow [2021-04-29 04:12:07,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 500 places, 465 transitions, 21391 flow [2021-04-29 04:12:07,569 INFO L129 PetriNetUnfolder]: 0/2145 cut-off events. [2021-04-29 04:12:07,569 INFO L130 PetriNetUnfolder]: For 106584/107082 co-relation queries the response was YES. [2021-04-29 04:12:07,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18970 conditions, 2145 events. 0/2145 cut-off events. For 106584/107082 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 31628 event pairs, 0 based on Foata normal form. 4/2080 useless extension candidates. Maximal degree in co-relation 0. Up to 249 conditions per place. [2021-04-29 04:12:07,594 INFO L146 LiptonReduction]: Number of co-enabled transitions 2198 [2021-04-29 04:12:07,645 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:07,645 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:07,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 575 [2021-04-29 04:12:07,646 INFO L480 AbstractCegarLoop]: Abstraction has has 500 places, 465 transitions, 21391 flow [2021-04-29 04:12:07,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:07,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:07,646 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:07,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-04-29 04:12:07,646 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:07,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:07,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1621303978, now seen corresponding path program 118 times [2021-04-29 04:12:07,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:07,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650998904] [2021-04-29 04:12:07,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:07,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:07,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:07,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:07,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:07,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:07,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:07,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:07,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:07,686 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:07,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:07,708 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:07,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:07,740 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:07,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:07,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650998904] [2021-04-29 04:12:07,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:07,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:07,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384331384] [2021-04-29 04:12:07,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:07,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:07,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:07,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:07,772 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:07,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 465 transitions, 21391 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:07,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:07,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:07,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:08,886 INFO L129 PetriNetUnfolder]: 56/2239 cut-off events. [2021-04-29 04:12:08,886 INFO L130 PetriNetUnfolder]: For 111504/115024 co-relation queries the response was YES. [2021-04-29 04:12:08,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20636 conditions, 2239 events. 56/2239 cut-off events. For 111504/115024 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 32179 event pairs, 56 based on Foata normal form. 33/2190 useless extension candidates. Maximal degree in co-relation 20512. Up to 441 conditions per place. [2021-04-29 04:12:08,905 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 292 selfloop transitions, 163 changer transitions 2/469 dead transitions. [2021-04-29 04:12:08,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 469 transitions, 22321 flow [2021-04-29 04:12:08,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:08,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:08,907 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:08,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:08,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:08,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:08,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:08,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:08,908 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:08,908 INFO L185 Difference]: Start difference. First operand has 500 places, 465 transitions, 21391 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:08,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 469 transitions, 22321 flow [2021-04-29 04:12:09,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 469 transitions, 22035 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:09,987 INFO L241 Difference]: Finished difference. Result has 504 places, 463 transitions, 21309 flow [2021-04-29 04:12:09,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21113, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21309, PETRI_PLACES=504, PETRI_TRANSITIONS=463} [2021-04-29 04:12:09,988 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 460 predicate places. [2021-04-29 04:12:09,988 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:09,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 463 transitions, 21309 flow [2021-04-29 04:12:09,988 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 463 transitions, 21309 flow [2021-04-29 04:12:09,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 463 transitions, 21309 flow [2021-04-29 04:12:10,484 INFO L129 PetriNetUnfolder]: 0/2137 cut-off events. [2021-04-29 04:12:10,484 INFO L130 PetriNetUnfolder]: For 105472/105781 co-relation queries the response was YES. [2021-04-29 04:12:10,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18964 conditions, 2137 events. 0/2137 cut-off events. For 105472/105781 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 31503 event pairs, 0 based on Foata normal form. 3/2078 useless extension candidates. Maximal degree in co-relation 0. Up to 248 conditions per place. [2021-04-29 04:12:10,509 INFO L146 LiptonReduction]: Number of co-enabled transitions 2194 [2021-04-29 04:12:10,560 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:10,560 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:10,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 572 [2021-04-29 04:12:10,561 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 463 transitions, 21309 flow [2021-04-29 04:12:10,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:10,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:10,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:10,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-04-29 04:12:10,561 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash 876601480, now seen corresponding path program 119 times [2021-04-29 04:12:10,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:10,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988349182] [2021-04-29 04:12:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:10,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:10,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:10,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:10,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:10,589 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:10,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:10,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:10,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:10,627 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:10,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:10,660 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:10,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:10,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988349182] [2021-04-29 04:12:10,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:10,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:10,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752483986] [2021-04-29 04:12:10,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:10,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:10,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:10,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:10,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:10,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 463 transitions, 21309 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:10,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:10,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:10,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:11,794 INFO L129 PetriNetUnfolder]: 56/2231 cut-off events. [2021-04-29 04:12:11,794 INFO L130 PetriNetUnfolder]: For 111011/114666 co-relation queries the response was YES. [2021-04-29 04:12:11,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20627 conditions, 2231 events. 56/2231 cut-off events. For 111011/114666 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 32025 event pairs, 56 based on Foata normal form. 35/2184 useless extension candidates. Maximal degree in co-relation 20503. Up to 441 conditions per place. [2021-04-29 04:12:11,812 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 290 selfloop transitions, 162 changer transitions 3/467 dead transitions. [2021-04-29 04:12:11,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 467 transitions, 22235 flow [2021-04-29 04:12:11,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:11,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:11,814 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:11,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:11,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:11,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:11,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:11,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:11,815 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:11,815 INFO L185 Difference]: Start difference. First operand has 503 places, 463 transitions, 21309 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:11,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 467 transitions, 22235 flow [2021-04-29 04:12:12,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 467 transitions, 21780 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:12,873 INFO L241 Difference]: Finished difference. Result has 505 places, 460 transitions, 21013 flow [2021-04-29 04:12:12,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20862, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21013, PETRI_PLACES=505, PETRI_TRANSITIONS=460} [2021-04-29 04:12:12,874 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 461 predicate places. [2021-04-29 04:12:12,874 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:12,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 460 transitions, 21013 flow [2021-04-29 04:12:12,874 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 460 transitions, 21013 flow [2021-04-29 04:12:12,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 460 transitions, 21013 flow [2021-04-29 04:12:13,365 INFO L129 PetriNetUnfolder]: 0/2128 cut-off events. [2021-04-29 04:12:13,365 INFO L130 PetriNetUnfolder]: For 101552/101834 co-relation queries the response was YES. [2021-04-29 04:12:13,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18870 conditions, 2128 events. 0/2128 cut-off events. For 101552/101834 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 31352 event pairs, 0 based on Foata normal form. 3/2066 useless extension candidates. Maximal degree in co-relation 0. Up to 247 conditions per place. [2021-04-29 04:12:13,390 INFO L146 LiptonReduction]: Number of co-enabled transitions 2184 [2021-04-29 04:12:13,441 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:13,441 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:13,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 567 [2021-04-29 04:12:13,442 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 460 transitions, 21013 flow [2021-04-29 04:12:13,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:13,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:13,442 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:13,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-04-29 04:12:13,442 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:13,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:13,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1311581696, now seen corresponding path program 120 times [2021-04-29 04:12:13,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:13,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157487621] [2021-04-29 04:12:13,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:13,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:13,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:13,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:13,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:13,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:13,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:13,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:13,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:13,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:13,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:13,505 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:13,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:13,537 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:13,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:13,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157487621] [2021-04-29 04:12:13,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:13,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:13,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949584145] [2021-04-29 04:12:13,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:13,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:13,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:13,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:13,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:13,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 460 transitions, 21013 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:13,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:13,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:13,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:14,661 INFO L129 PetriNetUnfolder]: 56/2222 cut-off events. [2021-04-29 04:12:14,661 INFO L130 PetriNetUnfolder]: For 106473/109740 co-relation queries the response was YES. [2021-04-29 04:12:14,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20529 conditions, 2222 events. 56/2222 cut-off events. For 106473/109740 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 31872 event pairs, 56 based on Foata normal form. 35/2177 useless extension candidates. Maximal degree in co-relation 20406. Up to 441 conditions per place. [2021-04-29 04:12:14,686 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 275 selfloop transitions, 175 changer transitions 2/464 dead transitions. [2021-04-29 04:12:14,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 464 transitions, 21933 flow [2021-04-29 04:12:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:14,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:14,687 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:14,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:14,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:14,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:14,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:14,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:14,689 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:14,689 INFO L185 Difference]: Start difference. First operand has 504 places, 460 transitions, 21013 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:14,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 464 transitions, 21933 flow [2021-04-29 04:12:15,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 464 transitions, 21609 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:15,802 INFO L241 Difference]: Finished difference. Result has 507 places, 458 transitions, 20920 flow [2021-04-29 04:12:15,802 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20697, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20920, PETRI_PLACES=507, PETRI_TRANSITIONS=458} [2021-04-29 04:12:15,802 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 463 predicate places. [2021-04-29 04:12:15,802 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:15,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 458 transitions, 20920 flow [2021-04-29 04:12:15,803 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 458 transitions, 20920 flow [2021-04-29 04:12:15,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 506 places, 458 transitions, 20920 flow [2021-04-29 04:12:16,285 INFO L129 PetriNetUnfolder]: 0/2120 cut-off events. [2021-04-29 04:12:16,286 INFO L130 PetriNetUnfolder]: For 101080/101408 co-relation queries the response was YES. [2021-04-29 04:12:16,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18792 conditions, 2120 events. 0/2120 cut-off events. For 101080/101408 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 31167 event pairs, 0 based on Foata normal form. 3/2053 useless extension candidates. Maximal degree in co-relation 0. Up to 246 conditions per place. [2021-04-29 04:12:16,310 INFO L146 LiptonReduction]: Number of co-enabled transitions 2176 [2021-04-29 04:12:16,360 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:16,360 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:16,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 558 [2021-04-29 04:12:16,361 INFO L480 AbstractCegarLoop]: Abstraction has has 506 places, 458 transitions, 20920 flow [2021-04-29 04:12:16,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:16,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:16,361 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:16,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-04-29 04:12:16,361 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:16,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:16,362 INFO L82 PathProgramCache]: Analyzing trace with hash -566879198, now seen corresponding path program 121 times [2021-04-29 04:12:16,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:16,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551071314] [2021-04-29 04:12:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:16,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:16,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:16,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:16,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:16,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:16,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:16,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:16,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:16,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:16,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:16,428 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:16,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:16,460 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:16,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:16,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551071314] [2021-04-29 04:12:16,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:16,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:16,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121096065] [2021-04-29 04:12:16,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:16,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:16,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:16,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:16,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:16,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 458 transitions, 20920 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:16,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:16,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:16,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:17,592 INFO L129 PetriNetUnfolder]: 56/2214 cut-off events. [2021-04-29 04:12:17,592 INFO L130 PetriNetUnfolder]: For 106010/109353 co-relation queries the response was YES. [2021-04-29 04:12:17,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20448 conditions, 2214 events. 56/2214 cut-off events. For 106010/109353 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 31735 event pairs, 56 based on Foata normal form. 33/2168 useless extension candidates. Maximal degree in co-relation 20325. Up to 441 conditions per place. [2021-04-29 04:12:17,611 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 274 selfloop transitions, 174 changer transitions 2/462 dead transitions. [2021-04-29 04:12:17,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 462 transitions, 21836 flow [2021-04-29 04:12:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:17,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:17,612 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:17,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:17,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:17,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:17,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:17,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:17,613 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:17,613 INFO L185 Difference]: Start difference. First operand has 506 places, 458 transitions, 20920 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:17,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 462 transitions, 21836 flow [2021-04-29 04:12:18,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 462 transitions, 21602 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:18,631 INFO L241 Difference]: Finished difference. Result has 510 places, 456 transitions, 20909 flow [2021-04-29 04:12:18,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20694, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20909, PETRI_PLACES=510, PETRI_TRANSITIONS=456} [2021-04-29 04:12:18,632 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 466 predicate places. [2021-04-29 04:12:18,632 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:18,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 510 places, 456 transitions, 20909 flow [2021-04-29 04:12:18,632 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 510 places, 456 transitions, 20909 flow [2021-04-29 04:12:18,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 456 transitions, 20909 flow [2021-04-29 04:12:19,135 INFO L129 PetriNetUnfolder]: 0/2112 cut-off events. [2021-04-29 04:12:19,135 INFO L130 PetriNetUnfolder]: For 99726/100011 co-relation queries the response was YES. [2021-04-29 04:12:19,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18874 conditions, 2112 events. 0/2112 cut-off events. For 99726/100011 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 31061 event pairs, 0 based on Foata normal form. 3/2047 useless extension candidates. Maximal degree in co-relation 0. Up to 245 conditions per place. [2021-04-29 04:12:19,159 INFO L146 LiptonReduction]: Number of co-enabled transitions 2172 [2021-04-29 04:12:19,210 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:19,210 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:19,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 578 [2021-04-29 04:12:19,210 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 456 transitions, 20909 flow [2021-04-29 04:12:19,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:19,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:19,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:19,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-04-29 04:12:19,211 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:19,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:19,211 INFO L82 PathProgramCache]: Analyzing trace with hash -238496316, now seen corresponding path program 122 times [2021-04-29 04:12:19,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:19,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140020396] [2021-04-29 04:12:19,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:19,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:19,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:19,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:19,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:19,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:19,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:19,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:19,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:19,251 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:19,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:19,274 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:19,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:19,306 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:19,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:19,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140020396] [2021-04-29 04:12:19,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:19,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:19,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420088738] [2021-04-29 04:12:19,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:19,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:19,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:19,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:19,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:19,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 456 transitions, 20909 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:19,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:19,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:19,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:20,395 INFO L129 PetriNetUnfolder]: 56/2206 cut-off events. [2021-04-29 04:12:20,396 INFO L130 PetriNetUnfolder]: For 104572/107795 co-relation queries the response was YES. [2021-04-29 04:12:20,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20527 conditions, 2206 events. 56/2206 cut-off events. For 104572/107795 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 31611 event pairs, 56 based on Foata normal form. 33/2157 useless extension candidates. Maximal degree in co-relation 20405. Up to 441 conditions per place. [2021-04-29 04:12:20,414 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 268 selfloop transitions, 178 changer transitions 2/460 dead transitions. [2021-04-29 04:12:20,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 460 transitions, 21821 flow [2021-04-29 04:12:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:20,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:20,415 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:20,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:20,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:20,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:20,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,416 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,416 INFO L185 Difference]: Start difference. First operand has 509 places, 456 transitions, 20909 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:20,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 460 transitions, 21821 flow [2021-04-29 04:12:21,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 460 transitions, 21531 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:21,421 INFO L241 Difference]: Finished difference. Result has 513 places, 454 transitions, 20841 flow [2021-04-29 04:12:21,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20627, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20841, PETRI_PLACES=513, PETRI_TRANSITIONS=454} [2021-04-29 04:12:21,421 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 469 predicate places. [2021-04-29 04:12:21,421 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:21,421 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 454 transitions, 20841 flow [2021-04-29 04:12:21,422 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 454 transitions, 20841 flow [2021-04-29 04:12:21,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 512 places, 454 transitions, 20841 flow [2021-04-29 04:12:21,898 INFO L129 PetriNetUnfolder]: 0/2106 cut-off events. [2021-04-29 04:12:21,899 INFO L130 PetriNetUnfolder]: For 99336/99615 co-relation queries the response was YES. [2021-04-29 04:12:21,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18854 conditions, 2106 events. 0/2106 cut-off events. For 99336/99615 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 30970 event pairs, 0 based on Foata normal form. 3/2042 useless extension candidates. Maximal degree in co-relation 0. Up to 244 conditions per place. [2021-04-29 04:12:21,925 INFO L146 LiptonReduction]: Number of co-enabled transitions 2160 [2021-04-29 04:12:21,972 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:21,972 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:21,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 551 [2021-04-29 04:12:21,972 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 454 transitions, 20841 flow [2021-04-29 04:12:21,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:21,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:21,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:21,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-04-29 04:12:21,973 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:21,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:21,973 INFO L82 PathProgramCache]: Analyzing trace with hash -983198814, now seen corresponding path program 123 times [2021-04-29 04:12:21,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:21,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052652638] [2021-04-29 04:12:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:21,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:21,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:21,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:21,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:21,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:21,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:22,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:22,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:22,013 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:22,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:22,034 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:22,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:22,067 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:22,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:22,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052652638] [2021-04-29 04:12:22,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:22,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:22,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853333366] [2021-04-29 04:12:22,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:22,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:22,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:22,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:22,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:22,100 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 454 transitions, 20841 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:22,100 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:22,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:22,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:23,144 INFO L129 PetriNetUnfolder]: 56/2200 cut-off events. [2021-04-29 04:12:23,144 INFO L130 PetriNetUnfolder]: For 104373/107668 co-relation queries the response was YES. [2021-04-29 04:12:23,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20504 conditions, 2200 events. 56/2200 cut-off events. For 104373/107668 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 31482 event pairs, 56 based on Foata normal form. 35/2155 useless extension candidates. Maximal degree in co-relation 20382. Up to 441 conditions per place. [2021-04-29 04:12:23,163 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 174 changer transitions 2/458 dead transitions. [2021-04-29 04:12:23,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 458 transitions, 21749 flow [2021-04-29 04:12:23,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:23,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:23,165 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:23,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:23,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:23,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:23,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:23,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:23,167 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:23,167 INFO L185 Difference]: Start difference. First operand has 512 places, 454 transitions, 20841 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:23,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 458 transitions, 21749 flow [2021-04-29 04:12:24,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 458 transitions, 21387 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-04-29 04:12:24,164 INFO L241 Difference]: Finished difference. Result has 513 places, 452 transitions, 20716 flow [2021-04-29 04:12:24,164 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20487, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20716, PETRI_PLACES=513, PETRI_TRANSITIONS=452} [2021-04-29 04:12:24,164 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 469 predicate places. [2021-04-29 04:12:24,164 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:24,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 452 transitions, 20716 flow [2021-04-29 04:12:24,165 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 452 transitions, 20716 flow [2021-04-29 04:12:24,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 512 places, 452 transitions, 20716 flow [2021-04-29 04:12:24,634 INFO L129 PetriNetUnfolder]: 0/2097 cut-off events. [2021-04-29 04:12:24,635 INFO L130 PetriNetUnfolder]: For 97494/97856 co-relation queries the response was YES. [2021-04-29 04:12:24,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18785 conditions, 2097 events. 0/2097 cut-off events. For 97494/97856 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 30823 event pairs, 0 based on Foata normal form. 2/2037 useless extension candidates. Maximal degree in co-relation 0. Up to 243 conditions per place. [2021-04-29 04:12:24,658 INFO L146 LiptonReduction]: Number of co-enabled transitions 2150 [2021-04-29 04:12:24,706 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:24,706 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:24,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 542 [2021-04-29 04:12:24,706 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 452 transitions, 20716 flow [2021-04-29 04:12:24,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:24,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:24,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:24,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-04-29 04:12:24,707 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:24,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:24,707 INFO L82 PathProgramCache]: Analyzing trace with hash 627742144, now seen corresponding path program 124 times [2021-04-29 04:12:24,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:24,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907927478] [2021-04-29 04:12:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:24,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:24,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:24,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:24,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:24,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:24,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:24,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:24,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:24,748 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:12:24,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:12:24,781 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:24,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:24,808 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:24,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:24,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907927478] [2021-04-29 04:12:24,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:24,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:24,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779548087] [2021-04-29 04:12:24,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:24,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:24,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:24,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:24,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:24,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 452 transitions, 20716 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:24,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:24,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:24,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:25,824 INFO L129 PetriNetUnfolder]: 56/2191 cut-off events. [2021-04-29 04:12:25,825 INFO L130 PetriNetUnfolder]: For 102532/106075 co-relation queries the response was YES. [2021-04-29 04:12:25,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20431 conditions, 2191 events. 56/2191 cut-off events. For 102532/106075 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 31343 event pairs, 56 based on Foata normal form. 35/2145 useless extension candidates. Maximal degree in co-relation 20312. Up to 441 conditions per place. [2021-04-29 04:12:25,843 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 169 changer transitions 2/456 dead transitions. [2021-04-29 04:12:25,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 456 transitions, 21620 flow [2021-04-29 04:12:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:25,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:25,844 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:25,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:25,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:25,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:25,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:25,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:25,846 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:25,846 INFO L185 Difference]: Start difference. First operand has 512 places, 452 transitions, 20716 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:25,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 456 transitions, 21620 flow [2021-04-29 04:12:26,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 456 transitions, 21170 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:26,789 INFO L241 Difference]: Finished difference. Result has 514 places, 450 transitions, 20482 flow [2021-04-29 04:12:26,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20274, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20482, PETRI_PLACES=514, PETRI_TRANSITIONS=450} [2021-04-29 04:12:26,790 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 470 predicate places. [2021-04-29 04:12:26,790 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:26,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 514 places, 450 transitions, 20482 flow [2021-04-29 04:12:26,790 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 514 places, 450 transitions, 20482 flow [2021-04-29 04:12:26,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 450 transitions, 20482 flow [2021-04-29 04:12:27,275 INFO L129 PetriNetUnfolder]: 0/2089 cut-off events. [2021-04-29 04:12:27,275 INFO L130 PetriNetUnfolder]: For 96696/97153 co-relation queries the response was YES. [2021-04-29 04:12:27,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18589 conditions, 2089 events. 0/2089 cut-off events. For 96696/97153 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 30676 event pairs, 0 based on Foata normal form. 4/2024 useless extension candidates. Maximal degree in co-relation 0. Up to 242 conditions per place. [2021-04-29 04:12:27,300 INFO L146 LiptonReduction]: Number of co-enabled transitions 2140 [2021-04-29 04:12:27,349 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:27,349 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:27,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 559 [2021-04-29 04:12:27,349 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 450 transitions, 20482 flow [2021-04-29 04:12:27,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:27,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:27,350 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:27,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-04-29 04:12:27,350 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:27,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:27,350 INFO L82 PathProgramCache]: Analyzing trace with hash 461139268, now seen corresponding path program 125 times [2021-04-29 04:12:27,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:27,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132770314] [2021-04-29 04:12:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:27,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:27,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:27,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:27,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:27,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:27,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:27,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:27,387 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:12:27,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:12:27,421 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:27,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:27,449 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:27,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:27,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132770314] [2021-04-29 04:12:27,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:27,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:27,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168817740] [2021-04-29 04:12:27,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:27,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:27,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:27,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:27,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:27,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 450 transitions, 20482 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:27,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:27,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:27,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:28,533 INFO L129 PetriNetUnfolder]: 56/2183 cut-off events. [2021-04-29 04:12:28,533 INFO L130 PetriNetUnfolder]: For 100947/104206 co-relation queries the response was YES. [2021-04-29 04:12:28,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20232 conditions, 2183 events. 56/2183 cut-off events. For 100947/104206 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 31191 event pairs, 56 based on Foata normal form. 33/2135 useless extension candidates. Maximal degree in co-relation 20113. Up to 441 conditions per place. [2021-04-29 04:12:28,551 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 275 selfloop transitions, 166 changer transitions 1/454 dead transitions. [2021-04-29 04:12:28,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 454 transitions, 21382 flow [2021-04-29 04:12:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:28,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:28,552 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:28,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:28,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:28,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:28,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:28,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:28,554 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:28,554 INFO L185 Difference]: Start difference. First operand has 513 places, 450 transitions, 20482 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:28,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 454 transitions, 21382 flow [2021-04-29 04:12:29,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 454 transitions, 21044 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:29,540 INFO L241 Difference]: Finished difference. Result has 516 places, 449 transitions, 20418 flow [2021-04-29 04:12:29,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20152, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20418, PETRI_PLACES=516, PETRI_TRANSITIONS=449} [2021-04-29 04:12:29,540 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 472 predicate places. [2021-04-29 04:12:29,540 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:29,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 449 transitions, 20418 flow [2021-04-29 04:12:29,541 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 449 transitions, 20418 flow [2021-04-29 04:12:29,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 515 places, 449 transitions, 20418 flow [2021-04-29 04:12:30,024 INFO L129 PetriNetUnfolder]: 0/2082 cut-off events. [2021-04-29 04:12:30,025 INFO L130 PetriNetUnfolder]: For 96029/96316 co-relation queries the response was YES. [2021-04-29 04:12:30,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18563 conditions, 2082 events. 0/2082 cut-off events. For 96029/96316 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 30549 event pairs, 0 based on Foata normal form. 3/2022 useless extension candidates. Maximal degree in co-relation 0. Up to 241 conditions per place. [2021-04-29 04:12:30,049 INFO L146 LiptonReduction]: Number of co-enabled transitions 2138 [2021-04-29 04:12:30,098 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:30,098 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:30,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 558 [2021-04-29 04:12:30,099 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 449 transitions, 20418 flow [2021-04-29 04:12:30,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:30,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:30,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:30,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-04-29 04:12:30,099 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:30,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1975547050, now seen corresponding path program 126 times [2021-04-29 04:12:30,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:30,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091504669] [2021-04-29 04:12:30,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:30,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:30,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:30,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:30,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:30,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:30,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:30,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:30,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:30,165 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:30,195 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:30,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:30,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091504669] [2021-04-29 04:12:30,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:30,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:30,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924446222] [2021-04-29 04:12:30,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:30,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:30,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:30,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:30,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:30,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 449 transitions, 20418 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:30,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:30,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:30,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:31,268 INFO L129 PetriNetUnfolder]: 56/2176 cut-off events. [2021-04-29 04:12:31,268 INFO L130 PetriNetUnfolder]: For 100891/104182 co-relation queries the response was YES. [2021-04-29 04:12:31,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20204 conditions, 2176 events. 56/2176 cut-off events. For 100891/104182 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 31088 event pairs, 56 based on Foata normal form. 33/2129 useless extension candidates. Maximal degree in co-relation 20085. Up to 441 conditions per place. [2021-04-29 04:12:31,286 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 167 changer transitions 1/453 dead transitions. [2021-04-29 04:12:31,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 453 transitions, 21316 flow [2021-04-29 04:12:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:31,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:31,287 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:31,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:31,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:31,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:31,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:31,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:31,288 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:31,288 INFO L185 Difference]: Start difference. First operand has 515 places, 449 transitions, 20418 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:31,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 453 transitions, 21316 flow [2021-04-29 04:12:32,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 453 transitions, 20984 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:32,301 INFO L241 Difference]: Finished difference. Result has 518 places, 448 transitions, 20352 flow [2021-04-29 04:12:32,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20094, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20352, PETRI_PLACES=518, PETRI_TRANSITIONS=448} [2021-04-29 04:12:32,302 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 474 predicate places. [2021-04-29 04:12:32,302 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:32,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 518 places, 448 transitions, 20352 flow [2021-04-29 04:12:32,302 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 518 places, 448 transitions, 20352 flow [2021-04-29 04:12:32,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 448 transitions, 20352 flow [2021-04-29 04:12:32,830 INFO L129 PetriNetUnfolder]: 0/2076 cut-off events. [2021-04-29 04:12:32,830 INFO L130 PetriNetUnfolder]: For 94894/95199 co-relation queries the response was YES. [2021-04-29 04:12:32,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18559 conditions, 2076 events. 0/2076 cut-off events. For 94894/95199 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 30441 event pairs, 0 based on Foata normal form. 3/2014 useless extension candidates. Maximal degree in co-relation 0. Up to 240 conditions per place. [2021-04-29 04:12:32,855 INFO L146 LiptonReduction]: Number of co-enabled transitions 2134 [2021-04-29 04:12:32,902 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:32,902 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:32,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 601 [2021-04-29 04:12:32,903 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 448 transitions, 20352 flow [2021-04-29 04:12:32,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:32,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:32,903 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:32,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-04-29 04:12:32,903 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:32,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:32,904 INFO L82 PathProgramCache]: Analyzing trace with hash -951689502, now seen corresponding path program 127 times [2021-04-29 04:12:32,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:32,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182951707] [2021-04-29 04:12:32,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:32,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:32,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:32,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:32,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:32,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:32,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:32,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:32,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:32,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:32,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:32,966 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:32,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:32,998 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:32,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:33,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182951707] [2021-04-29 04:12:33,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:33,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:33,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61890963] [2021-04-29 04:12:33,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:33,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:33,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:33,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:33,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:33,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 448 transitions, 20352 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:33,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:33,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:33,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:34,064 INFO L129 PetriNetUnfolder]: 56/2170 cut-off events. [2021-04-29 04:12:34,065 INFO L130 PetriNetUnfolder]: For 100134/103729 co-relation queries the response was YES. [2021-04-29 04:12:34,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20198 conditions, 2170 events. 56/2170 cut-off events. For 100134/103729 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 30974 event pairs, 56 based on Foata normal form. 35/2127 useless extension candidates. Maximal degree in co-relation 20080. Up to 441 conditions per place. [2021-04-29 04:12:34,082 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 164 changer transitions 3/452 dead transitions. [2021-04-29 04:12:34,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 452 transitions, 21248 flow [2021-04-29 04:12:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:34,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:34,083 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:34,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:34,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:34,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:34,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:34,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:34,084 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:34,085 INFO L185 Difference]: Start difference. First operand has 516 places, 448 transitions, 20352 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:34,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 452 transitions, 21248 flow [2021-04-29 04:12:35,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 452 transitions, 20887 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:35,050 INFO L241 Difference]: Finished difference. Result has 518 places, 445 transitions, 20144 flow [2021-04-29 04:12:35,050 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19999, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20144, PETRI_PLACES=518, PETRI_TRANSITIONS=445} [2021-04-29 04:12:35,051 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 474 predicate places. [2021-04-29 04:12:35,051 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:35,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 518 places, 445 transitions, 20144 flow [2021-04-29 04:12:35,051 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 518 places, 445 transitions, 20144 flow [2021-04-29 04:12:35,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 445 transitions, 20144 flow [2021-04-29 04:12:35,755 INFO L129 PetriNetUnfolder]: 0/2066 cut-off events. [2021-04-29 04:12:35,756 INFO L130 PetriNetUnfolder]: For 93036/93368 co-relation queries the response was YES. [2021-04-29 04:12:35,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18463 conditions, 2066 events. 0/2066 cut-off events. For 93036/93368 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 30250 event pairs, 0 based on Foata normal form. 2/2007 useless extension candidates. Maximal degree in co-relation 0. Up to 239 conditions per place. [2021-04-29 04:12:35,780 INFO L146 LiptonReduction]: Number of co-enabled transitions 2120 [2021-04-29 04:12:35,827 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:35,827 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:35,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 777 [2021-04-29 04:12:35,828 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 445 transitions, 20144 flow [2021-04-29 04:12:35,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:35,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:35,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:35,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-04-29 04:12:35,828 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:35,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:35,829 INFO L82 PathProgramCache]: Analyzing trace with hash 347544502, now seen corresponding path program 128 times [2021-04-29 04:12:35,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:35,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15740644] [2021-04-29 04:12:35,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:35,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:35,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:35,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:35,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:35,868 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:12:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:12:35,907 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:35,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:35,940 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:35,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:35,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15740644] [2021-04-29 04:12:35,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:35,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:35,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922235045] [2021-04-29 04:12:35,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:35,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:35,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:35,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:35,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:35,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 445 transitions, 20144 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:35,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:35,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:35,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:36,993 INFO L129 PetriNetUnfolder]: 56/2160 cut-off events. [2021-04-29 04:12:36,993 INFO L130 PetriNetUnfolder]: For 97729/101000 co-relation queries the response was YES. [2021-04-29 04:12:37,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20097 conditions, 2160 events. 56/2160 cut-off events. For 97729/101000 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 30811 event pairs, 56 based on Foata normal form. 35/2116 useless extension candidates. Maximal degree in co-relation 19981. Up to 441 conditions per place. [2021-04-29 04:12:37,010 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 272 selfloop transitions, 163 changer transitions 2/449 dead transitions. [2021-04-29 04:12:37,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 449 transitions, 21034 flow [2021-04-29 04:12:37,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:37,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:37,011 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:37,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:37,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:37,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:37,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:37,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:37,013 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:37,013 INFO L185 Difference]: Start difference. First operand has 517 places, 445 transitions, 20144 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:37,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 449 transitions, 21034 flow [2021-04-29 04:12:37,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 449 transitions, 20709 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:37,948 INFO L241 Difference]: Finished difference. Result has 520 places, 443 transitions, 20027 flow [2021-04-29 04:12:37,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19827, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20027, PETRI_PLACES=520, PETRI_TRANSITIONS=443} [2021-04-29 04:12:37,949 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 476 predicate places. [2021-04-29 04:12:37,949 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:37,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 443 transitions, 20027 flow [2021-04-29 04:12:37,949 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 443 transitions, 20027 flow [2021-04-29 04:12:37,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 519 places, 443 transitions, 20027 flow [2021-04-29 04:12:38,408 INFO L129 PetriNetUnfolder]: 0/2058 cut-off events. [2021-04-29 04:12:38,408 INFO L130 PetriNetUnfolder]: For 93075/93507 co-relation queries the response was YES. [2021-04-29 04:12:38,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18396 conditions, 2058 events. 0/2058 cut-off events. For 93075/93507 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 30166 event pairs, 0 based on Foata normal form. 4/2002 useless extension candidates. Maximal degree in co-relation 0. Up to 238 conditions per place. [2021-04-29 04:12:38,432 INFO L146 LiptonReduction]: Number of co-enabled transitions 2110 [2021-04-29 04:12:38,479 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:38,479 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:38,480 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 531 [2021-04-29 04:12:38,480 INFO L480 AbstractCegarLoop]: Abstraction has has 519 places, 443 transitions, 20027 flow [2021-04-29 04:12:38,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:38,480 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:38,480 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:38,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-04-29 04:12:38,480 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:38,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:38,481 INFO L82 PathProgramCache]: Analyzing trace with hash -535369886, now seen corresponding path program 129 times [2021-04-29 04:12:38,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:38,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226750916] [2021-04-29 04:12:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:38,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:38,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:38,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:38,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:38,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:38,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:38,524 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:38,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:38,545 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:38,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:38,571 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:38,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:38,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226750916] [2021-04-29 04:12:38,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:38,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:38,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281159341] [2021-04-29 04:12:38,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:38,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:38,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:38,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:38,602 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:38,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 443 transitions, 20027 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:38,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:38,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:38,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:39,633 INFO L129 PetriNetUnfolder]: 56/2152 cut-off events. [2021-04-29 04:12:39,633 INFO L130 PetriNetUnfolder]: For 97440/100787 co-relation queries the response was YES. [2021-04-29 04:12:39,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20027 conditions, 2152 events. 56/2152 cut-off events. For 97440/100787 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 30650 event pairs, 56 based on Foata normal form. 33/2107 useless extension candidates. Maximal degree in co-relation 19911. Up to 441 conditions per place. [2021-04-29 04:12:39,651 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 159 changer transitions 3/447 dead transitions. [2021-04-29 04:12:39,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 447 transitions, 20913 flow [2021-04-29 04:12:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:39,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:39,652 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:39,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:39,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:39,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:39,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:39,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:39,653 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:39,653 INFO L185 Difference]: Start difference. First operand has 519 places, 443 transitions, 20027 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:39,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 447 transitions, 20913 flow [2021-04-29 04:12:40,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 447 transitions, 20491 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:40,606 INFO L241 Difference]: Finished difference. Result has 521 places, 440 transitions, 19773 flow [2021-04-29 04:12:40,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19613, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19773, PETRI_PLACES=521, PETRI_TRANSITIONS=440} [2021-04-29 04:12:40,606 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 477 predicate places. [2021-04-29 04:12:40,606 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:40,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 440 transitions, 19773 flow [2021-04-29 04:12:40,607 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 440 transitions, 19773 flow [2021-04-29 04:12:40,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 440 transitions, 19773 flow [2021-04-29 04:12:41,028 INFO L129 PetriNetUnfolder]: 0/1977 cut-off events. [2021-04-29 04:12:41,029 INFO L130 PetriNetUnfolder]: For 82925/83094 co-relation queries the response was YES. [2021-04-29 04:12:41,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16707 conditions, 1977 events. 0/1977 cut-off events. For 82925/83094 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 28818 event pairs, 0 based on Foata normal form. 2/1923 useless extension candidates. Maximal degree in co-relation 0. Up to 237 conditions per place. [2021-04-29 04:12:41,051 INFO L146 LiptonReduction]: Number of co-enabled transitions 2080 [2021-04-29 04:12:41,098 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:41,098 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:41,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 492 [2021-04-29 04:12:41,098 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 440 transitions, 19773 flow [2021-04-29 04:12:41,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:41,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:41,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:41,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-04-29 04:12:41,099 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:41,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:41,099 INFO L82 PathProgramCache]: Analyzing trace with hash -827442216, now seen corresponding path program 130 times [2021-04-29 04:12:41,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:41,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135227215] [2021-04-29 04:12:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:41,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:41,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:41,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:41,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:41,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:41,126 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:12:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:12:41,147 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:41,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:41,171 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:41,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:41,202 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:41,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135227215] [2021-04-29 04:12:41,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:41,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:41,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979302637] [2021-04-29 04:12:41,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:41,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:41,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:41,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:41,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:41,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 440 transitions, 19773 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:41,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:41,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:41,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:42,182 INFO L129 PetriNetUnfolder]: 56/2071 cut-off events. [2021-04-29 04:12:42,182 INFO L130 PetriNetUnfolder]: For 85410/86165 co-relation queries the response was YES. [2021-04-29 04:12:42,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18274 conditions, 2071 events. 56/2071 cut-off events. For 85410/86165 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 29467 event pairs, 15 based on Foata normal form. 33/2045 useless extension candidates. Maximal degree in co-relation 18158. Up to 531 conditions per place. [2021-04-29 04:12:42,198 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 323 selfloop transitions, 159 changer transitions 2/496 dead transitions. [2021-04-29 04:12:42,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 496 transitions, 22572 flow [2021-04-29 04:12:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:42,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:42,199 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:42,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:42,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:42,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:42,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:42,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:42,201 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:42,201 INFO L185 Difference]: Start difference. First operand has 520 places, 440 transitions, 19773 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:42,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 496 transitions, 22572 flow [2021-04-29 04:12:43,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 496 transitions, 22079 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:43,028 INFO L241 Difference]: Finished difference. Result has 524 places, 443 transitions, 19844 flow [2021-04-29 04:12:43,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19354, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19844, PETRI_PLACES=524, PETRI_TRANSITIONS=443} [2021-04-29 04:12:43,028 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 480 predicate places. [2021-04-29 04:12:43,029 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:43,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 443 transitions, 19844 flow [2021-04-29 04:12:43,029 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 443 transitions, 19844 flow [2021-04-29 04:12:43,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 522 places, 443 transitions, 19844 flow [2021-04-29 04:12:43,465 INFO L129 PetriNetUnfolder]: 0/1971 cut-off events. [2021-04-29 04:12:43,465 INFO L130 PetriNetUnfolder]: For 83336/83505 co-relation queries the response was YES. [2021-04-29 04:12:43,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16565 conditions, 1971 events. 0/1971 cut-off events. For 83336/83505 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 28760 event pairs, 0 based on Foata normal form. 2/1913 useless extension candidates. Maximal degree in co-relation 0. Up to 236 conditions per place. [2021-04-29 04:12:43,488 INFO L146 LiptonReduction]: Number of co-enabled transitions 2080 [2021-04-29 04:12:43,535 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:43,535 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:43,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 506 [2021-04-29 04:12:43,535 INFO L480 AbstractCegarLoop]: Abstraction has has 522 places, 443 transitions, 19844 flow [2021-04-29 04:12:43,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:43,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:43,536 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:43,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-04-29 04:12:43,536 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:43,536 INFO L82 PathProgramCache]: Analyzing trace with hash -481973150, now seen corresponding path program 131 times [2021-04-29 04:12:43,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:43,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633903309] [2021-04-29 04:12:43,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:43,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:43,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:43,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:43,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:43,563 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:12:43,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:12:43,578 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:12:43,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:12:43,599 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:43,627 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:43,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:43,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633903309] [2021-04-29 04:12:43,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:43,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:43,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608531640] [2021-04-29 04:12:43,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:43,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:43,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:43,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:43,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:43,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 443 transitions, 19844 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:43,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:43,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:43,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:44,624 INFO L129 PetriNetUnfolder]: 56/2065 cut-off events. [2021-04-29 04:12:44,625 INFO L130 PetriNetUnfolder]: For 85394/86134 co-relation queries the response was YES. [2021-04-29 04:12:44,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18155 conditions, 2065 events. 56/2065 cut-off events. For 85394/86134 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 29324 event pairs, 15 based on Foata normal form. 33/2043 useless extension candidates. Maximal degree in co-relation 18037. Up to 531 conditions per place. [2021-04-29 04:12:44,641 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 320 selfloop transitions, 161 changer transitions 1/494 dead transitions. [2021-04-29 04:12:44,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 494 transitions, 22363 flow [2021-04-29 04:12:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:44,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:44,643 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:44,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:44,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:44,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:44,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:44,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:44,644 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:44,644 INFO L185 Difference]: Start difference. First operand has 522 places, 443 transitions, 19844 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:44,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 494 transitions, 22363 flow [2021-04-29 04:12:45,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 494 transitions, 22020 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:45,490 INFO L241 Difference]: Finished difference. Result has 526 places, 443 transitions, 19844 flow [2021-04-29 04:12:45,490 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19515, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19844, PETRI_PLACES=526, PETRI_TRANSITIONS=443} [2021-04-29 04:12:45,490 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 482 predicate places. [2021-04-29 04:12:45,490 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:45,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 443 transitions, 19844 flow [2021-04-29 04:12:45,490 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 443 transitions, 19844 flow [2021-04-29 04:12:45,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 524 places, 443 transitions, 19844 flow [2021-04-29 04:12:45,922 INFO L129 PetriNetUnfolder]: 0/1967 cut-off events. [2021-04-29 04:12:45,922 INFO L130 PetriNetUnfolder]: For 83206/83356 co-relation queries the response was YES. [2021-04-29 04:12:45,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16532 conditions, 1967 events. 0/1967 cut-off events. For 83206/83356 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 28717 event pairs, 0 based on Foata normal form. 2/1912 useless extension candidates. Maximal degree in co-relation 0. Up to 235 conditions per place. [2021-04-29 04:12:45,944 INFO L146 LiptonReduction]: Number of co-enabled transitions 2074 [2021-04-29 04:12:45,990 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:45,990 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:45,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 501 [2021-04-29 04:12:45,991 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 443 transitions, 19844 flow [2021-04-29 04:12:45,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:45,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:45,991 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:45,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-04-29 04:12:45,991 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:45,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:45,992 INFO L82 PathProgramCache]: Analyzing trace with hash 675091660, now seen corresponding path program 132 times [2021-04-29 04:12:45,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:45,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848313118] [2021-04-29 04:12:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:46,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:46,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:46,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:46,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:46,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:46,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:46,021 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:12:46,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:12:46,039 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:46,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:46,061 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:12:46,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:12:46,093 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:46,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:46,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848313118] [2021-04-29 04:12:46,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:46,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:46,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745090592] [2021-04-29 04:12:46,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:46,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:46,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:46,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:46,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:46,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 443 transitions, 19844 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:46,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:46,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:46,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:47,046 INFO L129 PetriNetUnfolder]: 56/2061 cut-off events. [2021-04-29 04:12:47,046 INFO L130 PetriNetUnfolder]: For 85446/86186 co-relation queries the response was YES. [2021-04-29 04:12:47,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18120 conditions, 2061 events. 56/2061 cut-off events. For 85446/86186 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 29268 event pairs, 15 based on Foata normal form. 33/2039 useless extension candidates. Maximal degree in co-relation 18001. Up to 531 conditions per place. [2021-04-29 04:12:47,062 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 321 selfloop transitions, 158 changer transitions 2/493 dead transitions. [2021-04-29 04:12:47,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 493 transitions, 22312 flow [2021-04-29 04:12:47,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:47,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:47,063 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:47,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:47,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:47,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:47,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:47,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:47,064 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:47,064 INFO L185 Difference]: Start difference. First operand has 524 places, 443 transitions, 19844 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:47,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 493 transitions, 22312 flow [2021-04-29 04:12:47,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 493 transitions, 21995 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:12:47,883 INFO L241 Difference]: Finished difference. Result has 527 places, 441 transitions, 19745 flow [2021-04-29 04:12:47,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19535, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19745, PETRI_PLACES=527, PETRI_TRANSITIONS=441} [2021-04-29 04:12:47,884 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 483 predicate places. [2021-04-29 04:12:47,884 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:47,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 441 transitions, 19745 flow [2021-04-29 04:12:47,884 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 441 transitions, 19745 flow [2021-04-29 04:12:47,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 525 places, 441 transitions, 19745 flow [2021-04-29 04:12:48,310 INFO L129 PetriNetUnfolder]: 0/1961 cut-off events. [2021-04-29 04:12:48,310 INFO L130 PetriNetUnfolder]: For 83012/83203 co-relation queries the response was YES. [2021-04-29 04:12:48,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16480 conditions, 1961 events. 0/1961 cut-off events. For 83012/83203 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 28559 event pairs, 0 based on Foata normal form. 2/1903 useless extension candidates. Maximal degree in co-relation 0. Up to 234 conditions per place. [2021-04-29 04:12:48,331 INFO L146 LiptonReduction]: Number of co-enabled transitions 2056 [2021-04-29 04:12:48,378 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:48,378 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:48,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-04-29 04:12:48,379 INFO L480 AbstractCegarLoop]: Abstraction has has 525 places, 441 transitions, 19745 flow [2021-04-29 04:12:48,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:48,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:48,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:48,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-04-29 04:12:48,379 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:48,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:48,379 INFO L82 PathProgramCache]: Analyzing trace with hash -171855220, now seen corresponding path program 133 times [2021-04-29 04:12:48,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:48,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905445310] [2021-04-29 04:12:48,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:48,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:48,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:48,392 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:48,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:48,403 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:12:48,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:12:48,422 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:48,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:48,446 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:48,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:48,478 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:48,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:48,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905445310] [2021-04-29 04:12:48,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:48,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:48,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166909376] [2021-04-29 04:12:48,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:48,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:48,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:48,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:48,509 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:48,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 441 transitions, 19745 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:48,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:48,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:48,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:49,451 INFO L129 PetriNetUnfolder]: 56/2055 cut-off events. [2021-04-29 04:12:49,451 INFO L130 PetriNetUnfolder]: For 85040/85774 co-relation queries the response was YES. [2021-04-29 04:12:49,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18065 conditions, 2055 events. 56/2055 cut-off events. For 85040/85774 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 29178 event pairs, 15 based on Foata normal form. 30/2031 useless extension candidates. Maximal degree in co-relation 17946. Up to 531 conditions per place. [2021-04-29 04:12:49,468 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 159 changer transitions 1/491 dead transitions. [2021-04-29 04:12:49,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 491 transitions, 22209 flow [2021-04-29 04:12:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:49,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:49,469 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:49,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:49,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:49,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:49,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:49,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:49,471 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:49,471 INFO L185 Difference]: Start difference. First operand has 525 places, 441 transitions, 19745 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:49,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 491 transitions, 22209 flow [2021-04-29 04:12:50,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 491 transitions, 21992 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-29 04:12:50,274 INFO L241 Difference]: Finished difference. Result has 531 places, 444 transitions, 20012 flow [2021-04-29 04:12:50,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19536, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20012, PETRI_PLACES=531, PETRI_TRANSITIONS=444} [2021-04-29 04:12:50,275 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 487 predicate places. [2021-04-29 04:12:50,275 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:50,275 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 531 places, 444 transitions, 20012 flow [2021-04-29 04:12:50,275 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 531 places, 444 transitions, 20012 flow [2021-04-29 04:12:50,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 444 transitions, 20012 flow [2021-04-29 04:12:50,698 INFO L129 PetriNetUnfolder]: 0/1956 cut-off events. [2021-04-29 04:12:50,698 INFO L130 PetriNetUnfolder]: For 84132/84284 co-relation queries the response was YES. [2021-04-29 04:12:50,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16544 conditions, 1956 events. 0/1956 cut-off events. For 84132/84284 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 28478 event pairs, 0 based on Foata normal form. 2/1905 useless extension candidates. Maximal degree in co-relation 0. Up to 233 conditions per place. [2021-04-29 04:12:50,719 INFO L146 LiptonReduction]: Number of co-enabled transitions 2058 [2021-04-29 04:12:50,767 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:50,767 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:50,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 493 [2021-04-29 04:12:50,768 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 444 transitions, 20012 flow [2021-04-29 04:12:50,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:50,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:50,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:50,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-04-29 04:12:50,768 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:50,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1273972168, now seen corresponding path program 134 times [2021-04-29 04:12:50,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:50,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67858273] [2021-04-29 04:12:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:50,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:50,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:50,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:50,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:50,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:50,801 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:50,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:50,828 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:12:50,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:12:50,853 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:12:50,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:12:50,887 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:50,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:50,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67858273] [2021-04-29 04:12:50,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:50,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:50,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66588771] [2021-04-29 04:12:50,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:50,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:50,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:50,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:50,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:50,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 444 transitions, 20012 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:50,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:50,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:50,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:51,965 INFO L129 PetriNetUnfolder]: 57/2340 cut-off events. [2021-04-29 04:12:51,965 INFO L130 PetriNetUnfolder]: For 94563/95435 co-relation queries the response was YES. [2021-04-29 04:12:51,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19937 conditions, 2340 events. 57/2340 cut-off events. For 94563/95435 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 33962 event pairs, 16 based on Foata normal form. 15/2295 useless extension candidates. Maximal degree in co-relation 19817. Up to 532 conditions per place. [2021-04-29 04:12:51,984 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 367 selfloop transitions, 189 changer transitions 5/573 dead transitions. [2021-04-29 04:12:51,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 573 transitions, 25800 flow [2021-04-29 04:12:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:51,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:51,985 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:51,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:51,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:51,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:51,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:51,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:51,986 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:51,986 INFO L185 Difference]: Start difference. First operand has 529 places, 444 transitions, 20012 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:51,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 573 transitions, 25800 flow [2021-04-29 04:12:52,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 573 transitions, 25424 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:52,931 INFO L241 Difference]: Finished difference. Result has 538 places, 487 transitions, 22208 flow [2021-04-29 04:12:52,932 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19722, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22208, PETRI_PLACES=538, PETRI_TRANSITIONS=487} [2021-04-29 04:12:52,932 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 494 predicate places. [2021-04-29 04:12:52,932 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:52,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 538 places, 487 transitions, 22208 flow [2021-04-29 04:12:52,933 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 538 places, 487 transitions, 22208 flow [2021-04-29 04:12:52,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 537 places, 487 transitions, 22208 flow [2021-04-29 04:12:53,451 INFO L129 PetriNetUnfolder]: 0/2228 cut-off events. [2021-04-29 04:12:53,451 INFO L130 PetriNetUnfolder]: For 96949/97103 co-relation queries the response was YES. [2021-04-29 04:12:53,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18393 conditions, 2228 events. 0/2228 cut-off events. For 96949/97103 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 33154 event pairs, 0 based on Foata normal form. 2/2179 useless extension candidates. Maximal degree in co-relation 0. Up to 263 conditions per place. [2021-04-29 04:12:53,475 INFO L146 LiptonReduction]: Number of co-enabled transitions 2258 [2021-04-29 04:12:53,534 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:53,534 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:53,534 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-04-29 04:12:53,534 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 487 transitions, 22208 flow [2021-04-29 04:12:53,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:53,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:53,535 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:53,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-04-29 04:12:53,535 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:53,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:53,535 INFO L82 PathProgramCache]: Analyzing trace with hash -795508, now seen corresponding path program 135 times [2021-04-29 04:12:53,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:53,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410772613] [2021-04-29 04:12:53,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:53,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:53,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:53,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:53,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:53,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:53,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:53,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:53,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:53,587 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:12:53,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:12:53,623 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:12:53,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:12:53,656 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:53,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:53,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410772613] [2021-04-29 04:12:53,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:53,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:53,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14765540] [2021-04-29 04:12:53,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:53,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:53,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:53,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:53,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:53,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 487 transitions, 22208 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:53,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:53,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:53,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:54,846 INFO L129 PetriNetUnfolder]: 51/2452 cut-off events. [2021-04-29 04:12:54,847 INFO L130 PetriNetUnfolder]: For 104108/105479 co-relation queries the response was YES. [2021-04-29 04:12:54,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20834 conditions, 2452 events. 51/2452 cut-off events. For 104108/105479 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 36109 event pairs, 19 based on Foata normal form. 26/2407 useless extension candidates. Maximal degree in co-relation 20709. Up to 503 conditions per place. [2021-04-29 04:12:54,867 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 290 selfloop transitions, 236 changer transitions 3/541 dead transitions. [2021-04-29 04:12:54,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 541 transitions, 25010 flow [2021-04-29 04:12:54,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:54,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:54,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:54,869 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:54,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:54,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:54,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:54,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:54,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:54,870 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:54,870 INFO L185 Difference]: Start difference. First operand has 537 places, 487 transitions, 22208 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:54,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 541 transitions, 25010 flow [2021-04-29 04:12:55,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 541 transitions, 24767 flow, removed 79 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:55,956 INFO L241 Difference]: Finished difference. Result has 545 places, 500 transitions, 23126 flow [2021-04-29 04:12:55,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22009, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23126, PETRI_PLACES=545, PETRI_TRANSITIONS=500} [2021-04-29 04:12:55,957 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 501 predicate places. [2021-04-29 04:12:55,957 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:55,957 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 545 places, 500 transitions, 23126 flow [2021-04-29 04:12:55,957 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 545 places, 500 transitions, 23126 flow [2021-04-29 04:12:55,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 544 places, 500 transitions, 23126 flow [2021-04-29 04:12:56,488 INFO L129 PetriNetUnfolder]: 0/2351 cut-off events. [2021-04-29 04:12:56,488 INFO L130 PetriNetUnfolder]: For 104616/104812 co-relation queries the response was YES. [2021-04-29 04:12:56,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19400 conditions, 2351 events. 0/2351 cut-off events. For 104616/104812 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 35327 event pairs, 0 based on Foata normal form. 3/2286 useless extension candidates. Maximal degree in co-relation 0. Up to 276 conditions per place. [2021-04-29 04:12:56,513 INFO L146 LiptonReduction]: Number of co-enabled transitions 2300 [2021-04-29 04:12:56,572 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:56,572 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:56,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 615 [2021-04-29 04:12:56,572 INFO L480 AbstractCegarLoop]: Abstraction has has 544 places, 500 transitions, 23126 flow [2021-04-29 04:12:56,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:56,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:56,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:56,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-04-29 04:12:56,573 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:56,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:56,573 INFO L82 PathProgramCache]: Analyzing trace with hash -806306608, now seen corresponding path program 136 times [2021-04-29 04:12:56,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:56,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435050756] [2021-04-29 04:12:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:56,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:56,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:56,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:56,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:56,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:56,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:56,597 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:12:56,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:12:56,615 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:12:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:12:56,640 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:12:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:12:56,672 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:12:56,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:12:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:56,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435050756] [2021-04-29 04:12:56,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:56,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:12:56,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983726811] [2021-04-29 04:12:56,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:12:56,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:56,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:12:56,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:12:56,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:12:56,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 500 transitions, 23126 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:56,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:56,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:12:56,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:57,912 INFO L129 PetriNetUnfolder]: 51/2443 cut-off events. [2021-04-29 04:12:57,912 INFO L130 PetriNetUnfolder]: For 108480/109550 co-relation queries the response was YES. [2021-04-29 04:12:57,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21232 conditions, 2443 events. 51/2443 cut-off events. For 108480/109550 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 36053 event pairs, 11 based on Foata normal form. 41/2428 useless extension candidates. Maximal degree in co-relation 21105. Up to 599 conditions per place. [2021-04-29 04:12:57,933 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 367 selfloop transitions, 176 changer transitions 3/558 dead transitions. [2021-04-29 04:12:57,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 558 transitions, 26013 flow [2021-04-29 04:12:57,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:12:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:12:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:12:57,934 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:12:57,934 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:12:57,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:12:57,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:57,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:12:57,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:57,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:57,935 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:57,936 INFO L185 Difference]: Start difference. First operand has 544 places, 500 transitions, 23126 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:12:57,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 558 transitions, 26013 flow [2021-04-29 04:12:59,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 558 transitions, 25564 flow, removed 33 selfloop flow, removed 6 redundant places. [2021-04-29 04:12:59,043 INFO L241 Difference]: Finished difference. Result has 546 places, 497 transitions, 22924 flow [2021-04-29 04:12:59,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22715, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22924, PETRI_PLACES=546, PETRI_TRANSITIONS=497} [2021-04-29 04:12:59,044 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 502 predicate places. [2021-04-29 04:12:59,044 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:59,044 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 497 transitions, 22924 flow [2021-04-29 04:12:59,044 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 497 transitions, 22924 flow [2021-04-29 04:12:59,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 544 places, 497 transitions, 22924 flow [2021-04-29 04:12:59,849 INFO L129 PetriNetUnfolder]: 0/2340 cut-off events. [2021-04-29 04:12:59,849 INFO L130 PetriNetUnfolder]: For 102511/102673 co-relation queries the response was YES. [2021-04-29 04:12:59,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19292 conditions, 2340 events. 0/2340 cut-off events. For 102511/102673 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 35139 event pairs, 0 based on Foata normal form. 2/2277 useless extension candidates. Maximal degree in co-relation 0. Up to 275 conditions per place. [2021-04-29 04:12:59,877 INFO L146 LiptonReduction]: Number of co-enabled transitions 2276 [2021-04-29 04:12:59,936 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:59,936 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:59,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 893 [2021-04-29 04:12:59,937 INFO L480 AbstractCegarLoop]: Abstraction has has 544 places, 497 transitions, 22924 flow [2021-04-29 04:12:59,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:12:59,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:59,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:12:59,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-04-29 04:12:59,937 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:59,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:59,938 INFO L82 PathProgramCache]: Analyzing trace with hash -437056166, now seen corresponding path program 137 times [2021-04-29 04:12:59,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:59,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788671474] [2021-04-29 04:12:59,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:59,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:59,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:59,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:59,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:59,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:59,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:59,979 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:12:59,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:13:00,019 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:00,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:00,054 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:00,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:00,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788671474] [2021-04-29 04:13:00,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:00,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:00,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41911209] [2021-04-29 04:13:00,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:00,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:00,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:00,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:00,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:00,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 497 transitions, 22924 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:00,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:00,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:00,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:01,261 INFO L129 PetriNetUnfolder]: 51/2432 cut-off events. [2021-04-29 04:13:01,262 INFO L130 PetriNetUnfolder]: For 106215/107233 co-relation queries the response was YES. [2021-04-29 04:13:01,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21112 conditions, 2432 events. 51/2432 cut-off events. For 106215/107233 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 35713 event pairs, 22 based on Foata normal form. 31/2405 useless extension candidates. Maximal degree in co-relation 20987. Up to 599 conditions per place. [2021-04-29 04:13:01,288 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 369 selfloop transitions, 172 changer transitions 2/555 dead transitions. [2021-04-29 04:13:01,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 555 transitions, 25775 flow [2021-04-29 04:13:01,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:01,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:01,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:01,289 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:01,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:01,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:01,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:01,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:01,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:01,290 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:01,290 INFO L185 Difference]: Start difference. First operand has 544 places, 497 transitions, 22924 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:01,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 555 transitions, 25775 flow [2021-04-29 04:13:02,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 555 transitions, 25428 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:02,422 INFO L241 Difference]: Finished difference. Result has 549 places, 512 transitions, 23648 flow [2021-04-29 04:13:02,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=22585, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23648, PETRI_PLACES=549, PETRI_TRANSITIONS=512} [2021-04-29 04:13:02,422 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 505 predicate places. [2021-04-29 04:13:02,423 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:02,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 549 places, 512 transitions, 23648 flow [2021-04-29 04:13:02,423 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 549 places, 512 transitions, 23648 flow [2021-04-29 04:13:02,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 547 places, 512 transitions, 23648 flow [2021-04-29 04:13:02,981 INFO L129 PetriNetUnfolder]: 0/2333 cut-off events. [2021-04-29 04:13:02,981 INFO L130 PetriNetUnfolder]: For 104449/104624 co-relation queries the response was YES. [2021-04-29 04:13:02,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19338 conditions, 2333 events. 0/2333 cut-off events. For 104449/104624 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 35016 event pairs, 0 based on Foata normal form. 4/2275 useless extension candidates. Maximal degree in co-relation 0. Up to 274 conditions per place. [2021-04-29 04:13:03,006 INFO L146 LiptonReduction]: Number of co-enabled transitions 2306 [2021-04-29 04:13:03,066 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:03,066 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:03,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 644 [2021-04-29 04:13:03,067 INFO L480 AbstractCegarLoop]: Abstraction has has 547 places, 512 transitions, 23648 flow [2021-04-29 04:13:03,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:03,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:03,067 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:03,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-04-29 04:13:03,067 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:03,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:03,067 INFO L82 PathProgramCache]: Analyzing trace with hash 405570734, now seen corresponding path program 138 times [2021-04-29 04:13:03,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:03,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292093633] [2021-04-29 04:13:03,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:03,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:03,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:03,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:03,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:03,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:03,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:03,109 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:13:03,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:13:03,130 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:03,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:03,160 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:03,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292093633] [2021-04-29 04:13:03,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:03,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:03,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725023] [2021-04-29 04:13:03,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:03,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:03,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:03,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:03,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:03,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 512 transitions, 23648 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:03,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:03,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:03,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:04,416 INFO L129 PetriNetUnfolder]: 51/2425 cut-off events. [2021-04-29 04:13:04,416 INFO L130 PetriNetUnfolder]: For 107862/108895 co-relation queries the response was YES. [2021-04-29 04:13:04,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21155 conditions, 2425 events. 51/2425 cut-off events. For 107862/108895 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 35684 event pairs, 11 based on Foata normal form. 34/2402 useless extension candidates. Maximal degree in co-relation 21028. Up to 599 conditions per place. [2021-04-29 04:13:04,438 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 178 changer transitions 1/553 dead transitions. [2021-04-29 04:13:04,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 553 transitions, 25798 flow [2021-04-29 04:13:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:04,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:04,439 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:04,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:04,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:04,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:04,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:04,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:04,440 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:04,440 INFO L185 Difference]: Start difference. First operand has 547 places, 512 transitions, 23648 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:04,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 553 transitions, 25798 flow [2021-04-29 04:13:05,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 553 transitions, 25429 flow, removed 72 selfloop flow, removed 3 redundant places. [2021-04-29 04:13:05,601 INFO L241 Difference]: Finished difference. Result has 552 places, 511 transitions, 23581 flow [2021-04-29 04:13:05,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23287, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23581, PETRI_PLACES=552, PETRI_TRANSITIONS=511} [2021-04-29 04:13:05,601 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 508 predicate places. [2021-04-29 04:13:05,601 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:05,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 552 places, 511 transitions, 23581 flow [2021-04-29 04:13:05,601 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 552 places, 511 transitions, 23581 flow [2021-04-29 04:13:05,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 550 places, 511 transitions, 23581 flow [2021-04-29 04:13:06,129 INFO L129 PetriNetUnfolder]: 0/2330 cut-off events. [2021-04-29 04:13:06,129 INFO L130 PetriNetUnfolder]: For 102724/102871 co-relation queries the response was YES. [2021-04-29 04:13:06,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19279 conditions, 2330 events. 0/2330 cut-off events. For 102724/102871 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 34983 event pairs, 0 based on Foata normal form. 2/2271 useless extension candidates. Maximal degree in co-relation 0. Up to 273 conditions per place. [2021-04-29 04:13:06,155 INFO L146 LiptonReduction]: Number of co-enabled transitions 2296 [2021-04-29 04:13:06,210 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:06,211 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:06,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 610 [2021-04-29 04:13:06,211 INFO L480 AbstractCegarLoop]: Abstraction has has 550 places, 511 transitions, 23581 flow [2021-04-29 04:13:06,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:06,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:06,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:06,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-04-29 04:13:06,211 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:06,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:06,212 INFO L82 PathProgramCache]: Analyzing trace with hash 718428674, now seen corresponding path program 139 times [2021-04-29 04:13:06,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:06,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251602443] [2021-04-29 04:13:06,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:06,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:06,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:06,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:06,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:06,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:06,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:06,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:06,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:06,252 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:13:06,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:13:06,290 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:06,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:06,323 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:06,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251602443] [2021-04-29 04:13:06,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:06,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:06,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440265023] [2021-04-29 04:13:06,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:06,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:06,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:06,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:06,353 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:06,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 511 transitions, 23581 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:06,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:06,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:06,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:07,559 INFO L129 PetriNetUnfolder]: 51/2422 cut-off events. [2021-04-29 04:13:07,560 INFO L130 PetriNetUnfolder]: For 106336/107369 co-relation queries the response was YES. [2021-04-29 04:13:07,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21094 conditions, 2422 events. 51/2422 cut-off events. For 106336/107369 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 35645 event pairs, 11 based on Foata normal form. 34/2399 useless extension candidates. Maximal degree in co-relation 20967. Up to 599 conditions per place. [2021-04-29 04:13:07,581 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 369 selfloop transitions, 169 changer transitions 2/552 dead transitions. [2021-04-29 04:13:07,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 552 transitions, 25729 flow [2021-04-29 04:13:07,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:07,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:07,582 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:07,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:07,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:07,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:07,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:07,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:07,583 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:07,583 INFO L185 Difference]: Start difference. First operand has 550 places, 511 transitions, 23581 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:07,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 552 transitions, 25729 flow [2021-04-29 04:13:08,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 552 transitions, 25436 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:13:08,780 INFO L241 Difference]: Finished difference. Result has 555 places, 510 transitions, 23583 flow [2021-04-29 04:13:08,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23296, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23583, PETRI_PLACES=555, PETRI_TRANSITIONS=510} [2021-04-29 04:13:08,780 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 511 predicate places. [2021-04-29 04:13:08,781 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:08,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 555 places, 510 transitions, 23583 flow [2021-04-29 04:13:08,781 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 555 places, 510 transitions, 23583 flow [2021-04-29 04:13:08,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 553 places, 510 transitions, 23583 flow [2021-04-29 04:13:09,320 INFO L129 PetriNetUnfolder]: 0/2323 cut-off events. [2021-04-29 04:13:09,321 INFO L130 PetriNetUnfolder]: For 102839/103002 co-relation queries the response was YES. [2021-04-29 04:13:09,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19273 conditions, 2323 events. 0/2323 cut-off events. For 102839/103002 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 34803 event pairs, 0 based on Foata normal form. 3/2263 useless extension candidates. Maximal degree in co-relation 0. Up to 272 conditions per place. [2021-04-29 04:13:09,345 INFO L146 LiptonReduction]: Number of co-enabled transitions 2290 [2021-04-29 04:13:09,406 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:09,407 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:09,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 626 [2021-04-29 04:13:09,407 INFO L480 AbstractCegarLoop]: Abstraction has has 553 places, 510 transitions, 23583 flow [2021-04-29 04:13:09,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:09,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:09,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:09,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-04-29 04:13:09,408 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:09,408 INFO L82 PathProgramCache]: Analyzing trace with hash 952611808, now seen corresponding path program 140 times [2021-04-29 04:13:09,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:09,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196068960] [2021-04-29 04:13:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:09,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:09,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:09,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:09,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:09,425 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:09,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:09,433 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:09,450 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:13:09,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:13:09,476 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:09,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:09,508 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:09,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:09,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196068960] [2021-04-29 04:13:09,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:09,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:09,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319650973] [2021-04-29 04:13:09,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:09,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:09,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:09,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:09,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:09,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 510 transitions, 23583 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:09,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:09,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:09,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:10,773 INFO L129 PetriNetUnfolder]: 51/2415 cut-off events. [2021-04-29 04:13:10,773 INFO L130 PetriNetUnfolder]: For 106282/107295 co-relation queries the response was YES. [2021-04-29 04:13:10,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21085 conditions, 2415 events. 51/2415 cut-off events. For 106282/107295 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 35492 event pairs, 11 based on Foata normal form. 27/2385 useless extension candidates. Maximal degree in co-relation 20957. Up to 599 conditions per place. [2021-04-29 04:13:10,794 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 174 changer transitions 2/550 dead transitions. [2021-04-29 04:13:10,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 550 transitions, 25684 flow [2021-04-29 04:13:10,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:10,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:10,795 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:10,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:10,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:10,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:10,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:10,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:10,796 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:10,796 INFO L185 Difference]: Start difference. First operand has 553 places, 510 transitions, 23583 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:10,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 550 transitions, 25684 flow [2021-04-29 04:13:11,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 550 transitions, 25347 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:11,930 INFO L241 Difference]: Finished difference. Result has 556 places, 508 transitions, 23493 flow [2021-04-29 04:13:11,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23254, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23493, PETRI_PLACES=556, PETRI_TRANSITIONS=508} [2021-04-29 04:13:11,931 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 512 predicate places. [2021-04-29 04:13:11,931 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:11,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 556 places, 508 transitions, 23493 flow [2021-04-29 04:13:11,931 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 556 places, 508 transitions, 23493 flow [2021-04-29 04:13:11,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 554 places, 508 transitions, 23493 flow [2021-04-29 04:13:12,472 INFO L129 PetriNetUnfolder]: 0/2313 cut-off events. [2021-04-29 04:13:12,472 INFO L130 PetriNetUnfolder]: For 102204/102351 co-relation queries the response was YES. [2021-04-29 04:13:12,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19162 conditions, 2313 events. 0/2313 cut-off events. For 102204/102351 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 34620 event pairs, 0 based on Foata normal form. 2/2252 useless extension candidates. Maximal degree in co-relation 0. Up to 271 conditions per place. [2021-04-29 04:13:12,498 INFO L146 LiptonReduction]: Number of co-enabled transitions 2272 [2021-04-29 04:13:12,559 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:12,560 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:12,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 629 [2021-04-29 04:13:12,560 INFO L480 AbstractCegarLoop]: Abstraction has has 554 places, 508 transitions, 23493 flow [2021-04-29 04:13:12,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:12,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:12,560 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:12,560 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-04-29 04:13:12,561 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:12,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:12,561 INFO L82 PathProgramCache]: Analyzing trace with hash -891514634, now seen corresponding path program 141 times [2021-04-29 04:13:12,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:12,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778874593] [2021-04-29 04:13:12,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:12,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:12,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:12,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:13:12,584 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:12,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:12,616 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:12,650 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:12,683 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:12,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:12,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778874593] [2021-04-29 04:13:12,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:12,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:12,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570470255] [2021-04-29 04:13:12,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:12,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:12,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:12,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:12,716 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:12,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 508 transitions, 23493 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:12,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:12,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:12,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:13,978 INFO L129 PetriNetUnfolder]: 48/2487 cut-off events. [2021-04-29 04:13:13,979 INFO L130 PetriNetUnfolder]: For 108092/109161 co-relation queries the response was YES. [2021-04-29 04:13:13,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21432 conditions, 2487 events. 48/2487 cut-off events. For 108092/109161 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 36724 event pairs, 19 based on Foata normal form. 21/2449 useless extension candidates. Maximal degree in co-relation 21304. Up to 508 conditions per place. [2021-04-29 04:13:14,000 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 227 changer transitions 4/605 dead transitions. [2021-04-29 04:13:14,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 605 transitions, 28194 flow [2021-04-29 04:13:14,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:14,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:14,002 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:14,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:14,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:14,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:14,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:14,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:14,003 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:14,003 INFO L185 Difference]: Start difference. First operand has 554 places, 508 transitions, 23493 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:14,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 605 transitions, 28194 flow [2021-04-29 04:13:15,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 605 transitions, 27767 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:15,169 INFO L241 Difference]: Finished difference. Result has 562 places, 545 transitions, 25440 flow [2021-04-29 04:13:15,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23162, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25440, PETRI_PLACES=562, PETRI_TRANSITIONS=545} [2021-04-29 04:13:15,170 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 518 predicate places. [2021-04-29 04:13:15,170 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:15,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 562 places, 545 transitions, 25440 flow [2021-04-29 04:13:15,170 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 562 places, 545 transitions, 25440 flow [2021-04-29 04:13:15,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 561 places, 545 transitions, 25440 flow [2021-04-29 04:13:15,745 INFO L129 PetriNetUnfolder]: 0/2387 cut-off events. [2021-04-29 04:13:15,745 INFO L130 PetriNetUnfolder]: For 110628/110808 co-relation queries the response was YES. [2021-04-29 04:13:15,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19822 conditions, 2387 events. 0/2387 cut-off events. For 110628/110808 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 35965 event pairs, 0 based on Foata normal form. 8/2337 useless extension candidates. Maximal degree in co-relation 0. Up to 279 conditions per place. [2021-04-29 04:13:15,771 INFO L146 LiptonReduction]: Number of co-enabled transitions 2426 [2021-04-29 04:13:15,839 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:15,839 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:15,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 669 [2021-04-29 04:13:15,840 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 545 transitions, 25440 flow [2021-04-29 04:13:15,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:15,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:15,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:15,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-04-29 04:13:15,841 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash -560924900, now seen corresponding path program 142 times [2021-04-29 04:13:15,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:15,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506926232] [2021-04-29 04:13:15,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:15,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:15,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:15,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:15,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:15,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:15,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:15,868 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:15,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:15,885 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:13:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:13:15,908 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:15,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:15,941 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:15,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506926232] [2021-04-29 04:13:15,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:15,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:15,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547362866] [2021-04-29 04:13:15,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:15,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:15,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:15,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:15,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:15,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 545 transitions, 25440 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:15,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:15,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:15,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:17,290 INFO L129 PetriNetUnfolder]: 48/2476 cut-off events. [2021-04-29 04:13:17,290 INFO L130 PetriNetUnfolder]: For 114973/116052 co-relation queries the response was YES. [2021-04-29 04:13:17,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21689 conditions, 2476 events. 48/2476 cut-off events. For 114973/116052 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 36656 event pairs, 11 based on Foata normal form. 38/2463 useless extension candidates. Maximal degree in co-relation 21556. Up to 607 conditions per place. [2021-04-29 04:13:17,313 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 392 selfloop transitions, 184 changer transitions 2/590 dead transitions. [2021-04-29 04:13:17,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 590 transitions, 27815 flow [2021-04-29 04:13:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:17,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:17,314 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:17,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:17,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:17,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:17,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:17,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:17,315 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:17,315 INFO L185 Difference]: Start difference. First operand has 561 places, 545 transitions, 25440 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:17,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 590 transitions, 27815 flow [2021-04-29 04:13:18,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 590 transitions, 27552 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:18,486 INFO L241 Difference]: Finished difference. Result has 565 places, 547 transitions, 25648 flow [2021-04-29 04:13:18,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25201, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25648, PETRI_PLACES=565, PETRI_TRANSITIONS=547} [2021-04-29 04:13:18,487 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 521 predicate places. [2021-04-29 04:13:18,487 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:18,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 565 places, 547 transitions, 25648 flow [2021-04-29 04:13:18,487 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 565 places, 547 transitions, 25648 flow [2021-04-29 04:13:18,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 563 places, 547 transitions, 25648 flow [2021-04-29 04:13:19,139 INFO L129 PetriNetUnfolder]: 0/2380 cut-off events. [2021-04-29 04:13:19,139 INFO L130 PetriNetUnfolder]: For 111679/111881 co-relation queries the response was YES. [2021-04-29 04:13:19,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19925 conditions, 2380 events. 0/2380 cut-off events. For 111679/111881 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 35914 event pairs, 0 based on Foata normal form. 8/2332 useless extension candidates. Maximal degree in co-relation 0. Up to 278 conditions per place. [2021-04-29 04:13:19,165 INFO L146 LiptonReduction]: Number of co-enabled transitions 2422 [2021-04-29 04:13:19,228 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:19,229 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:19,229 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 742 [2021-04-29 04:13:19,229 INFO L480 AbstractCegarLoop]: Abstraction has has 563 places, 547 transitions, 25648 flow [2021-04-29 04:13:19,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:19,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:19,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:19,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-04-29 04:13:19,230 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:19,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:19,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1890729696, now seen corresponding path program 143 times [2021-04-29 04:13:19,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:19,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114904512] [2021-04-29 04:13:19,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:19,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:19,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:19,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:19,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:19,247 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:19,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:19,257 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:19,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:19,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:13:19,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:13:19,297 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:19,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:19,327 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:19,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:19,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114904512] [2021-04-29 04:13:19,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:19,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:19,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893200715] [2021-04-29 04:13:19,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:19,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:19,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:19,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:19,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:19,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 547 transitions, 25648 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:19,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:19,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:19,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:20,692 INFO L129 PetriNetUnfolder]: 48/2469 cut-off events. [2021-04-29 04:13:20,692 INFO L130 PetriNetUnfolder]: For 115519/116601 co-relation queries the response was YES. [2021-04-29 04:13:20,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21815 conditions, 2469 events. 48/2469 cut-off events. For 115519/116601 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 36368 event pairs, 20 based on Foata normal form. 38/2456 useless extension candidates. Maximal degree in co-relation 21683. Up to 607 conditions per place. [2021-04-29 04:13:20,714 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 392 selfloop transitions, 182 changer transitions 2/588 dead transitions. [2021-04-29 04:13:20,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 588 transitions, 27852 flow [2021-04-29 04:13:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:20,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:20,715 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:20,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:20,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:20,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:20,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:20,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:20,716 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:20,716 INFO L185 Difference]: Start difference. First operand has 563 places, 547 transitions, 25648 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:20,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 588 transitions, 27852 flow [2021-04-29 04:13:21,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 588 transitions, 27525 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-04-29 04:13:21,954 INFO L241 Difference]: Finished difference. Result has 567 places, 545 transitions, 25572 flow [2021-04-29 04:13:21,954 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25329, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25572, PETRI_PLACES=567, PETRI_TRANSITIONS=545} [2021-04-29 04:13:21,955 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 523 predicate places. [2021-04-29 04:13:21,955 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:21,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 567 places, 545 transitions, 25572 flow [2021-04-29 04:13:21,955 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 567 places, 545 transitions, 25572 flow [2021-04-29 04:13:21,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 545 transitions, 25572 flow [2021-04-29 04:13:22,520 INFO L129 PetriNetUnfolder]: 0/2373 cut-off events. [2021-04-29 04:13:22,521 INFO L130 PetriNetUnfolder]: For 111085/111278 co-relation queries the response was YES. [2021-04-29 04:13:22,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19899 conditions, 2373 events. 0/2373 cut-off events. For 111085/111278 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 35685 event pairs, 0 based on Foata normal form. 8/2328 useless extension candidates. Maximal degree in co-relation 0. Up to 277 conditions per place. [2021-04-29 04:13:22,546 INFO L146 LiptonReduction]: Number of co-enabled transitions 2414 [2021-04-29 04:13:22,614 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:22,614 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:22,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 659 [2021-04-29 04:13:22,615 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 545 transitions, 25572 flow [2021-04-29 04:13:22,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:22,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:22,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:22,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-04-29 04:13:22,615 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:22,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:22,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1076445358, now seen corresponding path program 144 times [2021-04-29 04:13:22,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:22,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663296619] [2021-04-29 04:13:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:22,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:22,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:22,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:22,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:22,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:22,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:22,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:22,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:22,659 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:22,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:22,682 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:22,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:22,714 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:22,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:22,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663296619] [2021-04-29 04:13:22,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:22,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:22,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298667402] [2021-04-29 04:13:22,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:22,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:22,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:22,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:22,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:22,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 545 transitions, 25572 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:22,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:22,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:22,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:24,038 INFO L129 PetriNetUnfolder]: 48/2462 cut-off events. [2021-04-29 04:13:24,038 INFO L130 PetriNetUnfolder]: For 115000/116079 co-relation queries the response was YES. [2021-04-29 04:13:24,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21786 conditions, 2462 events. 48/2462 cut-off events. For 115000/116079 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 36362 event pairs, 11 based on Foata normal form. 38/2449 useless extension candidates. Maximal degree in co-relation 21654. Up to 607 conditions per place. [2021-04-29 04:13:24,062 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 400 selfloop transitions, 172 changer transitions 2/586 dead transitions. [2021-04-29 04:13:24,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 586 transitions, 27772 flow [2021-04-29 04:13:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:24,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:24,063 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:24,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:24,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:24,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:24,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:24,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:24,064 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:24,064 INFO L185 Difference]: Start difference. First operand has 565 places, 545 transitions, 25572 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:24,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 586 transitions, 27772 flow [2021-04-29 04:13:25,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 586 transitions, 27410 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:25,276 INFO L241 Difference]: Finished difference. Result has 570 places, 552 transitions, 25864 flow [2021-04-29 04:13:25,276 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25218, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25864, PETRI_PLACES=570, PETRI_TRANSITIONS=552} [2021-04-29 04:13:25,276 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 526 predicate places. [2021-04-29 04:13:25,276 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:25,277 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 570 places, 552 transitions, 25864 flow [2021-04-29 04:13:25,277 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 570 places, 552 transitions, 25864 flow [2021-04-29 04:13:25,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 568 places, 552 transitions, 25864 flow [2021-04-29 04:13:26,092 INFO L129 PetriNetUnfolder]: 0/2366 cut-off events. [2021-04-29 04:13:26,092 INFO L130 PetriNetUnfolder]: For 112558/112742 co-relation queries the response was YES. [2021-04-29 04:13:26,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19909 conditions, 2366 events. 0/2366 cut-off events. For 112558/112742 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 35610 event pairs, 0 based on Foata normal form. 10/2317 useless extension candidates. Maximal degree in co-relation 0. Up to 276 conditions per place. [2021-04-29 04:13:26,118 INFO L146 LiptonReduction]: Number of co-enabled transitions 2426 [2021-04-29 04:13:26,187 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:26,187 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:26,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 911 [2021-04-29 04:13:26,188 INFO L480 AbstractCegarLoop]: Abstraction has has 568 places, 552 transitions, 25864 flow [2021-04-29 04:13:26,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:26,188 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:26,188 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:26,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-04-29 04:13:26,188 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:26,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:26,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1725549066, now seen corresponding path program 145 times [2021-04-29 04:13:26,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:26,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55294772] [2021-04-29 04:13:26,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:26,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:26,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:26,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:26,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:26,200 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:26,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:26,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:26,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:26,228 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:26,252 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:26,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:26,283 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:26,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:26,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55294772] [2021-04-29 04:13:26,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:26,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:26,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698209263] [2021-04-29 04:13:26,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:26,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:26,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:26,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:26,315 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:26,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 552 transitions, 25864 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:26,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:26,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:26,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:27,618 INFO L129 PetriNetUnfolder]: 48/2455 cut-off events. [2021-04-29 04:13:27,618 INFO L130 PetriNetUnfolder]: For 116456/117555 co-relation queries the response was YES. [2021-04-29 04:13:27,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21793 conditions, 2455 events. 48/2455 cut-off events. For 116456/117555 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 36236 event pairs, 11 based on Foata normal form. 37/2438 useless extension candidates. Maximal degree in co-relation 21659. Up to 607 conditions per place. [2021-04-29 04:13:27,640 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 399 selfloop transitions, 170 changer transitions 3/584 dead transitions. [2021-04-29 04:13:27,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 584 transitions, 27726 flow [2021-04-29 04:13:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:27,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:27,641 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:27,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:27,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:27,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:27,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:27,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:27,642 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:27,642 INFO L185 Difference]: Start difference. First operand has 568 places, 552 transitions, 25864 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:27,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 584 transitions, 27726 flow [2021-04-29 04:13:28,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 584 transitions, 27443 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-04-29 04:13:28,856 INFO L241 Difference]: Finished difference. Result has 573 places, 549 transitions, 25778 flow [2021-04-29 04:13:28,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25589, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25778, PETRI_PLACES=573, PETRI_TRANSITIONS=549} [2021-04-29 04:13:28,857 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 529 predicate places. [2021-04-29 04:13:28,857 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:28,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 573 places, 549 transitions, 25778 flow [2021-04-29 04:13:28,857 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 573 places, 549 transitions, 25778 flow [2021-04-29 04:13:28,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 571 places, 549 transitions, 25778 flow [2021-04-29 04:13:29,445 INFO L129 PetriNetUnfolder]: 0/2358 cut-off events. [2021-04-29 04:13:29,445 INFO L130 PetriNetUnfolder]: For 111967/112148 co-relation queries the response was YES. [2021-04-29 04:13:29,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19882 conditions, 2358 events. 0/2358 cut-off events. For 111967/112148 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 35423 event pairs, 0 based on Foata normal form. 9/2314 useless extension candidates. Maximal degree in co-relation 0. Up to 275 conditions per place. [2021-04-29 04:13:29,471 INFO L146 LiptonReduction]: Number of co-enabled transitions 2414 [2021-04-29 04:13:29,541 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:29,541 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:29,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 684 [2021-04-29 04:13:29,541 INFO L480 AbstractCegarLoop]: Abstraction has has 571 places, 549 transitions, 25778 flow [2021-04-29 04:13:29,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:29,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:29,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:29,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-04-29 04:13:29,542 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:29,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:29,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1612634594, now seen corresponding path program 146 times [2021-04-29 04:13:29,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:29,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815050896] [2021-04-29 04:13:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:29,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:29,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:29,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:29,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:29,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:29,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:29,577 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:29,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:29,603 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:29,639 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:29,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:29,673 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:29,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:29,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815050896] [2021-04-29 04:13:29,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:29,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:29,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112306557] [2021-04-29 04:13:29,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:29,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:29,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:29,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:29,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:29,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 549 transitions, 25778 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:29,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:29,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:29,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:31,040 INFO L129 PetriNetUnfolder]: 45/2481 cut-off events. [2021-04-29 04:13:31,040 INFO L130 PetriNetUnfolder]: For 116663/117812 co-relation queries the response was YES. [2021-04-29 04:13:31,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21937 conditions, 2481 events. 45/2481 cut-off events. For 116663/117812 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 36658 event pairs, 23 based on Foata normal form. 36/2458 useless extension candidates. Maximal degree in co-relation 21803. Up to 489 conditions per place. [2021-04-29 04:13:31,061 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 320 selfloop transitions, 262 changer transitions 3/597 dead transitions. [2021-04-29 04:13:31,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 597 transitions, 28488 flow [2021-04-29 04:13:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:31,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:31,063 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:31,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:31,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:31,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:31,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:31,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:31,064 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:31,064 INFO L185 Difference]: Start difference. First operand has 571 places, 549 transitions, 25778 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:31,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 597 transitions, 28488 flow [2021-04-29 04:13:32,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 597 transitions, 28057 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:13:32,300 INFO L241 Difference]: Finished difference. Result has 577 places, 565 transitions, 26760 flow [2021-04-29 04:13:32,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25415, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=246, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=26760, PETRI_PLACES=577, PETRI_TRANSITIONS=565} [2021-04-29 04:13:32,301 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 533 predicate places. [2021-04-29 04:13:32,301 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:32,301 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 577 places, 565 transitions, 26760 flow [2021-04-29 04:13:32,302 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 577 places, 565 transitions, 26760 flow [2021-04-29 04:13:32,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 576 places, 565 transitions, 26760 flow [2021-04-29 04:13:33,009 INFO L129 PetriNetUnfolder]: 0/2388 cut-off events. [2021-04-29 04:13:33,009 INFO L130 PetriNetUnfolder]: For 117433/117615 co-relation queries the response was YES. [2021-04-29 04:13:33,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20177 conditions, 2388 events. 0/2388 cut-off events. For 117433/117615 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 36038 event pairs, 0 based on Foata normal form. 5/2333 useless extension candidates. Maximal degree in co-relation 0. Up to 278 conditions per place. [2021-04-29 04:13:33,035 INFO L146 LiptonReduction]: Number of co-enabled transitions 2492 [2021-04-29 04:13:33,108 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:33,108 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:33,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 807 [2021-04-29 04:13:33,109 INFO L480 AbstractCegarLoop]: Abstraction has has 576 places, 565 transitions, 26760 flow [2021-04-29 04:13:33,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:33,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:33,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:33,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-04-29 04:13:33,109 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:33,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:33,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1416545170, now seen corresponding path program 147 times [2021-04-29 04:13:33,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:33,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225292082] [2021-04-29 04:13:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:33,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:33,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:33,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:33,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:33,126 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:33,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:13:33,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:13:33,176 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:13:33,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:13:33,210 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:33,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:33,244 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:33,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:33,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225292082] [2021-04-29 04:13:33,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:33,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:33,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976711770] [2021-04-29 04:13:33,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:33,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:33,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:33,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:33,277 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:33,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 565 transitions, 26760 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:33,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:33,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:33,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:34,839 INFO L129 PetriNetUnfolder]: 40/2866 cut-off events. [2021-04-29 04:13:34,839 INFO L130 PetriNetUnfolder]: For 135769/136691 co-relation queries the response was YES. [2021-04-29 04:13:34,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24916 conditions, 2866 events. 40/2866 cut-off events. For 135769/136691 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 43825 event pairs, 12 based on Foata normal form. 26/2831 useless extension candidates. Maximal degree in co-relation 24778. Up to 696 conditions per place. [2021-04-29 04:13:34,865 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 422 selfloop transitions, 243 changer transitions 2/679 dead transitions. [2021-04-29 04:13:34,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 679 transitions, 32175 flow [2021-04-29 04:13:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:34,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:34,867 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:34,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:34,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:34,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:34,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:34,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:34,868 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:34,868 INFO L185 Difference]: Start difference. First operand has 576 places, 565 transitions, 26760 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:34,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 679 transitions, 32175 flow [2021-04-29 04:13:36,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 579 places, 679 transitions, 31961 flow, removed 49 selfloop flow, removed 4 redundant places. [2021-04-29 04:13:36,407 INFO L241 Difference]: Finished difference. Result has 585 places, 602 transitions, 28944 flow [2021-04-29 04:13:36,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=26582, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28944, PETRI_PLACES=585, PETRI_TRANSITIONS=602} [2021-04-29 04:13:36,407 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 541 predicate places. [2021-04-29 04:13:36,407 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:36,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 602 transitions, 28944 flow [2021-04-29 04:13:36,408 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 602 transitions, 28944 flow [2021-04-29 04:13:36,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 584 places, 602 transitions, 28944 flow [2021-04-29 04:13:37,153 INFO L129 PetriNetUnfolder]: 0/2784 cut-off events. [2021-04-29 04:13:37,153 INFO L130 PetriNetUnfolder]: For 139393/139617 co-relation queries the response was YES. [2021-04-29 04:13:37,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23416 conditions, 2784 events. 0/2784 cut-off events. For 139393/139617 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 43201 event pairs, 0 based on Foata normal form. 7/2725 useless extension candidates. Maximal degree in co-relation 0. Up to 322 conditions per place. [2021-04-29 04:13:37,187 INFO L146 LiptonReduction]: Number of co-enabled transitions 2676 [2021-04-29 04:13:37,272 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:37,272 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:37,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 865 [2021-04-29 04:13:37,272 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 602 transitions, 28944 flow [2021-04-29 04:13:37,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:37,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:37,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:37,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-04-29 04:13:37,273 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:37,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:37,273 INFO L82 PathProgramCache]: Analyzing trace with hash -42103814, now seen corresponding path program 148 times [2021-04-29 04:13:37,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:37,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055719236] [2021-04-29 04:13:37,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:37,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:37,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:37,298 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:37,316 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:13:37,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:13:37,358 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:37,389 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:37,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:37,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055719236] [2021-04-29 04:13:37,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:37,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:37,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552778657] [2021-04-29 04:13:37,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:37,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:37,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:37,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:37,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 602 transitions, 28944 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:37,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:37,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:37,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:39,081 INFO L129 PetriNetUnfolder]: 40/2857 cut-off events. [2021-04-29 04:13:39,081 INFO L130 PetriNetUnfolder]: For 144860/147002 co-relation queries the response was YES. [2021-04-29 04:13:39,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25386 conditions, 2857 events. 40/2857 cut-off events. For 144860/147002 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 43663 event pairs, 15 based on Foata normal form. 56/2845 useless extension candidates. Maximal degree in co-relation 25245. Up to 634 conditions per place. [2021-04-29 04:13:39,108 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 425 selfloop transitions, 188 changer transitions 2/627 dead transitions. [2021-04-29 04:13:39,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 627 transitions, 30752 flow [2021-04-29 04:13:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:39,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:39,110 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:39,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:39,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:39,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:39,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:39,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:39,111 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:39,111 INFO L185 Difference]: Start difference. First operand has 584 places, 602 transitions, 28944 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:39,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 627 transitions, 30752 flow [2021-04-29 04:13:40,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 627 transitions, 30565 flow, removed 34 selfloop flow, removed 3 redundant places. [2021-04-29 04:13:40,785 INFO L241 Difference]: Finished difference. Result has 589 places, 600 transitions, 29019 flow [2021-04-29 04:13:40,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28765, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29019, PETRI_PLACES=589, PETRI_TRANSITIONS=600} [2021-04-29 04:13:40,786 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 545 predicate places. [2021-04-29 04:13:40,786 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:40,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 589 places, 600 transitions, 29019 flow [2021-04-29 04:13:40,786 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 589 places, 600 transitions, 29019 flow [2021-04-29 04:13:40,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 587 places, 600 transitions, 29019 flow [2021-04-29 04:13:41,507 INFO L129 PetriNetUnfolder]: 0/2777 cut-off events. [2021-04-29 04:13:41,507 INFO L130 PetriNetUnfolder]: For 140698/140956 co-relation queries the response was YES. [2021-04-29 04:13:41,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23621 conditions, 2777 events. 0/2777 cut-off events. For 140698/140956 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 43072 event pairs, 0 based on Foata normal form. 13/2726 useless extension candidates. Maximal degree in co-relation 0. Up to 321 conditions per place. [2021-04-29 04:13:41,539 INFO L146 LiptonReduction]: Number of co-enabled transitions 2668 [2021-04-29 04:13:41,622 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:41,622 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:41,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 836 [2021-04-29 04:13:41,622 INFO L480 AbstractCegarLoop]: Abstraction has has 587 places, 600 transitions, 29019 flow [2021-04-29 04:13:41,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:41,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:41,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:41,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-04-29 04:13:41,623 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:41,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:41,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1734658520, now seen corresponding path program 149 times [2021-04-29 04:13:41,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:41,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059111642] [2021-04-29 04:13:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:41,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:41,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:41,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:41,644 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:41,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:41,661 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:41,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:41,686 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:41,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:41,717 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:41,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:41,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059111642] [2021-04-29 04:13:41,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:41,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:41,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688283313] [2021-04-29 04:13:41,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:41,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:41,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:41,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:41,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:41,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 600 transitions, 29019 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:41,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:41,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:41,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:43,423 INFO L129 PetriNetUnfolder]: 40/2850 cut-off events. [2021-04-29 04:13:43,423 INFO L130 PetriNetUnfolder]: For 145401/147577 co-relation queries the response was YES. [2021-04-29 04:13:43,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25601 conditions, 2850 events. 40/2850 cut-off events. For 145401/147577 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 43549 event pairs, 15 based on Foata normal form. 56/2838 useless extension candidates. Maximal degree in co-relation 25461. Up to 634 conditions per place. [2021-04-29 04:13:43,451 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 428 selfloop transitions, 183 changer transitions 2/625 dead transitions. [2021-04-29 04:13:43,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 625 transitions, 30823 flow [2021-04-29 04:13:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:43,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:43,453 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:43,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:43,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:43,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:43,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:43,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:43,454 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:43,454 INFO L185 Difference]: Start difference. First operand has 587 places, 600 transitions, 29019 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:43,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 625 transitions, 30823 flow [2021-04-29 04:13:45,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 625 transitions, 30502 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:13:45,129 INFO L241 Difference]: Finished difference. Result has 591 places, 598 transitions, 28936 flow [2021-04-29 04:13:45,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28706, PETRI_DIFFERENCE_MINUEND_PLACES=583, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28936, PETRI_PLACES=591, PETRI_TRANSITIONS=598} [2021-04-29 04:13:45,130 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 547 predicate places. [2021-04-29 04:13:45,130 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:45,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 591 places, 598 transitions, 28936 flow [2021-04-29 04:13:45,130 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 591 places, 598 transitions, 28936 flow [2021-04-29 04:13:45,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 589 places, 598 transitions, 28936 flow [2021-04-29 04:13:45,857 INFO L129 PetriNetUnfolder]: 0/2771 cut-off events. [2021-04-29 04:13:45,858 INFO L130 PetriNetUnfolder]: For 139660/139892 co-relation queries the response was YES. [2021-04-29 04:13:45,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23612 conditions, 2771 events. 0/2771 cut-off events. For 139660/139892 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 42999 event pairs, 0 based on Foata normal form. 8/2713 useless extension candidates. Maximal degree in co-relation 0. Up to 320 conditions per place. [2021-04-29 04:13:45,891 INFO L146 LiptonReduction]: Number of co-enabled transitions 2656 [2021-04-29 04:13:45,974 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:45,975 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:45,975 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 845 [2021-04-29 04:13:45,975 INFO L480 AbstractCegarLoop]: Abstraction has has 589 places, 598 transitions, 28936 flow [2021-04-29 04:13:45,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:45,975 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:45,975 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:45,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-04-29 04:13:45,976 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:45,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:45,976 INFO L82 PathProgramCache]: Analyzing trace with hash -805186744, now seen corresponding path program 150 times [2021-04-29 04:13:45,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:45,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324831985] [2021-04-29 04:13:45,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:45,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:45,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:45,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:45,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:45,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:45,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:46,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:46,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:46,017 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:46,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:46,043 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:46,076 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:46,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324831985] [2021-04-29 04:13:46,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:46,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:46,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344497119] [2021-04-29 04:13:46,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:46,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:46,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:46,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:46,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:46,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 598 transitions, 28936 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:46,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:46,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:46,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:47,727 INFO L129 PetriNetUnfolder]: 40/2844 cut-off events. [2021-04-29 04:13:47,728 INFO L130 PetriNetUnfolder]: For 145078/147155 co-relation queries the response was YES. [2021-04-29 04:13:47,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25589 conditions, 2844 events. 40/2844 cut-off events. For 145078/147155 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 43395 event pairs, 22 based on Foata normal form. 56/2833 useless extension candidates. Maximal degree in co-relation 25449. Up to 634 conditions per place. [2021-04-29 04:13:47,754 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 181 changer transitions 3/623 dead transitions. [2021-04-29 04:13:47,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 623 transitions, 30736 flow [2021-04-29 04:13:47,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:47,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:47,756 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:47,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:47,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:47,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:47,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:47,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:47,757 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:47,757 INFO L185 Difference]: Start difference. First operand has 589 places, 598 transitions, 28936 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:47,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 623 transitions, 30736 flow [2021-04-29 04:13:49,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 592 places, 623 transitions, 30415 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:13:49,448 INFO L241 Difference]: Finished difference. Result has 593 places, 595 transitions, 28790 flow [2021-04-29 04:13:49,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28623, PETRI_DIFFERENCE_MINUEND_PLACES=585, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28790, PETRI_PLACES=593, PETRI_TRANSITIONS=595} [2021-04-29 04:13:49,449 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 549 predicate places. [2021-04-29 04:13:49,449 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:49,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 593 places, 595 transitions, 28790 flow [2021-04-29 04:13:49,449 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 593 places, 595 transitions, 28790 flow [2021-04-29 04:13:49,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 591 places, 595 transitions, 28790 flow [2021-04-29 04:13:50,172 INFO L129 PetriNetUnfolder]: 0/2763 cut-off events. [2021-04-29 04:13:50,172 INFO L130 PetriNetUnfolder]: For 139185/139456 co-relation queries the response was YES. [2021-04-29 04:13:50,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23567 conditions, 2763 events. 0/2763 cut-off events. For 139185/139456 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 42814 event pairs, 0 based on Foata normal form. 9/2708 useless extension candidates. Maximal degree in co-relation 0. Up to 319 conditions per place. [2021-04-29 04:13:50,204 INFO L146 LiptonReduction]: Number of co-enabled transitions 2632 [2021-04-29 04:13:50,286 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:50,286 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:50,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 837 [2021-04-29 04:13:50,286 INFO L480 AbstractCegarLoop]: Abstraction has has 591 places, 595 transitions, 28790 flow [2021-04-29 04:13:50,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:50,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:50,287 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:50,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-04-29 04:13:50,287 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:50,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:50,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1558658112, now seen corresponding path program 151 times [2021-04-29 04:13:50,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:50,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288159777] [2021-04-29 04:13:50,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:50,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:50,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:50,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:50,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:50,299 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:50,310 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:50,327 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:13:50,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:13:50,369 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:50,402 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:50,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:50,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288159777] [2021-04-29 04:13:50,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:50,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:50,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404430887] [2021-04-29 04:13:50,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:50,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:50,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:50,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:50,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:50,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 595 transitions, 28790 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:50,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:50,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:50,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:52,052 INFO L129 PetriNetUnfolder]: 40/2836 cut-off events. [2021-04-29 04:13:52,052 INFO L130 PetriNetUnfolder]: For 144364/146540 co-relation queries the response was YES. [2021-04-29 04:13:52,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25540 conditions, 2836 events. 40/2836 cut-off events. For 144364/146540 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 43284 event pairs, 15 based on Foata normal form. 56/2826 useless extension candidates. Maximal degree in co-relation 25400. Up to 634 conditions per place. [2021-04-29 04:13:52,079 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 422 selfloop transitions, 184 changer transitions 2/620 dead transitions. [2021-04-29 04:13:52,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 620 transitions, 30584 flow [2021-04-29 04:13:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:52,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:52,081 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:52,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:52,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:52,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:52,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:52,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:52,082 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:52,082 INFO L185 Difference]: Start difference. First operand has 591 places, 595 transitions, 28790 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:52,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 620 transitions, 30584 flow [2021-04-29 04:13:53,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 620 transitions, 30279 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:13:53,699 INFO L241 Difference]: Finished difference. Result has 595 places, 593 transitions, 28719 flow [2021-04-29 04:13:53,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28493, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28719, PETRI_PLACES=595, PETRI_TRANSITIONS=593} [2021-04-29 04:13:53,700 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 551 predicate places. [2021-04-29 04:13:53,700 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:53,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 595 places, 593 transitions, 28719 flow [2021-04-29 04:13:53,701 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 595 places, 593 transitions, 28719 flow [2021-04-29 04:13:53,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 593 places, 593 transitions, 28719 flow [2021-04-29 04:13:54,626 INFO L129 PetriNetUnfolder]: 0/2756 cut-off events. [2021-04-29 04:13:54,626 INFO L130 PetriNetUnfolder]: For 139311/139543 co-relation queries the response was YES. [2021-04-29 04:13:54,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23586 conditions, 2756 events. 0/2756 cut-off events. For 139311/139543 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 42693 event pairs, 0 based on Foata normal form. 7/2699 useless extension candidates. Maximal degree in co-relation 0. Up to 318 conditions per place. [2021-04-29 04:13:54,656 INFO L146 LiptonReduction]: Number of co-enabled transitions 2616 [2021-04-29 04:13:54,727 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:54,727 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:54,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1028 [2021-04-29 04:13:54,728 INFO L480 AbstractCegarLoop]: Abstraction has has 593 places, 593 transitions, 28719 flow [2021-04-29 04:13:54,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:54,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:54,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:54,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-04-29 04:13:54,728 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:54,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:54,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1533206484, now seen corresponding path program 152 times [2021-04-29 04:13:54,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:54,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930629292] [2021-04-29 04:13:54,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:54,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:54,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:54,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:54,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:54,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:54,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:54,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:54,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:54,772 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:54,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:54,791 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:54,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:54,822 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:54,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930629292] [2021-04-29 04:13:54,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:54,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:54,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16463864] [2021-04-29 04:13:54,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:54,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:54,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:54,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:54,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:54,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 593 transitions, 28719 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:54,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:54,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:54,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:56,437 INFO L129 PetriNetUnfolder]: 40/2829 cut-off events. [2021-04-29 04:13:56,437 INFO L130 PetriNetUnfolder]: For 144487/146645 co-relation queries the response was YES. [2021-04-29 04:13:56,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25556 conditions, 2829 events. 40/2829 cut-off events. For 144487/146645 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 43132 event pairs, 15 based on Foata normal form. 47/2810 useless extension candidates. Maximal degree in co-relation 25416. Up to 634 conditions per place. [2021-04-29 04:13:56,464 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 413 selfloop transitions, 191 changer transitions 2/618 dead transitions. [2021-04-29 04:13:56,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 618 transitions, 30509 flow [2021-04-29 04:13:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:13:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:13:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:13:56,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:13:56,465 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:13:56,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:13:56,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:56,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:13:56,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:56,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:56,466 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:56,466 INFO L185 Difference]: Start difference. First operand has 593 places, 593 transitions, 28719 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:13:56,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 600 places, 618 transitions, 30509 flow [2021-04-29 04:13:58,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 618 transitions, 30149 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:13:58,058 INFO L241 Difference]: Finished difference. Result has 597 places, 597 transitions, 28897 flow [2021-04-29 04:13:58,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28367, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28897, PETRI_PLACES=597, PETRI_TRANSITIONS=597} [2021-04-29 04:13:58,059 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 553 predicate places. [2021-04-29 04:13:58,059 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:58,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 597 places, 597 transitions, 28897 flow [2021-04-29 04:13:58,059 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 597 places, 597 transitions, 28897 flow [2021-04-29 04:13:58,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 595 places, 597 transitions, 28897 flow [2021-04-29 04:13:58,764 INFO L129 PetriNetUnfolder]: 0/2749 cut-off events. [2021-04-29 04:13:58,764 INFO L130 PetriNetUnfolder]: For 140714/140965 co-relation queries the response was YES. [2021-04-29 04:13:58,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23578 conditions, 2749 events. 0/2749 cut-off events. For 140714/140965 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 42552 event pairs, 0 based on Foata normal form. 10/2697 useless extension candidates. Maximal degree in co-relation 0. Up to 317 conditions per place. [2021-04-29 04:13:58,795 INFO L146 LiptonReduction]: Number of co-enabled transitions 2618 [2021-04-29 04:13:58,878 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:58,878 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:58,878 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 819 [2021-04-29 04:13:58,878 INFO L480 AbstractCegarLoop]: Abstraction has has 595 places, 597 transitions, 28897 flow [2021-04-29 04:13:58,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:58,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:58,879 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:13:58,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-04-29 04:13:58,879 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:58,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:58,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1263245202, now seen corresponding path program 153 times [2021-04-29 04:13:58,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:58,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657935606] [2021-04-29 04:13:58,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:58,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:58,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:58,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:58,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:58,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:58,913 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:13:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:13:58,937 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:13:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:13:58,970 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:13:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:13:58,999 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:13:59,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:13:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:59,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657935606] [2021-04-29 04:13:59,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:59,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:13:59,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491926982] [2021-04-29 04:13:59,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:13:59,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:59,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:13:59,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:13:59,029 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:13:59,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 597 transitions, 28897 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:13:59,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:59,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:13:59,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:00,804 INFO L129 PetriNetUnfolder]: 36/2919 cut-off events. [2021-04-29 04:14:00,804 INFO L130 PetriNetUnfolder]: For 150162/152834 co-relation queries the response was YES. [2021-04-29 04:14:00,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26193 conditions, 2919 events. 36/2919 cut-off events. For 150162/152834 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 44753 event pairs, 30 based on Foata normal form. 60/2907 useless extension candidates. Maximal degree in co-relation 26052. Up to 536 conditions per place. [2021-04-29 04:14:00,832 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 327 selfloop transitions, 299 changer transitions 2/640 dead transitions. [2021-04-29 04:14:00,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 640 transitions, 31643 flow [2021-04-29 04:14:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:00,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:00,833 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:00,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:00,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:00,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:00,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:00,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:00,834 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:00,834 INFO L185 Difference]: Start difference. First operand has 595 places, 597 transitions, 28897 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:00,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 640 transitions, 31643 flow [2021-04-29 04:14:02,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 640 transitions, 31306 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-04-29 04:14:02,522 INFO L241 Difference]: Finished difference. Result has 604 places, 612 transitions, 30041 flow [2021-04-29 04:14:02,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28612, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=284, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30041, PETRI_PLACES=604, PETRI_TRANSITIONS=612} [2021-04-29 04:14:02,522 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 560 predicate places. [2021-04-29 04:14:02,522 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:02,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 604 places, 612 transitions, 30041 flow [2021-04-29 04:14:02,523 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 604 places, 612 transitions, 30041 flow [2021-04-29 04:14:02,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 612 transitions, 30041 flow [2021-04-29 04:14:03,258 INFO L129 PetriNetUnfolder]: 0/2845 cut-off events. [2021-04-29 04:14:03,258 INFO L130 PetriNetUnfolder]: For 151264/151837 co-relation queries the response was YES. [2021-04-29 04:14:03,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24535 conditions, 2845 events. 0/2845 cut-off events. For 151264/151837 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 44284 event pairs, 0 based on Foata normal form. 9/2788 useless extension candidates. Maximal degree in co-relation 0. Up to 327 conditions per place. [2021-04-29 04:14:03,290 INFO L146 LiptonReduction]: Number of co-enabled transitions 2678 [2021-04-29 04:14:03,375 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:03,375 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:03,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 853 [2021-04-29 04:14:03,376 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 612 transitions, 30041 flow [2021-04-29 04:14:03,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:03,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:03,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:03,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-04-29 04:14:03,376 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:03,376 INFO L82 PathProgramCache]: Analyzing trace with hash -615590052, now seen corresponding path program 154 times [2021-04-29 04:14:03,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:03,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879074302] [2021-04-29 04:14:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:03,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:03,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:03,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:03,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:03,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:03,416 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:03,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:03,440 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:03,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:03,473 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:03,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:03,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879074302] [2021-04-29 04:14:03,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:03,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:03,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590484140] [2021-04-29 04:14:03,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:03,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:03,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:03,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:03,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:03,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 612 transitions, 30041 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:03,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:03,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:03,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:05,204 INFO L129 PetriNetUnfolder]: 36/2910 cut-off events. [2021-04-29 04:14:05,204 INFO L130 PetriNetUnfolder]: For 156327/159000 co-relation queries the response was YES. [2021-04-29 04:14:05,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26467 conditions, 2910 events. 36/2910 cut-off events. For 156327/159000 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 44658 event pairs, 16 based on Foata normal form. 68/2911 useless extension candidates. Maximal degree in co-relation 26322. Up to 639 conditions per place. [2021-04-29 04:14:05,233 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 416 selfloop transitions, 202 changer transitions 1/631 dead transitions. [2021-04-29 04:14:05,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 631 transitions, 31659 flow [2021-04-29 04:14:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:05,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:05,234 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:05,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:05,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:05,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:05,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:05,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:05,235 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:05,235 INFO L185 Difference]: Start difference. First operand has 603 places, 612 transitions, 30041 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:05,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 631 transitions, 31659 flow [2021-04-29 04:14:06,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 631 transitions, 31274 flow, removed 28 selfloop flow, removed 4 redundant places. [2021-04-29 04:14:07,001 INFO L241 Difference]: Finished difference. Result has 607 places, 611 transitions, 29988 flow [2021-04-29 04:14:07,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29670, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29988, PETRI_PLACES=607, PETRI_TRANSITIONS=611} [2021-04-29 04:14:07,002 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 563 predicate places. [2021-04-29 04:14:07,002 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:07,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 611 transitions, 29988 flow [2021-04-29 04:14:07,002 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 611 transitions, 29988 flow [2021-04-29 04:14:07,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 605 places, 611 transitions, 29988 flow [2021-04-29 04:14:07,786 INFO L129 PetriNetUnfolder]: 0/2840 cut-off events. [2021-04-29 04:14:07,786 INFO L130 PetriNetUnfolder]: For 148965/149204 co-relation queries the response was YES. [2021-04-29 04:14:07,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24652 conditions, 2840 events. 0/2840 cut-off events. For 148965/149204 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 44238 event pairs, 0 based on Foata normal form. 12/2796 useless extension candidates. Maximal degree in co-relation 0. Up to 326 conditions per place. [2021-04-29 04:14:07,819 INFO L146 LiptonReduction]: Number of co-enabled transitions 2672 [2021-04-29 04:14:07,904 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:07,904 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:07,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 902 [2021-04-29 04:14:07,904 INFO L480 AbstractCegarLoop]: Abstraction has has 605 places, 611 transitions, 29988 flow [2021-04-29 04:14:07,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:07,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:07,905 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:07,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-04-29 04:14:07,905 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:07,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:07,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1360292550, now seen corresponding path program 155 times [2021-04-29 04:14:07,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:07,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619803703] [2021-04-29 04:14:07,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:07,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:07,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:07,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:07,920 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:07,931 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:07,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:07,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:07,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:07,973 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:08,005 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:08,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:08,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619803703] [2021-04-29 04:14:08,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:08,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:08,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879785946] [2021-04-29 04:14:08,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:08,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:08,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:08,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:08,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:08,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 611 transitions, 29988 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:08,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:08,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:08,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:09,778 INFO L129 PetriNetUnfolder]: 36/2905 cut-off events. [2021-04-29 04:14:09,778 INFO L130 PetriNetUnfolder]: For 154816/157394 co-relation queries the response was YES. [2021-04-29 04:14:09,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26582 conditions, 2905 events. 36/2905 cut-off events. For 154816/157394 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 44517 event pairs, 23 based on Foata normal form. 68/2906 useless extension candidates. Maximal degree in co-relation 26438. Up to 639 conditions per place. [2021-04-29 04:14:09,808 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 416 selfloop transitions, 199 changer transitions 3/630 dead transitions. [2021-04-29 04:14:09,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 630 transitions, 31598 flow [2021-04-29 04:14:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:09,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:09,810 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:09,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:09,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:09,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:09,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:09,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:09,811 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:09,811 INFO L185 Difference]: Start difference. First operand has 605 places, 611 transitions, 29988 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:09,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 630 transitions, 31598 flow [2021-04-29 04:14:11,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 630 transitions, 31245 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-04-29 04:14:11,623 INFO L241 Difference]: Finished difference. Result has 609 places, 608 transitions, 29841 flow [2021-04-29 04:14:11,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29645, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29841, PETRI_PLACES=609, PETRI_TRANSITIONS=608} [2021-04-29 04:14:11,623 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 565 predicate places. [2021-04-29 04:14:11,624 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:11,624 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 609 places, 608 transitions, 29841 flow [2021-04-29 04:14:11,624 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 609 places, 608 transitions, 29841 flow [2021-04-29 04:14:11,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 608 transitions, 29841 flow [2021-04-29 04:14:12,388 INFO L129 PetriNetUnfolder]: 0/2831 cut-off events. [2021-04-29 04:14:12,388 INFO L130 PetriNetUnfolder]: For 147987/148229 co-relation queries the response was YES. [2021-04-29 04:14:12,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24562 conditions, 2831 events. 0/2831 cut-off events. For 147987/148229 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 44029 event pairs, 0 based on Foata normal form. 13/2785 useless extension candidates. Maximal degree in co-relation 0. Up to 325 conditions per place. [2021-04-29 04:14:12,421 INFO L146 LiptonReduction]: Number of co-enabled transitions 2654 [2021-04-29 04:14:12,506 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:12,507 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:12,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 883 [2021-04-29 04:14:12,507 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 608 transitions, 29841 flow [2021-04-29 04:14:12,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:12,507 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:12,508 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:12,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-04-29 04:14:12,508 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:12,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:12,508 INFO L82 PathProgramCache]: Analyzing trace with hash -527653318, now seen corresponding path program 156 times [2021-04-29 04:14:12,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:12,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366586414] [2021-04-29 04:14:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:12,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:12,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:12,526 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:12,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:12,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:12,552 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:12,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:12,571 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:12,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:12,598 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:12,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366586414] [2021-04-29 04:14:12,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:12,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:12,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846238335] [2021-04-29 04:14:12,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:12,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:12,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:12,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:12,625 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:12,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 608 transitions, 29841 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:12,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:12,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:12,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:14,358 INFO L129 PetriNetUnfolder]: 36/2896 cut-off events. [2021-04-29 04:14:14,358 INFO L130 PetriNetUnfolder]: For 153658/156339 co-relation queries the response was YES. [2021-04-29 04:14:14,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26487 conditions, 2896 events. 36/2896 cut-off events. For 153658/156339 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 44406 event pairs, 16 based on Foata normal form. 68/2898 useless extension candidates. Maximal degree in co-relation 26343. Up to 639 conditions per place. [2021-04-29 04:14:14,386 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 412 selfloop transitions, 201 changer transitions 2/627 dead transitions. [2021-04-29 04:14:14,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 627 transitions, 31443 flow [2021-04-29 04:14:14,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:14,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:14,388 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:14,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:14,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:14,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:14,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:14,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:14,389 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:14,389 INFO L185 Difference]: Start difference. First operand has 607 places, 608 transitions, 29841 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:14,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 627 transitions, 31443 flow [2021-04-29 04:14:16,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 627 transitions, 31024 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-04-29 04:14:16,090 INFO L241 Difference]: Finished difference. Result has 609 places, 606 transitions, 29699 flow [2021-04-29 04:14:16,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29430, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29699, PETRI_PLACES=609, PETRI_TRANSITIONS=606} [2021-04-29 04:14:16,091 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 565 predicate places. [2021-04-29 04:14:16,091 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:16,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 609 places, 606 transitions, 29699 flow [2021-04-29 04:14:16,091 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 609 places, 606 transitions, 29699 flow [2021-04-29 04:14:16,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 606 transitions, 29699 flow [2021-04-29 04:14:16,866 INFO L129 PetriNetUnfolder]: 0/2824 cut-off events. [2021-04-29 04:14:16,867 INFO L130 PetriNetUnfolder]: For 147787/148152 co-relation queries the response was YES. [2021-04-29 04:14:16,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24485 conditions, 2824 events. 0/2824 cut-off events. For 147787/148152 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 43835 event pairs, 0 based on Foata normal form. 11/2772 useless extension candidates. Maximal degree in co-relation 0. Up to 324 conditions per place. [2021-04-29 04:14:16,899 INFO L146 LiptonReduction]: Number of co-enabled transitions 2646 [2021-04-29 04:14:16,983 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:16,983 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:16,983 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 892 [2021-04-29 04:14:16,983 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 606 transitions, 29699 flow [2021-04-29 04:14:16,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:16,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:16,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:16,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-04-29 04:14:16,984 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:16,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:16,984 INFO L82 PathProgramCache]: Analyzing trace with hash 75685186, now seen corresponding path program 157 times [2021-04-29 04:14:16,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:16,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989094704] [2021-04-29 04:14:16,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:17,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:17,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:17,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:17,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:17,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:17,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:17,038 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:17,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:14:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:14:17,078 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:17,110 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:17,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989094704] [2021-04-29 04:14:17,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:17,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:17,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843931011] [2021-04-29 04:14:17,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:17,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:17,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:17,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:17,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:17,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 606 transitions, 29699 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:17,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:17,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:17,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:18,735 INFO L129 PetriNetUnfolder]: 36/2889 cut-off events. [2021-04-29 04:14:18,735 INFO L130 PetriNetUnfolder]: For 152703/155374 co-relation queries the response was YES. [2021-04-29 04:14:18,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26407 conditions, 2889 events. 36/2889 cut-off events. For 152703/155374 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 44255 event pairs, 16 based on Foata normal form. 59/2882 useless extension candidates. Maximal degree in co-relation 26264. Up to 639 conditions per place. [2021-04-29 04:14:18,762 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 408 selfloop transitions, 203 changer transitions 2/625 dead transitions. [2021-04-29 04:14:18,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 625 transitions, 31297 flow [2021-04-29 04:14:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:18,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:18,763 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:18,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:18,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:18,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:18,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:18,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:18,765 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:18,765 INFO L185 Difference]: Start difference. First operand has 607 places, 606 transitions, 29699 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:18,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 625 transitions, 31297 flow [2021-04-29 04:14:20,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 625 transitions, 30860 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:14:20,488 INFO L241 Difference]: Finished difference. Result has 609 places, 604 transitions, 29534 flow [2021-04-29 04:14:20,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29270, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29534, PETRI_PLACES=609, PETRI_TRANSITIONS=604} [2021-04-29 04:14:20,488 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 565 predicate places. [2021-04-29 04:14:20,488 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:20,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 609 places, 604 transitions, 29534 flow [2021-04-29 04:14:20,489 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 609 places, 604 transitions, 29534 flow [2021-04-29 04:14:20,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 604 transitions, 29534 flow [2021-04-29 04:14:21,242 INFO L129 PetriNetUnfolder]: 0/2817 cut-off events. [2021-04-29 04:14:21,242 INFO L130 PetriNetUnfolder]: For 146520/146756 co-relation queries the response was YES. [2021-04-29 04:14:21,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24371 conditions, 2817 events. 0/2817 cut-off events. For 146520/146756 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 43789 event pairs, 0 based on Foata normal form. 13/2772 useless extension candidates. Maximal degree in co-relation 0. Up to 323 conditions per place. [2021-04-29 04:14:21,278 INFO L146 LiptonReduction]: Number of co-enabled transitions 2634 [2021-04-29 04:14:21,362 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:21,362 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:21,363 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 875 [2021-04-29 04:14:21,363 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 604 transitions, 29534 flow [2021-04-29 04:14:21,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:21,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:21,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:21,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-04-29 04:14:21,363 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:21,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:21,364 INFO L82 PathProgramCache]: Analyzing trace with hash -59579626, now seen corresponding path program 158 times [2021-04-29 04:14:21,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:21,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181545633] [2021-04-29 04:14:21,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:21,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:21,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:21,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:21,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:21,378 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:21,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:21,397 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:21,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:21,415 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:14:21,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:14:21,441 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:14:21,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:14:21,475 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:21,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:21,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181545633] [2021-04-29 04:14:21,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:21,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:21,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658953879] [2021-04-29 04:14:21,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:21,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:21,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:21,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:21,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:21,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 604 transitions, 29534 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:21,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:21,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:21,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:23,241 INFO L129 PetriNetUnfolder]: 36/2882 cut-off events. [2021-04-29 04:14:23,241 INFO L130 PetriNetUnfolder]: For 152107/154790 co-relation queries the response was YES. [2021-04-29 04:14:23,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26290 conditions, 2882 events. 36/2882 cut-off events. For 152107/154790 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 44122 event pairs, 28 based on Foata normal form. 81/2893 useless extension candidates. Maximal degree in co-relation 26147. Up to 506 conditions per place. [2021-04-29 04:14:23,269 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 394 selfloop transitions, 255 changer transitions 1/662 dead transitions. [2021-04-29 04:14:23,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 662 transitions, 33117 flow [2021-04-29 04:14:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:23,270 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:23,270 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:23,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:23,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:23,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:23,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:23,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:23,271 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:23,271 INFO L185 Difference]: Start difference. First operand has 607 places, 604 transitions, 29534 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:23,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 662 transitions, 33117 flow [2021-04-29 04:14:24,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 662 transitions, 32716 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:14:24,995 INFO L241 Difference]: Finished difference. Result has 615 places, 640 transitions, 31787 flow [2021-04-29 04:14:24,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29193, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31787, PETRI_PLACES=615, PETRI_TRANSITIONS=640} [2021-04-29 04:14:24,996 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 571 predicate places. [2021-04-29 04:14:24,996 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:24,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 640 transitions, 31787 flow [2021-04-29 04:14:24,996 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 640 transitions, 31787 flow [2021-04-29 04:14:25,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 614 places, 640 transitions, 31787 flow [2021-04-29 04:14:25,772 INFO L129 PetriNetUnfolder]: 0/2814 cut-off events. [2021-04-29 04:14:25,773 INFO L130 PetriNetUnfolder]: For 154682/154943 co-relation queries the response was YES. [2021-04-29 04:14:25,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24686 conditions, 2814 events. 0/2814 cut-off events. For 154682/154943 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 43716 event pairs, 0 based on Foata normal form. 16/2767 useless extension candidates. Maximal degree in co-relation 0. Up to 322 conditions per place. [2021-04-29 04:14:25,805 INFO L146 LiptonReduction]: Number of co-enabled transitions 2754 [2021-04-29 04:14:25,897 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:25,897 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:25,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-04-29 04:14:25,898 INFO L480 AbstractCegarLoop]: Abstraction has has 614 places, 640 transitions, 31787 flow [2021-04-29 04:14:25,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:25,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:25,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:25,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-04-29 04:14:25,898 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:25,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:25,898 INFO L82 PathProgramCache]: Analyzing trace with hash -2138594276, now seen corresponding path program 159 times [2021-04-29 04:14:25,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:25,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136095696] [2021-04-29 04:14:25,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:25,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:25,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:25,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:25,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:25,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:25,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:25,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:25,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:25,942 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:14:25,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:14:25,960 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:25,987 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:25,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:26,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136095696] [2021-04-29 04:14:26,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:26,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:26,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169419204] [2021-04-29 04:14:26,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:26,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:26,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:26,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:26,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:26,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 640 transitions, 31787 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:26,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:26,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:26,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:27,749 INFO L129 PetriNetUnfolder]: 36/2879 cut-off events. [2021-04-29 04:14:27,749 INFO L130 PetriNetUnfolder]: For 159377/162053 co-relation queries the response was YES. [2021-04-29 04:14:27,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26609 conditions, 2879 events. 36/2879 cut-off events. For 159377/162053 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 44067 event pairs, 16 based on Foata normal form. 68/2881 useless extension candidates. Maximal degree in co-relation 26462. Up to 639 conditions per place. [2021-04-29 04:14:27,777 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 417 selfloop transitions, 227 changer transitions 3/659 dead transitions. [2021-04-29 04:14:27,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 659 transitions, 33453 flow [2021-04-29 04:14:27,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:27,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:27,779 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:27,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:27,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:27,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:27,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:27,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:27,780 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:27,780 INFO L185 Difference]: Start difference. First operand has 614 places, 640 transitions, 31787 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:27,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 659 transitions, 33453 flow [2021-04-29 04:14:29,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 659 transitions, 33301 flow, removed 25 selfloop flow, removed 2 redundant places. [2021-04-29 04:14:29,525 INFO L241 Difference]: Finished difference. Result has 620 places, 637 transitions, 31915 flow [2021-04-29 04:14:29,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31643, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=640, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31915, PETRI_PLACES=620, PETRI_TRANSITIONS=637} [2021-04-29 04:14:29,526 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 576 predicate places. [2021-04-29 04:14:29,526 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:29,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 620 places, 637 transitions, 31915 flow [2021-04-29 04:14:29,526 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 620 places, 637 transitions, 31915 flow [2021-04-29 04:14:29,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 618 places, 637 transitions, 31915 flow [2021-04-29 04:14:30,286 INFO L129 PetriNetUnfolder]: 0/2796 cut-off events. [2021-04-29 04:14:30,286 INFO L130 PetriNetUnfolder]: For 155138/155389 co-relation queries the response was YES. [2021-04-29 04:14:30,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24719 conditions, 2796 events. 0/2796 cut-off events. For 155138/155389 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 43371 event pairs, 0 based on Foata normal form. 13/2749 useless extension candidates. Maximal degree in co-relation 0. Up to 321 conditions per place. [2021-04-29 04:14:30,318 INFO L146 LiptonReduction]: Number of co-enabled transitions 2732 [2021-04-29 04:14:30,409 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:30,409 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:30,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 883 [2021-04-29 04:14:30,410 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 637 transitions, 31915 flow [2021-04-29 04:14:30,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:30,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:30,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:30,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-04-29 04:14:30,410 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:30,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:30,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1390365928, now seen corresponding path program 160 times [2021-04-29 04:14:30,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:30,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997796323] [2021-04-29 04:14:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:30,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:30,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:30,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:30,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:30,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:30,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:30,443 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:30,457 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:14:30,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:14:30,477 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:30,504 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:30,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:30,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997796323] [2021-04-29 04:14:30,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:30,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:30,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439349340] [2021-04-29 04:14:30,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:30,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:30,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:30,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:30,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:30,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 637 transitions, 31915 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:30,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:30,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:30,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:32,310 INFO L129 PetriNetUnfolder]: 36/2861 cut-off events. [2021-04-29 04:14:32,310 INFO L130 PetriNetUnfolder]: For 159168/161082 co-relation queries the response was YES. [2021-04-29 04:14:32,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26643 conditions, 2861 events. 36/2861 cut-off events. For 159168/161082 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 43725 event pairs, 23 based on Foata normal form. 75/2876 useless extension candidates. Maximal degree in co-relation 26496. Up to 714 conditions per place. [2021-04-29 04:14:32,338 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 415 selfloop transitions, 242 changer transitions 1/670 dead transitions. [2021-04-29 04:14:32,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 670 transitions, 34080 flow [2021-04-29 04:14:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:32,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:32,340 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:32,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:32,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:32,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:32,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:32,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:32,341 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:32,341 INFO L185 Difference]: Start difference. First operand has 618 places, 637 transitions, 31915 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:32,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 670 transitions, 34080 flow [2021-04-29 04:14:34,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 670 transitions, 33633 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:14:34,070 INFO L241 Difference]: Finished difference. Result has 621 places, 636 transitions, 31897 flow [2021-04-29 04:14:34,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31476, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31897, PETRI_PLACES=621, PETRI_TRANSITIONS=636} [2021-04-29 04:14:34,070 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 577 predicate places. [2021-04-29 04:14:34,070 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:34,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 621 places, 636 transitions, 31897 flow [2021-04-29 04:14:34,071 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 621 places, 636 transitions, 31897 flow [2021-04-29 04:14:34,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 620 places, 636 transitions, 31897 flow [2021-04-29 04:14:34,824 INFO L129 PetriNetUnfolder]: 0/2792 cut-off events. [2021-04-29 04:14:34,824 INFO L130 PetriNetUnfolder]: For 154047/154244 co-relation queries the response was YES. [2021-04-29 04:14:34,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24654 conditions, 2792 events. 0/2792 cut-off events. For 154047/154244 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 43321 event pairs, 0 based on Foata normal form. 7/2741 useless extension candidates. Maximal degree in co-relation 0. Up to 320 conditions per place. [2021-04-29 04:14:34,856 INFO L146 LiptonReduction]: Number of co-enabled transitions 2724 [2021-04-29 04:14:34,948 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:34,948 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:34,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 878 [2021-04-29 04:14:34,948 INFO L480 AbstractCegarLoop]: Abstraction has has 620 places, 636 transitions, 31897 flow [2021-04-29 04:14:34,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:34,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:34,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:34,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-04-29 04:14:34,949 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:34,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:34,949 INFO L82 PathProgramCache]: Analyzing trace with hash -310427996, now seen corresponding path program 161 times [2021-04-29 04:14:34,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:34,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223853048] [2021-04-29 04:14:34,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:34,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:34,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:34,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:34,983 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:34,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:34,997 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:14:34,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:14:35,019 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:14:35,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:14:35,054 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:35,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223853048] [2021-04-29 04:14:35,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:35,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:35,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565993897] [2021-04-29 04:14:35,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:35,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:35,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:35,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:35,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:35,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 636 transitions, 31897 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:35,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:35,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:35,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:36,811 INFO L129 PetriNetUnfolder]: 36/2857 cut-off events. [2021-04-29 04:14:36,812 INFO L130 PetriNetUnfolder]: For 158480/160487 co-relation queries the response was YES. [2021-04-29 04:14:36,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26576 conditions, 2857 events. 36/2857 cut-off events. For 158480/160487 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 43696 event pairs, 16 based on Foata normal form. 75/2874 useless extension candidates. Maximal degree in co-relation 26429. Up to 714 conditions per place. [2021-04-29 04:14:36,839 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 414 selfloop transitions, 240 changer transitions 3/669 dead transitions. [2021-04-29 04:14:36,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 669 transitions, 34060 flow [2021-04-29 04:14:36,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:36,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:36,841 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:36,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:36,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:36,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:36,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:36,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:36,842 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:36,842 INFO L185 Difference]: Start difference. First operand has 620 places, 636 transitions, 31897 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:36,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 669 transitions, 34060 flow [2021-04-29 04:14:38,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 669 transitions, 33474 flow, removed 43 selfloop flow, removed 5 redundant places. [2021-04-29 04:14:38,587 INFO L241 Difference]: Finished difference. Result has 623 places, 633 transitions, 31633 flow [2021-04-29 04:14:38,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31319, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=240, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31633, PETRI_PLACES=623, PETRI_TRANSITIONS=633} [2021-04-29 04:14:38,588 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 579 predicate places. [2021-04-29 04:14:38,588 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:38,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 623 places, 633 transitions, 31633 flow [2021-04-29 04:14:38,588 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 623 places, 633 transitions, 31633 flow [2021-04-29 04:14:38,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 621 places, 633 transitions, 31633 flow [2021-04-29 04:14:39,346 INFO L129 PetriNetUnfolder]: 0/2784 cut-off events. [2021-04-29 04:14:39,346 INFO L130 PetriNetUnfolder]: For 149860/150116 co-relation queries the response was YES. [2021-04-29 04:14:39,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24514 conditions, 2784 events. 0/2784 cut-off events. For 149860/150116 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 43164 event pairs, 0 based on Foata normal form. 9/2730 useless extension candidates. Maximal degree in co-relation 0. Up to 319 conditions per place. [2021-04-29 04:14:39,378 INFO L146 LiptonReduction]: Number of co-enabled transitions 2694 [2021-04-29 04:14:39,470 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:39,471 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:39,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 883 [2021-04-29 04:14:39,471 INFO L480 AbstractCegarLoop]: Abstraction has has 621 places, 633 transitions, 31633 flow [2021-04-29 04:14:39,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:39,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:39,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:39,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-04-29 04:14:39,471 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:39,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:39,472 INFO L82 PathProgramCache]: Analyzing trace with hash 75787022, now seen corresponding path program 162 times [2021-04-29 04:14:39,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:39,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129185291] [2021-04-29 04:14:39,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:39,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:39,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:39,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:39,507 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:39,526 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:39,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:39,550 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:39,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:39,582 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:39,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:39,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129185291] [2021-04-29 04:14:39,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:39,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:39,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050692925] [2021-04-29 04:14:39,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:39,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:39,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:39,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:39,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:39,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 633 transitions, 31633 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:39,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:39,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:39,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:41,308 INFO L129 PetriNetUnfolder]: 36/2849 cut-off events. [2021-04-29 04:14:41,308 INFO L130 PetriNetUnfolder]: For 153759/155761 co-relation queries the response was YES. [2021-04-29 04:14:41,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26431 conditions, 2849 events. 36/2849 cut-off events. For 153759/155761 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 43546 event pairs, 16 based on Foata normal form. 73/2865 useless extension candidates. Maximal degree in co-relation 26286. Up to 714 conditions per place. [2021-04-29 04:14:41,335 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 419 selfloop transitions, 233 changer transitions 2/666 dead transitions. [2021-04-29 04:14:41,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 666 transitions, 33790 flow [2021-04-29 04:14:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:41,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:41,336 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:41,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:41,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:41,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:41,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:41,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:41,337 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:41,337 INFO L185 Difference]: Start difference. First operand has 621 places, 633 transitions, 31633 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:41,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 666 transitions, 33790 flow [2021-04-29 04:14:43,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 666 transitions, 33286 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-04-29 04:14:43,082 INFO L241 Difference]: Finished difference. Result has 624 places, 636 transitions, 31756 flow [2021-04-29 04:14:43,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31137, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31756, PETRI_PLACES=624, PETRI_TRANSITIONS=636} [2021-04-29 04:14:43,083 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 580 predicate places. [2021-04-29 04:14:43,083 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:43,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 624 places, 636 transitions, 31756 flow [2021-04-29 04:14:43,083 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 624 places, 636 transitions, 31756 flow [2021-04-29 04:14:43,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 623 places, 636 transitions, 31756 flow [2021-04-29 04:14:43,849 INFO L129 PetriNetUnfolder]: 0/2778 cut-off events. [2021-04-29 04:14:43,849 INFO L130 PetriNetUnfolder]: For 149911/150203 co-relation queries the response was YES. [2021-04-29 04:14:43,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24478 conditions, 2778 events. 0/2778 cut-off events. For 149911/150203 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 43035 event pairs, 0 based on Foata normal form. 8/2728 useless extension candidates. Maximal degree in co-relation 0. Up to 318 conditions per place. [2021-04-29 04:14:43,882 INFO L146 LiptonReduction]: Number of co-enabled transitions 2726 [2021-04-29 04:14:43,976 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:43,977 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:43,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 894 [2021-04-29 04:14:43,977 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 636 transitions, 31756 flow [2021-04-29 04:14:43,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:43,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:43,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:43,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-04-29 04:14:43,977 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:43,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:43,978 INFO L82 PathProgramCache]: Analyzing trace with hash 424151336, now seen corresponding path program 163 times [2021-04-29 04:14:43,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:43,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964523896] [2021-04-29 04:14:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:43,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:43,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:43,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:43,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:43,992 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:43,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:44,013 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:44,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:44,032 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:44,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:44,055 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:14:44,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:14:44,089 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:44,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:44,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964523896] [2021-04-29 04:14:44,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:44,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:44,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077161235] [2021-04-29 04:14:44,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:44,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:44,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:44,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:44,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:44,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 636 transitions, 31756 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:44,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:44,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:44,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:46,001 INFO L129 PetriNetUnfolder]: 36/2843 cut-off events. [2021-04-29 04:14:46,001 INFO L130 PetriNetUnfolder]: For 153723/155730 co-relation queries the response was YES. [2021-04-29 04:14:46,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26392 conditions, 2843 events. 36/2843 cut-off events. For 153723/155730 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 43408 event pairs, 16 based on Foata normal form. 75/2862 useless extension candidates. Maximal degree in co-relation 26247. Up to 714 conditions per place. [2021-04-29 04:14:46,029 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 417 selfloop transitions, 233 changer transitions 2/664 dead transitions. [2021-04-29 04:14:46,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 664 transitions, 33672 flow [2021-04-29 04:14:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:46,030 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:46,030 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:46,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:46,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:46,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:46,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:46,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:46,031 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:46,031 INFO L185 Difference]: Start difference. First operand has 623 places, 636 transitions, 31756 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:46,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 664 transitions, 33672 flow [2021-04-29 04:14:47,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 664 transitions, 33205 flow, removed 22 selfloop flow, removed 4 redundant places. [2021-04-29 04:14:47,762 INFO L241 Difference]: Finished difference. Result has 627 places, 634 transitions, 31643 flow [2021-04-29 04:14:47,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31297, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31643, PETRI_PLACES=627, PETRI_TRANSITIONS=634} [2021-04-29 04:14:47,762 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 583 predicate places. [2021-04-29 04:14:47,762 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:47,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 634 transitions, 31643 flow [2021-04-29 04:14:47,763 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 634 transitions, 31643 flow [2021-04-29 04:14:47,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 626 places, 634 transitions, 31643 flow [2021-04-29 04:14:48,535 INFO L129 PetriNetUnfolder]: 0/2772 cut-off events. [2021-04-29 04:14:48,535 INFO L130 PetriNetUnfolder]: For 148388/148592 co-relation queries the response was YES. [2021-04-29 04:14:48,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24417 conditions, 2772 events. 0/2772 cut-off events. For 148388/148592 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 42997 event pairs, 0 based on Foata normal form. 7/2720 useless extension candidates. Maximal degree in co-relation 0. Up to 317 conditions per place. [2021-04-29 04:14:48,569 INFO L146 LiptonReduction]: Number of co-enabled transitions 2708 [2021-04-29 04:14:48,663 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:48,663 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:48,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-04-29 04:14:48,664 INFO L480 AbstractCegarLoop]: Abstraction has has 626 places, 634 transitions, 31643 flow [2021-04-29 04:14:48,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:48,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:48,664 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:48,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-04-29 04:14:48,664 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:48,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:48,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1678057242, now seen corresponding path program 164 times [2021-04-29 04:14:48,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:48,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421991432] [2021-04-29 04:14:48,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:48,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:48,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:48,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:48,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:48,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:48,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:48,704 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:48,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:48,725 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:14:48,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:14:48,757 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:14:48,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:14:48,785 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:48,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:48,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421991432] [2021-04-29 04:14:48,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:48,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:48,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502591656] [2021-04-29 04:14:48,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:48,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:48,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:48,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:48,814 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:48,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 634 transitions, 31643 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:48,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:48,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:48,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:50,577 INFO L129 PetriNetUnfolder]: 35/2845 cut-off events. [2021-04-29 04:14:50,577 INFO L130 PetriNetUnfolder]: For 153111/155118 co-relation queries the response was YES. [2021-04-29 04:14:50,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26368 conditions, 2845 events. 35/2845 cut-off events. For 153111/155118 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 43507 event pairs, 15 based on Foata normal form. 56/2846 useless extension candidates. Maximal degree in co-relation 26223. Up to 714 conditions per place. [2021-04-29 04:14:50,604 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 404 selfloop transitions, 250 changer transitions 2/668 dead transitions. [2021-04-29 04:14:50,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 668 transitions, 33831 flow [2021-04-29 04:14:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:50,606 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:50,606 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:50,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:50,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:50,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:50,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:50,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:50,607 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:50,607 INFO L185 Difference]: Start difference. First operand has 626 places, 634 transitions, 31643 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:50,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 668 transitions, 33831 flow [2021-04-29 04:14:52,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 668 transitions, 33363 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:14:52,347 INFO L241 Difference]: Finished difference. Result has 633 places, 642 transitions, 32116 flow [2021-04-29 04:14:52,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31190, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32116, PETRI_PLACES=633, PETRI_TRANSITIONS=642} [2021-04-29 04:14:52,348 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 589 predicate places. [2021-04-29 04:14:52,348 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:52,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 642 transitions, 32116 flow [2021-04-29 04:14:52,349 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 642 transitions, 32116 flow [2021-04-29 04:14:52,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 632 places, 642 transitions, 32116 flow [2021-04-29 04:14:53,118 INFO L129 PetriNetUnfolder]: 0/2773 cut-off events. [2021-04-29 04:14:53,118 INFO L130 PetriNetUnfolder]: For 151509/151764 co-relation queries the response was YES. [2021-04-29 04:14:53,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24531 conditions, 2773 events. 0/2773 cut-off events. For 151509/151764 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 42929 event pairs, 0 based on Foata normal form. 5/2718 useless extension candidates. Maximal degree in co-relation 0. Up to 317 conditions per place. [2021-04-29 04:14:53,151 INFO L146 LiptonReduction]: Number of co-enabled transitions 2722 [2021-04-29 04:14:53,246 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:53,246 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:53,246 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 898 [2021-04-29 04:14:53,246 INFO L480 AbstractCegarLoop]: Abstraction has has 632 places, 642 transitions, 32116 flow [2021-04-29 04:14:53,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:53,246 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:53,247 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:53,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-04-29 04:14:53,247 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:53,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash 731374018, now seen corresponding path program 165 times [2021-04-29 04:14:53,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:53,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960486344] [2021-04-29 04:14:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:53,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:53,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:53,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:53,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:53,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:53,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:53,284 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:53,303 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:53,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:53,327 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:53,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:53,360 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:53,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:53,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960486344] [2021-04-29 04:14:53,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:53,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:53,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699507397] [2021-04-29 04:14:53,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:53,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:53,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:53,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:53,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:53,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 642 transitions, 32116 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:53,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:53,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:53,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:55,171 INFO L129 PetriNetUnfolder]: 35/2836 cut-off events. [2021-04-29 04:14:55,171 INFO L130 PetriNetUnfolder]: For 155609/157584 co-relation queries the response was YES. [2021-04-29 04:14:55,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26422 conditions, 2836 events. 35/2836 cut-off events. For 155609/157584 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 43297 event pairs, 15 based on Foata normal form. 75/2856 useless extension candidates. Maximal degree in co-relation 26273. Up to 714 conditions per place. [2021-04-29 04:14:55,201 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 419 selfloop transitions, 232 changer transitions 1/664 dead transitions. [2021-04-29 04:14:55,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 639 places, 664 transitions, 33880 flow [2021-04-29 04:14:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:55,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:55,202 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:55,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:55,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:55,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:55,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:55,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:55,203 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:55,203 INFO L185 Difference]: Start difference. First operand has 632 places, 642 transitions, 32116 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:55,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 639 places, 664 transitions, 33880 flow [2021-04-29 04:14:56,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 664 transitions, 33452 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:14:56,996 INFO L241 Difference]: Finished difference. Result has 635 places, 641 transitions, 32084 flow [2021-04-29 04:14:56,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31696, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=642, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32084, PETRI_PLACES=635, PETRI_TRANSITIONS=641} [2021-04-29 04:14:56,997 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 591 predicate places. [2021-04-29 04:14:56,997 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:56,998 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 641 transitions, 32084 flow [2021-04-29 04:14:56,998 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 641 transitions, 32084 flow [2021-04-29 04:14:57,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 641 transitions, 32084 flow [2021-04-29 04:14:57,788 INFO L129 PetriNetUnfolder]: 0/2768 cut-off events. [2021-04-29 04:14:57,788 INFO L130 PetriNetUnfolder]: For 150650/150851 co-relation queries the response was YES. [2021-04-29 04:14:57,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24492 conditions, 2768 events. 0/2768 cut-off events. For 150650/150851 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 42814 event pairs, 0 based on Foata normal form. 3/2715 useless extension candidates. Maximal degree in co-relation 0. Up to 316 conditions per place. [2021-04-29 04:14:57,820 INFO L146 LiptonReduction]: Number of co-enabled transitions 2716 [2021-04-29 04:14:57,915 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:57,915 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:57,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 918 [2021-04-29 04:14:57,915 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 641 transitions, 32084 flow [2021-04-29 04:14:57,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:57,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:57,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:14:57,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-04-29 04:14:57,916 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:57,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:57,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1173975026, now seen corresponding path program 166 times [2021-04-29 04:14:57,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:57,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320544271] [2021-04-29 04:14:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:57,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:57,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:14:57,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:14:57,949 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:57,968 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:57,993 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:14:57,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:14:58,025 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:14:58,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:14:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:58,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320544271] [2021-04-29 04:14:58,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:58,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:14:58,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558927900] [2021-04-29 04:14:58,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:14:58,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:58,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:14:58,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:14:58,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:14:58,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 641 transitions, 32084 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:14:58,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:58,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:14:58,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:59,832 INFO L129 PetriNetUnfolder]: 35/2831 cut-off events. [2021-04-29 04:14:59,832 INFO L130 PetriNetUnfolder]: For 155257/157232 co-relation queries the response was YES. [2021-04-29 04:14:59,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26381 conditions, 2831 events. 35/2831 cut-off events. For 155257/157232 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 43205 event pairs, 15 based on Foata normal form. 75/2852 useless extension candidates. Maximal degree in co-relation 26233. Up to 714 conditions per place. [2021-04-29 04:14:59,860 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 418 selfloop transitions, 230 changer transitions 3/663 dead transitions. [2021-04-29 04:14:59,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 663 transitions, 33846 flow [2021-04-29 04:14:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:14:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:14:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:14:59,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:14:59,862 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:14:59,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:14:59,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:59,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:14:59,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:59,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:59,863 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:59,863 INFO L185 Difference]: Start difference. First operand has 634 places, 641 transitions, 32084 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:14:59,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 663 transitions, 33846 flow [2021-04-29 04:15:01,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 663 transitions, 33407 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:15:01,630 INFO L241 Difference]: Finished difference. Result has 638 places, 638 transitions, 31941 flow [2021-04-29 04:15:01,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31653, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=641, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31941, PETRI_PLACES=638, PETRI_TRANSITIONS=638} [2021-04-29 04:15:01,631 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 594 predicate places. [2021-04-29 04:15:01,631 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:01,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 638 places, 638 transitions, 31941 flow [2021-04-29 04:15:01,631 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 638 places, 638 transitions, 31941 flow [2021-04-29 04:15:01,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 638 transitions, 31941 flow [2021-04-29 04:15:02,410 INFO L129 PetriNetUnfolder]: 0/2755 cut-off events. [2021-04-29 04:15:02,410 INFO L130 PetriNetUnfolder]: For 149557/149756 co-relation queries the response was YES. [2021-04-29 04:15:02,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24353 conditions, 2755 events. 0/2755 cut-off events. For 149557/149756 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 42641 event pairs, 0 based on Foata normal form. 3/2698 useless extension candidates. Maximal degree in co-relation 0. Up to 315 conditions per place. [2021-04-29 04:15:02,443 INFO L146 LiptonReduction]: Number of co-enabled transitions 2696 [2021-04-29 04:15:02,535 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:02,536 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:02,536 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 905 [2021-04-29 04:15:02,536 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 638 transitions, 31941 flow [2021-04-29 04:15:02,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:02,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:02,536 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:02,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-04-29 04:15:02,536 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:02,537 INFO L82 PathProgramCache]: Analyzing trace with hash 623829360, now seen corresponding path program 167 times [2021-04-29 04:15:02,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:02,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54278792] [2021-04-29 04:15:02,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:02,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:02,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:02,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:02,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:02,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:02,571 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:02,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:02,593 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:15:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:15:02,618 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:02,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:02,651 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:02,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:02,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54278792] [2021-04-29 04:15:02,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:02,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:02,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598429050] [2021-04-29 04:15:02,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:02,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:02,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:02,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:02,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:02,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 638 transitions, 31941 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:02,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:02,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:02,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:04,481 INFO L129 PetriNetUnfolder]: 35/2818 cut-off events. [2021-04-29 04:15:04,482 INFO L130 PetriNetUnfolder]: For 153175/154544 co-relation queries the response was YES. [2021-04-29 04:15:04,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26235 conditions, 2818 events. 35/2818 cut-off events. For 153175/154544 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 43004 event pairs, 15 based on Foata normal form. 49/2814 useless extension candidates. Maximal degree in co-relation 26087. Up to 714 conditions per place. [2021-04-29 04:15:04,508 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 399 selfloop transitions, 248 changer transitions 1/660 dead transitions. [2021-04-29 04:15:04,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 644 places, 660 transitions, 33697 flow [2021-04-29 04:15:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:04,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:04,509 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:04,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:04,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:04,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:04,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:04,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:04,510 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:04,510 INFO L185 Difference]: Start difference. First operand has 637 places, 638 transitions, 31941 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:04,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 644 places, 660 transitions, 33697 flow [2021-04-29 04:15:06,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 660 transitions, 33239 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:06,241 INFO L241 Difference]: Finished difference. Result has 640 places, 637 transitions, 31935 flow [2021-04-29 04:15:06,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31491, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31935, PETRI_PLACES=640, PETRI_TRANSITIONS=637} [2021-04-29 04:15:06,242 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 596 predicate places. [2021-04-29 04:15:06,242 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:06,242 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 637 transitions, 31935 flow [2021-04-29 04:15:06,242 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 637 transitions, 31935 flow [2021-04-29 04:15:06,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 639 places, 637 transitions, 31935 flow [2021-04-29 04:15:06,992 INFO L129 PetriNetUnfolder]: 0/2751 cut-off events. [2021-04-29 04:15:06,992 INFO L130 PetriNetUnfolder]: For 149502/149707 co-relation queries the response was YES. [2021-04-29 04:15:06,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24343 conditions, 2751 events. 0/2751 cut-off events. For 149502/149707 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 42600 event pairs, 0 based on Foata normal form. 3/2697 useless extension candidates. Maximal degree in co-relation 0. Up to 314 conditions per place. [2021-04-29 04:15:07,024 INFO L146 LiptonReduction]: Number of co-enabled transitions 2688 [2021-04-29 04:15:07,117 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:07,117 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:07,117 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 875 [2021-04-29 04:15:07,118 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 637 transitions, 31935 flow [2021-04-29 04:15:07,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:07,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:07,118 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:07,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-04-29 04:15:07,118 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:07,118 INFO L82 PathProgramCache]: Analyzing trace with hash 589341148, now seen corresponding path program 168 times [2021-04-29 04:15:07,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:07,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046596796] [2021-04-29 04:15:07,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:07,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:07,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:07,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:07,153 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:07,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:07,179 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:15:07,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:15:07,204 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:15:07,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:15:07,236 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:07,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:07,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046596796] [2021-04-29 04:15:07,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:07,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:07,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203079138] [2021-04-29 04:15:07,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:07,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:07,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:07,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:07,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:07,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 637 transitions, 31935 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:07,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:07,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:07,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:09,007 INFO L129 PetriNetUnfolder]: 35/2814 cut-off events. [2021-04-29 04:15:09,007 INFO L130 PetriNetUnfolder]: For 153139/154513 co-relation queries the response was YES. [2021-04-29 04:15:09,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26223 conditions, 2814 events. 35/2814 cut-off events. For 153139/154513 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 42908 event pairs, 15 based on Foata normal form. 51/2813 useless extension candidates. Maximal degree in co-relation 26075. Up to 714 conditions per place. [2021-04-29 04:15:09,036 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 247 changer transitions 3/659 dead transitions. [2021-04-29 04:15:09,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 659 transitions, 33689 flow [2021-04-29 04:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:09,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:09,038 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:09,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:09,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:09,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:09,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:09,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:09,039 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:09,039 INFO L185 Difference]: Start difference. First operand has 639 places, 637 transitions, 31935 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:09,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 659 transitions, 33689 flow [2021-04-29 04:15:10,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 659 transitions, 33239 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:15:10,862 INFO L241 Difference]: Finished difference. Result has 643 places, 634 transitions, 31834 flow [2021-04-29 04:15:10,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31493, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31834, PETRI_PLACES=643, PETRI_TRANSITIONS=634} [2021-04-29 04:15:10,863 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 599 predicate places. [2021-04-29 04:15:10,863 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:10,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 634 transitions, 31834 flow [2021-04-29 04:15:10,863 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 634 transitions, 31834 flow [2021-04-29 04:15:10,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 642 places, 634 transitions, 31834 flow [2021-04-29 04:15:11,604 INFO L129 PetriNetUnfolder]: 0/2740 cut-off events. [2021-04-29 04:15:11,604 INFO L130 PetriNetUnfolder]: For 148949/149148 co-relation queries the response was YES. [2021-04-29 04:15:11,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24273 conditions, 2740 events. 0/2740 cut-off events. For 148949/149148 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 42367 event pairs, 0 based on Foata normal form. 3/2689 useless extension candidates. Maximal degree in co-relation 0. Up to 313 conditions per place. [2021-04-29 04:15:11,635 INFO L146 LiptonReduction]: Number of co-enabled transitions 2664 [2021-04-29 04:15:11,724 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:11,724 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:11,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 861 [2021-04-29 04:15:11,725 INFO L480 AbstractCegarLoop]: Abstraction has has 642 places, 634 transitions, 31834 flow [2021-04-29 04:15:11,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:11,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:11,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:11,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-04-29 04:15:11,725 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:11,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:11,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1022470246, now seen corresponding path program 169 times [2021-04-29 04:15:11,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:11,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024623786] [2021-04-29 04:15:11,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:11,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:11,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:11,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:11,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:11,739 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:11,760 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:11,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:11,786 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:11,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:11,820 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:15:11,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:15:11,853 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:11,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:11,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024623786] [2021-04-29 04:15:11,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:11,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:11,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970998847] [2021-04-29 04:15:11,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:11,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:11,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:11,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:11,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:11,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 634 transitions, 31834 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:11,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:11,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:11,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:13,567 INFO L129 PetriNetUnfolder]: 35/2803 cut-off events. [2021-04-29 04:15:13,567 INFO L130 PetriNetUnfolder]: For 152674/154048 co-relation queries the response was YES. [2021-04-29 04:15:13,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26148 conditions, 2803 events. 35/2803 cut-off events. For 152674/154048 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 42716 event pairs, 15 based on Foata normal form. 51/2802 useless extension candidates. Maximal degree in co-relation 26000. Up to 714 conditions per place. [2021-04-29 04:15:13,594 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 398 selfloop transitions, 248 changer transitions 2/660 dead transitions. [2021-04-29 04:15:13,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 660 transitions, 33781 flow [2021-04-29 04:15:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:13,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:13,599 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:13,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:13,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:13,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:13,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:13,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:13,601 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:13,601 INFO L185 Difference]: Start difference. First operand has 642 places, 634 transitions, 31834 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:13,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 660 transitions, 33781 flow [2021-04-29 04:15:15,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 660 transitions, 33281 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:15,427 INFO L241 Difference]: Finished difference. Result has 648 places, 637 transitions, 32013 flow [2021-04-29 04:15:15,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31344, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32013, PETRI_PLACES=648, PETRI_TRANSITIONS=637} [2021-04-29 04:15:15,427 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 604 predicate places. [2021-04-29 04:15:15,427 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:15,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 637 transitions, 32013 flow [2021-04-29 04:15:15,428 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 637 transitions, 32013 flow [2021-04-29 04:15:15,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 637 transitions, 32013 flow [2021-04-29 04:15:16,170 INFO L129 PetriNetUnfolder]: 0/2731 cut-off events. [2021-04-29 04:15:16,170 INFO L130 PetriNetUnfolder]: For 150048/150244 co-relation queries the response was YES. [2021-04-29 04:15:16,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24255 conditions, 2731 events. 0/2731 cut-off events. For 150048/150244 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 42219 event pairs, 0 based on Foata normal form. 7/2683 useless extension candidates. Maximal degree in co-relation 0. Up to 312 conditions per place. [2021-04-29 04:15:16,201 INFO L146 LiptonReduction]: Number of co-enabled transitions 2676 [2021-04-29 04:15:16,291 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:16,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:16,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 864 [2021-04-29 04:15:16,292 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 637 transitions, 32013 flow [2021-04-29 04:15:16,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:16,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:16,292 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:16,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-04-29 04:15:16,292 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:16,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:16,292 INFO L82 PathProgramCache]: Analyzing trace with hash -293687058, now seen corresponding path program 170 times [2021-04-29 04:15:16,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:16,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406776431] [2021-04-29 04:15:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:16,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:16,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:16,328 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:16,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:16,355 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:16,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:16,389 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:15:16,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:15:16,422 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:16,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:16,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406776431] [2021-04-29 04:15:16,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:16,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:16,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387726943] [2021-04-29 04:15:16,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:16,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:16,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:16,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:16,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:16,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 637 transitions, 32013 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:16,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:16,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:16,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:18,122 INFO L129 PetriNetUnfolder]: 35/2794 cut-off events. [2021-04-29 04:15:18,122 INFO L130 PetriNetUnfolder]: For 153601/154895 co-relation queries the response was YES. [2021-04-29 04:15:18,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26129 conditions, 2794 events. 35/2794 cut-off events. For 153601/154895 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 42502 event pairs, 22 based on Foata normal form. 51/2793 useless extension candidates. Maximal degree in co-relation 25978. Up to 714 conditions per place. [2021-04-29 04:15:18,150 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 396 selfloop transitions, 247 changer transitions 3/658 dead transitions. [2021-04-29 04:15:18,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 658 transitions, 33770 flow [2021-04-29 04:15:18,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:15:18,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:15:18,151 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:15:18,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:15:18,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:18,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:15:18,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:18,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:18,153 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:18,153 INFO L185 Difference]: Start difference. First operand has 647 places, 637 transitions, 32013 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:15:18,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 658 transitions, 33770 flow [2021-04-29 04:15:19,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 658 transitions, 33309 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:19,927 INFO L241 Difference]: Finished difference. Result has 651 places, 635 transitions, 31985 flow [2021-04-29 04:15:19,928 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31560, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31985, PETRI_PLACES=651, PETRI_TRANSITIONS=635} [2021-04-29 04:15:19,928 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 607 predicate places. [2021-04-29 04:15:19,928 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:19,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 635 transitions, 31985 flow [2021-04-29 04:15:19,928 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 635 transitions, 31985 flow [2021-04-29 04:15:19,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 649 places, 635 transitions, 31985 flow [2021-04-29 04:15:20,665 INFO L129 PetriNetUnfolder]: 0/2721 cut-off events. [2021-04-29 04:15:20,665 INFO L130 PetriNetUnfolder]: For 149771/149973 co-relation queries the response was YES. [2021-04-29 04:15:20,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24214 conditions, 2721 events. 0/2721 cut-off events. For 149771/149973 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 41979 event pairs, 0 based on Foata normal form. 7/2672 useless extension candidates. Maximal degree in co-relation 0. Up to 311 conditions per place. [2021-04-29 04:15:20,696 INFO L146 LiptonReduction]: Number of co-enabled transitions 2664 [2021-04-29 04:15:20,787 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:20,787 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:20,787 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 859 [2021-04-29 04:15:20,787 INFO L480 AbstractCegarLoop]: Abstraction has has 649 places, 635 transitions, 31985 flow [2021-04-29 04:15:20,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:20,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:20,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:20,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-04-29 04:15:20,788 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:20,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:20,788 INFO L82 PathProgramCache]: Analyzing trace with hash 154164034, now seen corresponding path program 171 times [2021-04-29 04:15:20,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:20,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556016845] [2021-04-29 04:15:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:20,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:20,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:20,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:20,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:20,802 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:20,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:20,823 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:20,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:20,847 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:15:20,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:15:20,883 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:20,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:20,915 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:20,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:20,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556016845] [2021-04-29 04:15:20,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:20,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:20,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860613737] [2021-04-29 04:15:20,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:20,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:20,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:20,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:20,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:20,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 635 transitions, 31985 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:20,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:20,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:20,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:22,639 INFO L129 PetriNetUnfolder]: 35/2784 cut-off events. [2021-04-29 04:15:22,639 INFO L130 PetriNetUnfolder]: For 153058/154432 co-relation queries the response was YES. [2021-04-29 04:15:22,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26084 conditions, 2784 events. 35/2784 cut-off events. For 153058/154432 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 42347 event pairs, 15 based on Foata normal form. 51/2783 useless extension candidates. Maximal degree in co-relation 25933. Up to 714 conditions per place. [2021-04-29 04:15:22,667 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 245 changer transitions 3/657 dead transitions. [2021-04-29 04:15:22,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 657 transitions, 33799 flow [2021-04-29 04:15:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:22,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:15:22,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:15:22,669 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:15:22,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:15:22,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:22,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:15:22,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:22,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:22,670 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:22,670 INFO L185 Difference]: Start difference. First operand has 649 places, 635 transitions, 31985 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:15:22,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 657 transitions, 33799 flow [2021-04-29 04:15:24,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 657 transitions, 33281 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-04-29 04:15:24,443 INFO L241 Difference]: Finished difference. Result has 651 places, 634 transitions, 31956 flow [2021-04-29 04:15:24,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31477, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31956, PETRI_PLACES=651, PETRI_TRANSITIONS=634} [2021-04-29 04:15:24,444 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 607 predicate places. [2021-04-29 04:15:24,444 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:24,444 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 634 transitions, 31956 flow [2021-04-29 04:15:24,444 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 634 transitions, 31956 flow [2021-04-29 04:15:24,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 649 places, 634 transitions, 31956 flow [2021-04-29 04:15:25,175 INFO L129 PetriNetUnfolder]: 0/2710 cut-off events. [2021-04-29 04:15:25,176 INFO L130 PetriNetUnfolder]: For 148782/148987 co-relation queries the response was YES. [2021-04-29 04:15:25,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24124 conditions, 2710 events. 0/2710 cut-off events. For 148782/148987 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 41788 event pairs, 0 based on Foata normal form. 3/2658 useless extension candidates. Maximal degree in co-relation 0. Up to 310 conditions per place. [2021-04-29 04:15:25,207 INFO L146 LiptonReduction]: Number of co-enabled transitions 2652 [2021-04-29 04:15:25,298 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:25,298 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:25,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 854 [2021-04-29 04:15:25,299 INFO L480 AbstractCegarLoop]: Abstraction has has 649 places, 634 transitions, 31956 flow [2021-04-29 04:15:25,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:25,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:25,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:25,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-04-29 04:15:25,299 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:25,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:25,299 INFO L82 PathProgramCache]: Analyzing trace with hash -2046671878, now seen corresponding path program 172 times [2021-04-29 04:15:25,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:25,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665182318] [2021-04-29 04:15:25,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:25,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:25,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:25,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:25,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:25,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:25,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:25,334 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:25,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:25,363 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:15:25,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:15:25,405 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:25,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:25,438 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:25,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:25,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665182318] [2021-04-29 04:15:25,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:25,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:25,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400294171] [2021-04-29 04:15:25,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:25,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:25,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:25,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:25,470 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:25,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 634 transitions, 31956 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:25,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:25,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:25,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:27,287 INFO L129 PetriNetUnfolder]: 33/2799 cut-off events. [2021-04-29 04:15:27,287 INFO L130 PetriNetUnfolder]: For 153368/154737 co-relation queries the response was YES. [2021-04-29 04:15:27,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26156 conditions, 2799 events. 33/2799 cut-off events. For 153368/154737 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 42648 event pairs, 13 based on Foata normal form. 49/2796 useless extension candidates. Maximal degree in co-relation 26006. Up to 714 conditions per place. [2021-04-29 04:15:27,311 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 412 selfloop transitions, 235 changer transitions 2/661 dead transitions. [2021-04-29 04:15:27,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 661 transitions, 33987 flow [2021-04-29 04:15:27,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:27,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:27,312 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:27,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:27,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:27,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:27,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:27,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:27,314 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:27,314 INFO L185 Difference]: Start difference. First operand has 649 places, 634 transitions, 31956 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:27,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 661 transitions, 33987 flow [2021-04-29 04:15:28,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 661 transitions, 33536 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:15:28,998 INFO L241 Difference]: Finished difference. Result has 656 places, 638 transitions, 32217 flow [2021-04-29 04:15:28,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31515, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32217, PETRI_PLACES=656, PETRI_TRANSITIONS=638} [2021-04-29 04:15:28,998 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 612 predicate places. [2021-04-29 04:15:28,998 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:28,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 638 transitions, 32217 flow [2021-04-29 04:15:28,999 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 638 transitions, 32217 flow [2021-04-29 04:15:29,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 655 places, 638 transitions, 32217 flow [2021-04-29 04:15:29,774 INFO L129 PetriNetUnfolder]: 0/2731 cut-off events. [2021-04-29 04:15:29,774 INFO L130 PetriNetUnfolder]: For 150306/150499 co-relation queries the response was YES. [2021-04-29 04:15:29,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24342 conditions, 2731 events. 0/2731 cut-off events. For 150306/150499 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 42198 event pairs, 0 based on Foata normal form. 3/2679 useless extension candidates. Maximal degree in co-relation 0. Up to 312 conditions per place. [2021-04-29 04:15:29,806 INFO L146 LiptonReduction]: Number of co-enabled transitions 2656 [2021-04-29 04:15:29,899 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:29,899 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:29,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-04-29 04:15:29,900 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 638 transitions, 32217 flow [2021-04-29 04:15:29,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:29,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:29,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:29,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-04-29 04:15:29,900 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:29,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:29,900 INFO L82 PathProgramCache]: Analyzing trace with hash -949829966, now seen corresponding path program 173 times [2021-04-29 04:15:29,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:29,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954221836] [2021-04-29 04:15:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:29,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:29,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:29,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:29,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:29,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:29,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:29,933 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:29,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:29,963 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:15:29,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:15:30,004 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:30,036 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:30,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954221836] [2021-04-29 04:15:30,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:30,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:30,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646764122] [2021-04-29 04:15:30,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:30,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:30,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:30,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:30,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:30,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 638 transitions, 32217 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:30,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:30,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:30,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:31,867 INFO L129 PetriNetUnfolder]: 33/2790 cut-off events. [2021-04-29 04:15:31,867 INFO L130 PetriNetUnfolder]: For 153751/155081 co-relation queries the response was YES. [2021-04-29 04:15:31,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26173 conditions, 2790 events. 33/2790 cut-off events. For 153751/155081 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 42510 event pairs, 13 based on Foata normal form. 49/2787 useless extension candidates. Maximal degree in co-relation 26020. Up to 714 conditions per place. [2021-04-29 04:15:31,895 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 422 selfloop transitions, 237 changer transitions 2/673 dead transitions. [2021-04-29 04:15:31,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 673 transitions, 34679 flow [2021-04-29 04:15:31,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:31,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:31,896 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:31,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:31,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:31,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:31,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:31,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:31,898 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:31,898 INFO L185 Difference]: Start difference. First operand has 655 places, 638 transitions, 32217 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:31,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 673 transitions, 34679 flow [2021-04-29 04:15:33,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 673 transitions, 34223 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:33,725 INFO L241 Difference]: Finished difference. Result has 661 places, 645 transitions, 32696 flow [2021-04-29 04:15:33,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31773, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32696, PETRI_PLACES=661, PETRI_TRANSITIONS=645} [2021-04-29 04:15:33,731 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 617 predicate places. [2021-04-29 04:15:33,731 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:33,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 645 transitions, 32696 flow [2021-04-29 04:15:33,731 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 645 transitions, 32696 flow [2021-04-29 04:15:33,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 645 transitions, 32696 flow [2021-04-29 04:15:34,519 INFO L129 PetriNetUnfolder]: 0/2722 cut-off events. [2021-04-29 04:15:34,519 INFO L130 PetriNetUnfolder]: For 152569/152764 co-relation queries the response was YES. [2021-04-29 04:15:34,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24374 conditions, 2722 events. 0/2722 cut-off events. For 152569/152764 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 41991 event pairs, 0 based on Foata normal form. 3/2672 useless extension candidates. Maximal degree in co-relation 0. Up to 311 conditions per place. [2021-04-29 04:15:34,550 INFO L146 LiptonReduction]: Number of co-enabled transitions 2668 [2021-04-29 04:15:34,645 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:34,645 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:34,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 914 [2021-04-29 04:15:34,645 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 645 transitions, 32696 flow [2021-04-29 04:15:34,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:34,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:34,646 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:34,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-04-29 04:15:34,646 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:34,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:34,646 INFO L82 PathProgramCache]: Analyzing trace with hash -904719220, now seen corresponding path program 174 times [2021-04-29 04:15:34,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:34,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888116734] [2021-04-29 04:15:34,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:34,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:34,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:34,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:34,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:34,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:34,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:34,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:34,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:34,702 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:34,727 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:15:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:15:34,760 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:34,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:34,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888116734] [2021-04-29 04:15:34,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:34,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:34,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421159301] [2021-04-29 04:15:34,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:34,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:34,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:34,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:34,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:34,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 645 transitions, 32696 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:34,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:34,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:34,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:36,503 INFO L129 PetriNetUnfolder]: 33/2781 cut-off events. [2021-04-29 04:15:36,503 INFO L130 PetriNetUnfolder]: For 156418/157774 co-relation queries the response was YES. [2021-04-29 04:15:36,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26212 conditions, 2781 events. 33/2781 cut-off events. For 156418/157774 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 42289 event pairs, 13 based on Foata normal form. 54/2783 useless extension candidates. Maximal degree in co-relation 26057. Up to 714 conditions per place. [2021-04-29 04:15:36,532 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 418 selfloop transitions, 238 changer transitions 2/670 dead transitions. [2021-04-29 04:15:36,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 670 transitions, 34712 flow [2021-04-29 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:36,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:36,533 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:36,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:36,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:36,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:36,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:36,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:36,535 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:36,535 INFO L185 Difference]: Start difference. First operand has 660 places, 645 transitions, 32696 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:36,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 670 transitions, 34712 flow [2021-04-29 04:15:38,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 670 transitions, 34353 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-04-29 04:15:38,416 INFO L241 Difference]: Finished difference. Result has 666 places, 649 transitions, 33055 flow [2021-04-29 04:15:38,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32345, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33055, PETRI_PLACES=666, PETRI_TRANSITIONS=649} [2021-04-29 04:15:38,417 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 622 predicate places. [2021-04-29 04:15:38,417 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:38,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 649 transitions, 33055 flow [2021-04-29 04:15:38,417 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 649 transitions, 33055 flow [2021-04-29 04:15:38,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 665 places, 649 transitions, 33055 flow [2021-04-29 04:15:39,172 INFO L129 PetriNetUnfolder]: 0/2716 cut-off events. [2021-04-29 04:15:39,172 INFO L130 PetriNetUnfolder]: For 153104/153297 co-relation queries the response was YES. [2021-04-29 04:15:39,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24425 conditions, 2716 events. 0/2716 cut-off events. For 153104/153297 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 41879 event pairs, 0 based on Foata normal form. 3/2665 useless extension candidates. Maximal degree in co-relation 0. Up to 310 conditions per place. [2021-04-29 04:15:39,204 INFO L146 LiptonReduction]: Number of co-enabled transitions 2656 [2021-04-29 04:15:39,290 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:39,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:39,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 874 [2021-04-29 04:15:39,291 INFO L480 AbstractCegarLoop]: Abstraction has has 665 places, 649 transitions, 33055 flow [2021-04-29 04:15:39,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:39,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:39,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:39,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-04-29 04:15:39,291 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:39,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:39,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1773827434, now seen corresponding path program 175 times [2021-04-29 04:15:39,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:39,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430582304] [2021-04-29 04:15:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:39,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:39,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:39,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:39,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:39,304 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:39,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:39,330 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:39,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:39,355 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:15:39,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:15:39,396 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:15:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:15:39,429 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:39,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430582304] [2021-04-29 04:15:39,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:39,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:39,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321179908] [2021-04-29 04:15:39,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:39,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:39,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:39,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:39,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:39,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 649 transitions, 33055 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:39,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:39,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:39,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:41,189 INFO L129 PetriNetUnfolder]: 33/2775 cut-off events. [2021-04-29 04:15:41,190 INFO L130 PetriNetUnfolder]: For 156837/158183 co-relation queries the response was YES. [2021-04-29 04:15:41,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26260 conditions, 2775 events. 33/2775 cut-off events. For 156837/158183 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 42190 event pairs, 13 based on Foata normal form. 54/2778 useless extension candidates. Maximal degree in co-relation 26104. Up to 714 conditions per place. [2021-04-29 04:15:41,218 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 421 selfloop transitions, 233 changer transitions 3/669 dead transitions. [2021-04-29 04:15:41,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 669 transitions, 34796 flow [2021-04-29 04:15:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:41,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:41,219 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:41,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:41,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:41,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:41,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:41,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:41,220 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:41,221 INFO L185 Difference]: Start difference. First operand has 665 places, 649 transitions, 33055 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:41,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 669 transitions, 34796 flow [2021-04-29 04:15:43,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 669 transitions, 34354 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:15:43,165 INFO L241 Difference]: Finished difference. Result has 670 places, 647 transitions, 33005 flow [2021-04-29 04:15:43,165 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32621, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33005, PETRI_PLACES=670, PETRI_TRANSITIONS=647} [2021-04-29 04:15:43,166 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 626 predicate places. [2021-04-29 04:15:43,166 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:43,166 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 647 transitions, 33005 flow [2021-04-29 04:15:43,166 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 647 transitions, 33005 flow [2021-04-29 04:15:43,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 647 transitions, 33005 flow [2021-04-29 04:15:43,973 INFO L129 PetriNetUnfolder]: 0/2706 cut-off events. [2021-04-29 04:15:43,973 INFO L130 PetriNetUnfolder]: For 152885/153084 co-relation queries the response was YES. [2021-04-29 04:15:43,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24390 conditions, 2706 events. 0/2706 cut-off events. For 152885/153084 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 41729 event pairs, 0 based on Foata normal form. 3/2653 useless extension candidates. Maximal degree in co-relation 0. Up to 309 conditions per place. [2021-04-29 04:15:44,005 INFO L146 LiptonReduction]: Number of co-enabled transitions 2656 [2021-04-29 04:15:44,101 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:44,101 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:44,101 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 935 [2021-04-29 04:15:44,102 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 647 transitions, 33005 flow [2021-04-29 04:15:44,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:44,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:44,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:44,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-04-29 04:15:44,102 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:44,102 INFO L82 PathProgramCache]: Analyzing trace with hash 728479540, now seen corresponding path program 176 times [2021-04-29 04:15:44,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:44,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415068638] [2021-04-29 04:15:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:44,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:44,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:44,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:44,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:44,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:44,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:44,137 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:44,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:44,168 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:44,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:44,193 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:44,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:44,226 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:44,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:44,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415068638] [2021-04-29 04:15:44,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:44,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:44,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265934352] [2021-04-29 04:15:44,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:44,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:44,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:44,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:44,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:44,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 647 transitions, 33005 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:44,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:44,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:44,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:46,075 INFO L129 PetriNetUnfolder]: 33/2765 cut-off events. [2021-04-29 04:15:46,075 INFO L130 PetriNetUnfolder]: For 156528/157874 co-relation queries the response was YES. [2021-04-29 04:15:46,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26221 conditions, 2765 events. 33/2765 cut-off events. For 156528/157874 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 42041 event pairs, 13 based on Foata normal form. 54/2768 useless extension candidates. Maximal degree in co-relation 26064. Up to 714 conditions per place. [2021-04-29 04:15:46,104 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 415 selfloop transitions, 236 changer transitions 3/666 dead transitions. [2021-04-29 04:15:46,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 666 transitions, 34705 flow [2021-04-29 04:15:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:46,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:46,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:46,105 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:46,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:46,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:46,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:46,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:46,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:46,106 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:46,106 INFO L185 Difference]: Start difference. First operand has 669 places, 647 transitions, 33005 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:46,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 666 transitions, 34705 flow [2021-04-29 04:15:48,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 666 transitions, 34362 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-29 04:15:48,082 INFO L241 Difference]: Finished difference. Result has 674 places, 644 transitions, 32968 flow [2021-04-29 04:15:48,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32670, PETRI_DIFFERENCE_MINUEND_PLACES=666, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32968, PETRI_PLACES=674, PETRI_TRANSITIONS=644} [2021-04-29 04:15:48,083 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 630 predicate places. [2021-04-29 04:15:48,083 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:48,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 644 transitions, 32968 flow [2021-04-29 04:15:48,084 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 644 transitions, 32968 flow [2021-04-29 04:15:48,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 672 places, 644 transitions, 32968 flow [2021-04-29 04:15:48,929 INFO L129 PetriNetUnfolder]: 0/2696 cut-off events. [2021-04-29 04:15:48,930 INFO L130 PetriNetUnfolder]: For 152812/153032 co-relation queries the response was YES. [2021-04-29 04:15:48,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24402 conditions, 2696 events. 0/2696 cut-off events. For 152812/153032 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 41557 event pairs, 0 based on Foata normal form. 4/2646 useless extension candidates. Maximal degree in co-relation 0. Up to 308 conditions per place. [2021-04-29 04:15:48,964 INFO L146 LiptonReduction]: Number of co-enabled transitions 2642 [2021-04-29 04:15:49,060 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:49,060 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:49,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 977 [2021-04-29 04:15:49,061 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 644 transitions, 32968 flow [2021-04-29 04:15:49,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:49,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:49,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:49,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-04-29 04:15:49,061 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:49,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:49,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1998810808, now seen corresponding path program 177 times [2021-04-29 04:15:49,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:49,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387233907] [2021-04-29 04:15:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:49,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:49,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:49,098 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:49,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:49,122 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:49,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:49,151 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:15:49,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:15:49,179 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:49,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387233907] [2021-04-29 04:15:49,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:49,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:49,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992594799] [2021-04-29 04:15:49,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:49,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:49,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:49,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:49,210 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:49,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 644 transitions, 32968 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:49,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:49,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:49,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:51,044 INFO L129 PetriNetUnfolder]: 33/2755 cut-off events. [2021-04-29 04:15:51,044 INFO L130 PetriNetUnfolder]: For 156271/157617 co-relation queries the response was YES. [2021-04-29 04:15:51,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26229 conditions, 2755 events. 33/2755 cut-off events. For 156271/157617 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 41838 event pairs, 13 based on Foata normal form. 54/2758 useless extension candidates. Maximal degree in co-relation 26072. Up to 714 conditions per place. [2021-04-29 04:15:51,069 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 414 selfloop transitions, 235 changer transitions 2/663 dead transitions. [2021-04-29 04:15:51,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 663 transitions, 34662 flow [2021-04-29 04:15:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:15:51,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:15:51,070 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:15:51,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:15:51,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:51,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:15:51,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:51,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:51,071 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:51,071 INFO L185 Difference]: Start difference. First operand has 672 places, 644 transitions, 32968 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:15:51,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 663 transitions, 34662 flow [2021-04-29 04:15:52,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 663 transitions, 34213 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:52,936 INFO L241 Difference]: Finished difference. Result has 675 places, 642 transitions, 32878 flow [2021-04-29 04:15:52,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32527, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32878, PETRI_PLACES=675, PETRI_TRANSITIONS=642} [2021-04-29 04:15:52,937 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 631 predicate places. [2021-04-29 04:15:52,937 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:52,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 642 transitions, 32878 flow [2021-04-29 04:15:52,937 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 642 transitions, 32878 flow [2021-04-29 04:15:52,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 642 transitions, 32878 flow [2021-04-29 04:15:53,718 INFO L129 PetriNetUnfolder]: 0/2687 cut-off events. [2021-04-29 04:15:53,718 INFO L130 PetriNetUnfolder]: For 152015/152210 co-relation queries the response was YES. [2021-04-29 04:15:53,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24368 conditions, 2687 events. 0/2687 cut-off events. For 152015/152210 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 41353 event pairs, 0 based on Foata normal form. 3/2637 useless extension candidates. Maximal degree in co-relation 0. Up to 307 conditions per place. [2021-04-29 04:15:53,749 INFO L146 LiptonReduction]: Number of co-enabled transitions 2630 [2021-04-29 04:15:53,844 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:53,844 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:53,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 907 [2021-04-29 04:15:53,845 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 642 transitions, 32878 flow [2021-04-29 04:15:53,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:53,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:53,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:53,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-04-29 04:15:53,845 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:53,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:53,845 INFO L82 PathProgramCache]: Analyzing trace with hash -781931664, now seen corresponding path program 178 times [2021-04-29 04:15:53,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:53,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827767478] [2021-04-29 04:15:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:53,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:53,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:53,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:53,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:53,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:53,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:53,913 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:53,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:53,946 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:15:53,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:15:53,978 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:54,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827767478] [2021-04-29 04:15:54,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:54,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:54,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383013877] [2021-04-29 04:15:54,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:54,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:54,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:54,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:54,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:54,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 642 transitions, 32878 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:54,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:54,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:54,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:55,733 INFO L129 PetriNetUnfolder]: 33/2746 cut-off events. [2021-04-29 04:15:55,734 INFO L130 PetriNetUnfolder]: For 155570/156911 co-relation queries the response was YES. [2021-04-29 04:15:55,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26192 conditions, 2746 events. 33/2746 cut-off events. For 155570/156911 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 41675 event pairs, 13 based on Foata normal form. 52/2747 useless extension candidates. Maximal degree in co-relation 26036. Up to 714 conditions per place. [2021-04-29 04:15:55,762 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 414 selfloop transitions, 231 changer transitions 3/660 dead transitions. [2021-04-29 04:15:55,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 660 transitions, 34562 flow [2021-04-29 04:15:55,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:15:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:15:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:15:55,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:15:55,763 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:15:55,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:15:55,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:55,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:15:55,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:55,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:55,764 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:55,764 INFO L185 Difference]: Start difference. First operand has 674 places, 642 transitions, 32878 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:15:55,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 660 transitions, 34562 flow [2021-04-29 04:15:57,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 660 transitions, 34090 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:15:57,686 INFO L241 Difference]: Finished difference. Result has 676 places, 639 transitions, 32736 flow [2021-04-29 04:15:57,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32412, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=642, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32736, PETRI_PLACES=676, PETRI_TRANSITIONS=639} [2021-04-29 04:15:57,687 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 632 predicate places. [2021-04-29 04:15:57,687 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:57,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 676 places, 639 transitions, 32736 flow [2021-04-29 04:15:57,687 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 676 places, 639 transitions, 32736 flow [2021-04-29 04:15:57,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 639 transitions, 32736 flow [2021-04-29 04:15:58,486 INFO L129 PetriNetUnfolder]: 0/2677 cut-off events. [2021-04-29 04:15:58,486 INFO L130 PetriNetUnfolder]: For 151481/151689 co-relation queries the response was YES. [2021-04-29 04:15:58,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24289 conditions, 2677 events. 0/2677 cut-off events. For 151481/151689 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 41123 event pairs, 0 based on Foata normal form. 3/2627 useless extension candidates. Maximal degree in co-relation 0. Up to 306 conditions per place. [2021-04-29 04:15:58,520 INFO L146 LiptonReduction]: Number of co-enabled transitions 2628 [2021-04-29 04:15:58,618 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:58,619 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:58,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 932 [2021-04-29 04:15:58,619 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 639 transitions, 32736 flow [2021-04-29 04:15:58,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:58,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:58,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:15:58,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-04-29 04:15:58,619 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:58,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1546987350, now seen corresponding path program 179 times [2021-04-29 04:15:58,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:58,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319352101] [2021-04-29 04:15:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:58,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:58,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:58,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:58,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:58,653 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:15:58,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:15:58,682 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:58,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:58,707 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:15:58,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:15:58,741 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:15:58,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:15:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:58,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319352101] [2021-04-29 04:15:58,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:58,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:15:58,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96682309] [2021-04-29 04:15:58,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:15:58,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:58,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:15:58,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:15:58,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:15:58,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 639 transitions, 32736 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:15:58,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:58,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:15:58,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:00,489 INFO L129 PetriNetUnfolder]: 33/2736 cut-off events. [2021-04-29 04:16:00,489 INFO L130 PetriNetUnfolder]: For 154875/156216 co-relation queries the response was YES. [2021-04-29 04:16:00,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26109 conditions, 2736 events. 33/2736 cut-off events. For 154875/156216 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 41498 event pairs, 13 based on Foata normal form. 52/2737 useless extension candidates. Maximal degree in co-relation 25954. Up to 714 conditions per place. [2021-04-29 04:16:00,517 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 407 selfloop transitions, 237 changer transitions 2/658 dead transitions. [2021-04-29 04:16:00,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 658 transitions, 34420 flow [2021-04-29 04:16:00,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:00,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:00,518 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:00,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:00,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:00,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:00,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:00,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:00,520 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:00,520 INFO L185 Difference]: Start difference. First operand has 674 places, 639 transitions, 32736 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:00,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 658 transitions, 34420 flow [2021-04-29 04:16:02,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 658 transitions, 33951 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:16:02,441 INFO L241 Difference]: Finished difference. Result has 677 places, 637 transitions, 32619 flow [2021-04-29 04:16:02,442 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32275, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32619, PETRI_PLACES=677, PETRI_TRANSITIONS=637} [2021-04-29 04:16:02,442 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 633 predicate places. [2021-04-29 04:16:02,442 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:02,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 677 places, 637 transitions, 32619 flow [2021-04-29 04:16:02,442 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 677 places, 637 transitions, 32619 flow [2021-04-29 04:16:02,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 676 places, 637 transitions, 32619 flow [2021-04-29 04:16:03,177 INFO L129 PetriNetUnfolder]: 0/2671 cut-off events. [2021-04-29 04:16:03,177 INFO L130 PetriNetUnfolder]: For 150968/151194 co-relation queries the response was YES. [2021-04-29 04:16:03,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24217 conditions, 2671 events. 0/2671 cut-off events. For 150968/151194 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 41106 event pairs, 0 based on Foata normal form. 4/2623 useless extension candidates. Maximal degree in co-relation 0. Up to 305 conditions per place. [2021-04-29 04:16:03,208 INFO L146 LiptonReduction]: Number of co-enabled transitions 2614 [2021-04-29 04:16:03,290 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:03,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:03,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 849 [2021-04-29 04:16:03,291 INFO L480 AbstractCegarLoop]: Abstraction has has 676 places, 637 transitions, 32619 flow [2021-04-29 04:16:03,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:03,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:03,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:03,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-04-29 04:16:03,291 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:03,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:03,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1832864786, now seen corresponding path program 180 times [2021-04-29 04:16:03,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:03,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507394868] [2021-04-29 04:16:03,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:03,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:03,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:03,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:03,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:03,308 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:03,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:03,328 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:16:03,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:16:03,357 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:03,382 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:03,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:03,418 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:03,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:03,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507394868] [2021-04-29 04:16:03,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:03,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:03,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515717580] [2021-04-29 04:16:03,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:03,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:03,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:03,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:03,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:03,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 676 places, 637 transitions, 32619 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:03,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:03,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:03,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:05,166 INFO L129 PetriNetUnfolder]: 33/2730 cut-off events. [2021-04-29 04:16:05,166 INFO L130 PetriNetUnfolder]: For 154430/155776 co-relation queries the response was YES. [2021-04-29 04:16:05,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26034 conditions, 2730 events. 33/2730 cut-off events. For 154430/155776 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 41345 event pairs, 13 based on Foata normal form. 54/2734 useless extension candidates. Maximal degree in co-relation 25879. Up to 714 conditions per place. [2021-04-29 04:16:05,194 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 406 selfloop transitions, 236 changer transitions 2/656 dead transitions. [2021-04-29 04:16:05,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 656 transitions, 34299 flow [2021-04-29 04:16:05,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:05,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:05,196 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:05,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:05,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:05,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:05,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:05,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:05,197 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:05,197 INFO L185 Difference]: Start difference. First operand has 676 places, 637 transitions, 32619 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:05,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 656 transitions, 34299 flow [2021-04-29 04:16:07,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 656 transitions, 33854 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-04-29 04:16:07,148 INFO L241 Difference]: Finished difference. Result has 680 places, 635 transitions, 32533 flow [2021-04-29 04:16:07,149 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32182, PETRI_DIFFERENCE_MINUEND_PLACES=672, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32533, PETRI_PLACES=680, PETRI_TRANSITIONS=635} [2021-04-29 04:16:07,149 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 636 predicate places. [2021-04-29 04:16:07,149 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:07,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 680 places, 635 transitions, 32533 flow [2021-04-29 04:16:07,149 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 680 places, 635 transitions, 32533 flow [2021-04-29 04:16:07,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 679 places, 635 transitions, 32533 flow [2021-04-29 04:16:07,899 INFO L129 PetriNetUnfolder]: 0/2661 cut-off events. [2021-04-29 04:16:07,899 INFO L130 PetriNetUnfolder]: For 150006/150199 co-relation queries the response was YES. [2021-04-29 04:16:07,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24150 conditions, 2661 events. 0/2661 cut-off events. For 150006/150199 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 40902 event pairs, 0 based on Foata normal form. 3/2610 useless extension candidates. Maximal degree in co-relation 0. Up to 304 conditions per place. [2021-04-29 04:16:07,931 INFO L146 LiptonReduction]: Number of co-enabled transitions 2608 [2021-04-29 04:16:08,023 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:08,023 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:08,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 874 [2021-04-29 04:16:08,023 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 635 transitions, 32533 flow [2021-04-29 04:16:08,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:08,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:08,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:08,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-04-29 04:16:08,024 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:08,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:08,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1267481168, now seen corresponding path program 181 times [2021-04-29 04:16:08,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:08,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861634695] [2021-04-29 04:16:08,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:08,040 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:08,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:08,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:16:08,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:16:08,088 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:16:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:16:08,124 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:16:08,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:16:08,151 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:08,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:08,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861634695] [2021-04-29 04:16:08,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:08,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:08,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687484007] [2021-04-29 04:16:08,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:08,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:08,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:08,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:08,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:08,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 635 transitions, 32533 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:08,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:08,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:08,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:09,883 INFO L129 PetriNetUnfolder]: 33/2720 cut-off events. [2021-04-29 04:16:09,884 INFO L130 PetriNetUnfolder]: For 153772/155118 co-relation queries the response was YES. [2021-04-29 04:16:09,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25963 conditions, 2720 events. 33/2720 cut-off events. For 153772/155118 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 41191 event pairs, 13 based on Foata normal form. 54/2724 useless extension candidates. Maximal degree in co-relation 25808. Up to 714 conditions per place. [2021-04-29 04:16:09,912 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 408 selfloop transitions, 231 changer transitions 2/653 dead transitions. [2021-04-29 04:16:09,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 653 transitions, 34203 flow [2021-04-29 04:16:09,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:16:09,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:16:09,913 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:16:09,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:16:09,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:09,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:16:09,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:09,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:09,914 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:09,914 INFO L185 Difference]: Start difference. First operand has 679 places, 635 transitions, 32533 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:16:09,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 686 places, 653 transitions, 34203 flow [2021-04-29 04:16:11,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 653 transitions, 33732 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:16:11,870 INFO L241 Difference]: Finished difference. Result has 682 places, 633 transitions, 32424 flow [2021-04-29 04:16:11,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32068, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32424, PETRI_PLACES=682, PETRI_TRANSITIONS=633} [2021-04-29 04:16:11,871 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 638 predicate places. [2021-04-29 04:16:11,871 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:11,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 682 places, 633 transitions, 32424 flow [2021-04-29 04:16:11,871 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 682 places, 633 transitions, 32424 flow [2021-04-29 04:16:11,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 680 places, 633 transitions, 32424 flow [2021-04-29 04:16:12,624 INFO L129 PetriNetUnfolder]: 0/2652 cut-off events. [2021-04-29 04:16:12,624 INFO L130 PetriNetUnfolder]: For 149596/149795 co-relation queries the response was YES. [2021-04-29 04:16:12,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24088 conditions, 2652 events. 0/2652 cut-off events. For 149596/149795 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 40758 event pairs, 0 based on Foata normal form. 3/2599 useless extension candidates. Maximal degree in co-relation 0. Up to 303 conditions per place. [2021-04-29 04:16:12,656 INFO L146 LiptonReduction]: Number of co-enabled transitions 2608 [2021-04-29 04:16:12,748 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:12,748 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:12,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 878 [2021-04-29 04:16:12,749 INFO L480 AbstractCegarLoop]: Abstraction has has 680 places, 633 transitions, 32424 flow [2021-04-29 04:16:12,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:12,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:12,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:12,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-04-29 04:16:12,749 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:12,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:12,750 INFO L82 PathProgramCache]: Analyzing trace with hash -2133719628, now seen corresponding path program 182 times [2021-04-29 04:16:12,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:12,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099753438] [2021-04-29 04:16:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:12,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:12,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:12,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:12,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:12,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:12,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:12,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:16:12,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:16:12,814 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:16:12,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:16:12,850 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:12,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:12,882 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:12,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:12,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099753438] [2021-04-29 04:16:12,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:12,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:12,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454914732] [2021-04-29 04:16:12,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:12,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:12,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:12,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:12,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:12,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 633 transitions, 32424 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:12,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:12,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:12,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:14,740 INFO L129 PetriNetUnfolder]: 33/2711 cut-off events. [2021-04-29 04:16:14,740 INFO L130 PetriNetUnfolder]: For 153141/154482 co-relation queries the response was YES. [2021-04-29 04:16:14,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25898 conditions, 2711 events. 33/2711 cut-off events. For 153141/154482 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 41007 event pairs, 13 based on Foata normal form. 52/2713 useless extension candidates. Maximal degree in co-relation 25743. Up to 714 conditions per place. [2021-04-29 04:16:14,764 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 406 selfloop transitions, 230 changer transitions 4/652 dead transitions. [2021-04-29 04:16:14,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 652 transitions, 34096 flow [2021-04-29 04:16:14,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:16:14,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:16:14,768 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:16:14,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:16:14,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:14,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:16:14,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:14,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:14,770 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:14,770 INFO L185 Difference]: Start difference. First operand has 680 places, 633 transitions, 32424 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:16:14,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 652 transitions, 34096 flow [2021-04-29 04:16:16,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 652 transitions, 33626 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:16:16,715 INFO L241 Difference]: Finished difference. Result has 683 places, 629 transitions, 32232 flow [2021-04-29 04:16:16,715 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31962, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32232, PETRI_PLACES=683, PETRI_TRANSITIONS=629} [2021-04-29 04:16:16,715 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 639 predicate places. [2021-04-29 04:16:16,715 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:16,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 683 places, 629 transitions, 32232 flow [2021-04-29 04:16:16,716 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 683 places, 629 transitions, 32232 flow [2021-04-29 04:16:16,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 681 places, 629 transitions, 32232 flow [2021-04-29 04:16:17,486 INFO L129 PetriNetUnfolder]: 0/2638 cut-off events. [2021-04-29 04:16:17,486 INFO L130 PetriNetUnfolder]: For 148616/148797 co-relation queries the response was YES. [2021-04-29 04:16:17,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23930 conditions, 2638 events. 0/2638 cut-off events. For 148616/148797 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 40461 event pairs, 0 based on Foata normal form. 3/2588 useless extension candidates. Maximal degree in co-relation 0. Up to 302 conditions per place. [2021-04-29 04:16:17,519 INFO L146 LiptonReduction]: Number of co-enabled transitions 2594 [2021-04-29 04:16:17,611 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:17,611 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:17,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 896 [2021-04-29 04:16:17,612 INFO L480 AbstractCegarLoop]: Abstraction has has 681 places, 629 transitions, 32232 flow [2021-04-29 04:16:17,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:17,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:17,612 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:17,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-04-29 04:16:17,612 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:17,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:17,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1651780670, now seen corresponding path program 183 times [2021-04-29 04:16:17,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:17,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673507215] [2021-04-29 04:16:17,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:17,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:17,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:17,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:16:17,635 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:17,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:17,662 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:17,698 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:16:17,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:16:17,737 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:17,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:17,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673507215] [2021-04-29 04:16:17,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:17,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:17,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815671411] [2021-04-29 04:16:17,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:17,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:17,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:17,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:17,770 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:17,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 629 transitions, 32232 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:17,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:17,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:17,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:19,577 INFO L129 PetriNetUnfolder]: 33/2891 cut-off events. [2021-04-29 04:16:19,577 INFO L130 PetriNetUnfolder]: For 162403/163453 co-relation queries the response was YES. [2021-04-29 04:16:19,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27607 conditions, 2891 events. 33/2891 cut-off events. For 162403/163453 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 44333 event pairs, 11 based on Foata normal form. 40/2877 useless extension candidates. Maximal degree in co-relation 27452. Up to 558 conditions per place. [2021-04-29 04:16:19,607 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 421 selfloop transitions, 298 changer transitions 2/733 dead transitions. [2021-04-29 04:16:19,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 733 transitions, 38268 flow [2021-04-29 04:16:19,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:19,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:19,608 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:19,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:19,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:19,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:19,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:19,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:19,609 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:19,609 INFO L185 Difference]: Start difference. First operand has 681 places, 629 transitions, 32232 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:19,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 733 transitions, 38268 flow [2021-04-29 04:16:21,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 733 transitions, 37705 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-04-29 04:16:21,691 INFO L241 Difference]: Finished difference. Result has 687 places, 673 transitions, 35032 flow [2021-04-29 04:16:21,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31761, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=35032, PETRI_PLACES=687, PETRI_TRANSITIONS=673} [2021-04-29 04:16:21,692 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 643 predicate places. [2021-04-29 04:16:21,692 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:21,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 687 places, 673 transitions, 35032 flow [2021-04-29 04:16:21,692 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 687 places, 673 transitions, 35032 flow [2021-04-29 04:16:21,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 686 places, 673 transitions, 35032 flow [2021-04-29 04:16:22,515 INFO L129 PetriNetUnfolder]: 0/2821 cut-off events. [2021-04-29 04:16:22,515 INFO L130 PetriNetUnfolder]: For 167204/167500 co-relation queries the response was YES. [2021-04-29 04:16:22,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25932 conditions, 2821 events. 0/2821 cut-off events. For 167204/167500 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 43876 event pairs, 0 based on Foata normal form. 6/2769 useless extension candidates. Maximal degree in co-relation 0. Up to 323 conditions per place. [2021-04-29 04:16:22,548 INFO L146 LiptonReduction]: Number of co-enabled transitions 2764 [2021-04-29 04:16:22,652 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:22,652 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:22,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 960 [2021-04-29 04:16:22,652 INFO L480 AbstractCegarLoop]: Abstraction has has 686 places, 673 transitions, 35032 flow [2021-04-29 04:16:22,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:22,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:22,653 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:22,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-04-29 04:16:22,653 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:22,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:22,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1629093480, now seen corresponding path program 184 times [2021-04-29 04:16:22,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:22,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702938710] [2021-04-29 04:16:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:22,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:22,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:22,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:22,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:22,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:22,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:16:22,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:22,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:22,696 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:22,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:22,721 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:16:22,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:16:22,756 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:22,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:22,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702938710] [2021-04-29 04:16:22,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:22,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:22,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440757033] [2021-04-29 04:16:22,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:22,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:22,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:22,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:22,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:22,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 673 transitions, 35032 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:22,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:22,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:22,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:24,916 INFO L129 PetriNetUnfolder]: 25/3276 cut-off events. [2021-04-29 04:16:24,917 INFO L130 PetriNetUnfolder]: For 191732/192788 co-relation queries the response was YES. [2021-04-29 04:16:24,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31236 conditions, 3276 events. 25/3276 cut-off events. For 191732/192788 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 51447 event pairs, 6 based on Foata normal form. 10/3225 useless extension candidates. Maximal degree in co-relation 31078. Up to 628 conditions per place. [2021-04-29 04:16:24,950 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 512 selfloop transitions, 302 changer transitions 3/829 dead transitions. [2021-04-29 04:16:24,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 829 transitions, 44003 flow [2021-04-29 04:16:24,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:24,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:24,951 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:24,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:24,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:24,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:24,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:24,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:24,952 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:24,952 INFO L185 Difference]: Start difference. First operand has 686 places, 673 transitions, 35032 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:24,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 829 transitions, 44003 flow [2021-04-29 04:16:27,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 829 transitions, 43562 flow, removed 74 selfloop flow, removed 6 redundant places. [2021-04-29 04:16:27,303 INFO L241 Difference]: Finished difference. Result has 693 places, 721 transitions, 38094 flow [2021-04-29 04:16:27,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=34705, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=673, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=38094, PETRI_PLACES=693, PETRI_TRANSITIONS=721} [2021-04-29 04:16:27,304 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 649 predicate places. [2021-04-29 04:16:27,304 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:27,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 693 places, 721 transitions, 38094 flow [2021-04-29 04:16:27,304 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 693 places, 721 transitions, 38094 flow [2021-04-29 04:16:27,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 692 places, 721 transitions, 38094 flow [2021-04-29 04:16:28,283 INFO L129 PetriNetUnfolder]: 0/3220 cut-off events. [2021-04-29 04:16:28,283 INFO L130 PetriNetUnfolder]: For 195281/195425 co-relation queries the response was YES. [2021-04-29 04:16:28,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29853 conditions, 3220 events. 0/3220 cut-off events. For 195281/195425 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 51180 event pairs, 0 based on Foata normal form. 12/3171 useless extension candidates. Maximal degree in co-relation 0. Up to 366 conditions per place. [2021-04-29 04:16:28,324 INFO L146 LiptonReduction]: Number of co-enabled transitions 2940 [2021-04-29 04:16:28,442 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:28,442 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:28,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1138 [2021-04-29 04:16:28,442 INFO L480 AbstractCegarLoop]: Abstraction has has 692 places, 721 transitions, 38094 flow [2021-04-29 04:16:28,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:28,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:28,442 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:28,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-04-29 04:16:28,443 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:28,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash -564347022, now seen corresponding path program 185 times [2021-04-29 04:16:28,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:28,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574321101] [2021-04-29 04:16:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:28,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:16:28,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:16:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:16:28,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:28,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:28,521 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:28,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:28,552 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:28,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:28,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574321101] [2021-04-29 04:16:28,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:28,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:28,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567267494] [2021-04-29 04:16:28,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:28,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:28,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:28,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:28,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:28,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 692 places, 721 transitions, 38094 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:28,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:28,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:28,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:31,056 INFO L129 PetriNetUnfolder]: 21/3608 cut-off events. [2021-04-29 04:16:31,056 INFO L130 PetriNetUnfolder]: For 217793/218820 co-relation queries the response was YES. [2021-04-29 04:16:31,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34850 conditions, 3608 events. 21/3608 cut-off events. For 217793/218820 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 57805 event pairs, 4 based on Foata normal form. 24/3567 useless extension candidates. Maximal degree in co-relation 34690. Up to 724 conditions per place. [2021-04-29 04:16:31,094 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 522 selfloop transitions, 335 changer transitions 2/871 dead transitions. [2021-04-29 04:16:31,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 699 places, 871 transitions, 46587 flow [2021-04-29 04:16:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:31,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:31,095 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:31,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:31,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:31,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:31,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:31,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:31,097 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:31,097 INFO L185 Difference]: Start difference. First operand has 692 places, 721 transitions, 38094 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:31,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 699 places, 871 transitions, 46587 flow [2021-04-29 04:16:33,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 696 places, 871 transitions, 46351 flow, removed 37 selfloop flow, removed 3 redundant places. [2021-04-29 04:16:33,890 INFO L241 Difference]: Finished difference. Result has 702 places, 775 transitions, 41590 flow [2021-04-29 04:16:33,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=37935, PETRI_DIFFERENCE_MINUEND_PLACES=689, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=721, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41590, PETRI_PLACES=702, PETRI_TRANSITIONS=775} [2021-04-29 04:16:33,891 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 658 predicate places. [2021-04-29 04:16:33,891 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:33,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 775 transitions, 41590 flow [2021-04-29 04:16:33,892 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 775 transitions, 41590 flow [2021-04-29 04:16:33,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 701 places, 775 transitions, 41590 flow [2021-04-29 04:16:35,090 INFO L129 PetriNetUnfolder]: 0/3560 cut-off events. [2021-04-29 04:16:35,091 INFO L130 PetriNetUnfolder]: For 227523/227862 co-relation queries the response was YES. [2021-04-29 04:16:35,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33531 conditions, 3560 events. 0/3560 cut-off events. For 227523/227862 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 57515 event pairs, 0 based on Foata normal form. 19/3498 useless extension candidates. Maximal degree in co-relation 0. Up to 403 conditions per place. [2021-04-29 04:16:35,134 INFO L146 LiptonReduction]: Number of co-enabled transitions 3126 [2021-04-29 04:16:35,273 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:35,273 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:35,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1382 [2021-04-29 04:16:35,273 INFO L480 AbstractCegarLoop]: Abstraction has has 701 places, 775 transitions, 41590 flow [2021-04-29 04:16:35,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:35,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:35,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:35,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-04-29 04:16:35,274 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:35,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:35,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2106849760, now seen corresponding path program 186 times [2021-04-29 04:16:35,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:35,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9374918] [2021-04-29 04:16:35,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:35,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:35,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:35,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:35,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:35,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:35,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:16:35,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:35,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:16:35,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:35,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:35,338 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:16:35,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:16:35,371 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:35,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:35,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9374918] [2021-04-29 04:16:35,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:35,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:35,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644144009] [2021-04-29 04:16:35,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:35,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:35,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:35,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:35,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:35,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 775 transitions, 41590 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:35,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:35,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:35,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:38,097 INFO L129 PetriNetUnfolder]: 17/3698 cut-off events. [2021-04-29 04:16:38,097 INFO L130 PetriNetUnfolder]: For 235389/236334 co-relation queries the response was YES. [2021-04-29 04:16:38,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36324 conditions, 3698 events. 17/3698 cut-off events. For 235389/236334 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 59580 event pairs, 11 based on Foata normal form. 27/3665 useless extension candidates. Maximal degree in co-relation 36160. Up to 756 conditions per place. [2021-04-29 04:16:38,137 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 526 selfloop transitions, 343 changer transitions 3/884 dead transitions. [2021-04-29 04:16:38,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 708 places, 884 transitions, 48422 flow [2021-04-29 04:16:38,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:38,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:38,138 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:38,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:38,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:38,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:38,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:38,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:38,139 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:38,139 INFO L185 Difference]: Start difference. First operand has 701 places, 775 transitions, 41590 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:38,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 708 places, 884 transitions, 48422 flow [2021-04-29 04:16:41,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 884 transitions, 48054 flow, removed 81 selfloop flow, removed 4 redundant places. [2021-04-29 04:16:41,203 INFO L241 Difference]: Finished difference. Result has 710 places, 807 transitions, 44007 flow [2021-04-29 04:16:41,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41271, PETRI_DIFFERENCE_MINUEND_PLACES=697, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44007, PETRI_PLACES=710, PETRI_TRANSITIONS=807} [2021-04-29 04:16:41,204 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 666 predicate places. [2021-04-29 04:16:41,204 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:41,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 710 places, 807 transitions, 44007 flow [2021-04-29 04:16:41,204 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 710 places, 807 transitions, 44007 flow [2021-04-29 04:16:41,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 709 places, 807 transitions, 44007 flow [2021-04-29 04:16:42,484 INFO L129 PetriNetUnfolder]: 0/3655 cut-off events. [2021-04-29 04:16:42,484 INFO L130 PetriNetUnfolder]: For 242153/242405 co-relation queries the response was YES. [2021-04-29 04:16:42,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34844 conditions, 3655 events. 0/3655 cut-off events. For 242153/242405 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 59291 event pairs, 0 based on Foata normal form. 14/3589 useless extension candidates. Maximal degree in co-relation 0. Up to 413 conditions per place. [2021-04-29 04:16:42,530 INFO L146 LiptonReduction]: Number of co-enabled transitions 3234 [2021-04-29 04:16:42,679 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:42,679 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:42,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1475 [2021-04-29 04:16:42,679 INFO L480 AbstractCegarLoop]: Abstraction has has 709 places, 807 transitions, 44007 flow [2021-04-29 04:16:42,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:42,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:42,680 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:42,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-04-29 04:16:42,680 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:42,681 INFO L82 PathProgramCache]: Analyzing trace with hash -2111609684, now seen corresponding path program 187 times [2021-04-29 04:16:42,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:42,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325227453] [2021-04-29 04:16:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:42,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:42,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:42,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:42,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:42,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:42,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:16:42,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:16:42,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:16:42,736 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:42,761 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:42,791 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:42,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:42,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325227453] [2021-04-29 04:16:42,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:42,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:42,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86827887] [2021-04-29 04:16:42,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:42,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:42,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:42,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:42,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:42,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 709 places, 807 transitions, 44007 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:42,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:42,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:42,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:45,784 INFO L129 PetriNetUnfolder]: 16/3742 cut-off events. [2021-04-29 04:16:45,784 INFO L130 PetriNetUnfolder]: For 247490/247898 co-relation queries the response was YES. [2021-04-29 04:16:45,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37328 conditions, 3742 events. 16/3742 cut-off events. For 247490/247898 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 60424 event pairs, 10 based on Foata normal form. 19/3706 useless extension candidates. Maximal degree in co-relation 37160. Up to 775 conditions per place. [2021-04-29 04:16:45,825 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 538 selfloop transitions, 353 changer transitions 2/905 dead transitions. [2021-04-29 04:16:45,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 716 places, 905 transitions, 50403 flow [2021-04-29 04:16:45,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:45,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:45,827 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:45,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:45,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:45,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:45,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:45,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:45,828 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:45,828 INFO L185 Difference]: Start difference. First operand has 709 places, 807 transitions, 44007 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:45,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 716 places, 905 transitions, 50403 flow [2021-04-29 04:16:49,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 905 transitions, 50092 flow, removed 63 selfloop flow, removed 4 redundant places. [2021-04-29 04:16:49,108 INFO L241 Difference]: Finished difference. Result has 718 places, 826 transitions, 45782 flow [2021-04-29 04:16:49,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43716, PETRI_DIFFERENCE_MINUEND_PLACES=705, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=334, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45782, PETRI_PLACES=718, PETRI_TRANSITIONS=826} [2021-04-29 04:16:49,108 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 674 predicate places. [2021-04-29 04:16:49,108 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:49,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 718 places, 826 transitions, 45782 flow [2021-04-29 04:16:49,109 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 718 places, 826 transitions, 45782 flow [2021-04-29 04:16:49,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 717 places, 826 transitions, 45782 flow [2021-04-29 04:16:50,366 INFO L129 PetriNetUnfolder]: 0/3703 cut-off events. [2021-04-29 04:16:50,367 INFO L130 PetriNetUnfolder]: For 256437/256698 co-relation queries the response was YES. [2021-04-29 04:16:50,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35919 conditions, 3703 events. 0/3703 cut-off events. For 256437/256698 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 60196 event pairs, 0 based on Foata normal form. 9/3635 useless extension candidates. Maximal degree in co-relation 0. Up to 418 conditions per place. [2021-04-29 04:16:50,413 INFO L146 LiptonReduction]: Number of co-enabled transitions 3294 [2021-04-29 04:16:50,563 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:50,563 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:50,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1455 [2021-04-29 04:16:50,563 INFO L480 AbstractCegarLoop]: Abstraction has has 717 places, 826 transitions, 45782 flow [2021-04-29 04:16:50,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:50,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:50,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:50,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-04-29 04:16:50,564 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:50,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:50,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1133602370, now seen corresponding path program 188 times [2021-04-29 04:16:50,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:50,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970666229] [2021-04-29 04:16:50,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:50,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:50,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:50,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:16:50,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:16:50,601 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:16:50,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:16:50,626 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:50,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:50,658 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:50,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:50,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970666229] [2021-04-29 04:16:50,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:50,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:50,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257029641] [2021-04-29 04:16:50,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:50,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:50,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:50,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:50,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 717 places, 826 transitions, 45782 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:50,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:50,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:50,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:53,654 INFO L129 PetriNetUnfolder]: 14/3759 cut-off events. [2021-04-29 04:16:53,654 INFO L130 PetriNetUnfolder]: For 262046/263319 co-relation queries the response was YES. [2021-04-29 04:16:53,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38129 conditions, 3759 events. 14/3759 cut-off events. For 262046/263319 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 60786 event pairs, 14 based on Foata normal form. 54/3755 useless extension candidates. Maximal degree in co-relation 37958. Up to 752 conditions per place. [2021-04-29 04:16:53,696 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 399 changer transitions 2/900 dead transitions. [2021-04-29 04:16:53,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 724 places, 900 transitions, 51064 flow [2021-04-29 04:16:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:16:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:16:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:16:53,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:16:53,697 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:16:53,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:16:53,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:53,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:16:53,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:53,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:53,698 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:53,698 INFO L185 Difference]: Start difference. First operand has 717 places, 826 transitions, 45782 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:16:53,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 724 places, 900 transitions, 51064 flow [2021-04-29 04:16:57,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 721 places, 900 transitions, 50771 flow, removed 60 selfloop flow, removed 3 redundant places. [2021-04-29 04:16:57,271 INFO L241 Difference]: Finished difference. Result has 727 places, 851 transitions, 48209 flow [2021-04-29 04:16:57,271 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45501, PETRI_DIFFERENCE_MINUEND_PLACES=714, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=826, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=48209, PETRI_PLACES=727, PETRI_TRANSITIONS=851} [2021-04-29 04:16:57,271 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 683 predicate places. [2021-04-29 04:16:57,271 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:57,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 727 places, 851 transitions, 48209 flow [2021-04-29 04:16:57,272 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 727 places, 851 transitions, 48209 flow [2021-04-29 04:16:57,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 726 places, 851 transitions, 48209 flow [2021-04-29 04:16:58,607 INFO L129 PetriNetUnfolder]: 0/3724 cut-off events. [2021-04-29 04:16:58,607 INFO L130 PetriNetUnfolder]: For 271939/272452 co-relation queries the response was YES. [2021-04-29 04:16:58,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36780 conditions, 3724 events. 0/3724 cut-off events. For 271939/272452 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 60564 event pairs, 0 based on Foata normal form. 17/3658 useless extension candidates. Maximal degree in co-relation 0. Up to 420 conditions per place. [2021-04-29 04:16:58,655 INFO L146 LiptonReduction]: Number of co-enabled transitions 3390 [2021-04-29 04:16:58,824 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:16:58,824 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:16:58,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1553 [2021-04-29 04:16:58,825 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 851 transitions, 48209 flow [2021-04-29 04:16:58,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:58,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:16:58,825 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:16:58,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-04-29 04:16:58,825 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:16:58,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:16:58,825 INFO L82 PathProgramCache]: Analyzing trace with hash 754153900, now seen corresponding path program 189 times [2021-04-29 04:16:58,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:16:58,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824777499] [2021-04-29 04:16:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:16:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:16:58,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:58,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:16:58,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:58,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:16:58,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:16:58,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:16:58,847 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:16:58,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:16:58,864 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:16:58,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:16:58,886 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:16:58,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:16:58,919 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:16:58,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:16:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:16:58,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824777499] [2021-04-29 04:16:58,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:16:58,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:16:58,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560770265] [2021-04-29 04:16:58,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:16:58,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:16:58,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:16:58,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:16:58,953 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:16:58,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 851 transitions, 48209 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:16:58,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:16:58,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:16:58,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:02,392 INFO L129 PetriNetUnfolder]: 14/3750 cut-off events. [2021-04-29 04:17:02,392 INFO L130 PetriNetUnfolder]: For 273290/273803 co-relation queries the response was YES. [2021-04-29 04:17:02,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38761 conditions, 3750 events. 14/3750 cut-off events. For 273290/273803 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 60597 event pairs, 14 based on Foata normal form. 42/3737 useless extension candidates. Maximal degree in co-relation 38586. Up to 752 conditions per place. [2021-04-29 04:17:02,435 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 385 changer transitions 2/886 dead transitions. [2021-04-29 04:17:02,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 886 transitions, 51503 flow [2021-04-29 04:17:02,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:17:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:17:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:17:02,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:17:02,436 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:17:02,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:17:02,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:02,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:17:02,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:02,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:02,437 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:02,437 INFO L185 Difference]: Start difference. First operand has 726 places, 851 transitions, 48209 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:17:02,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 886 transitions, 51503 flow [2021-04-29 04:17:06,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 730 places, 886 transitions, 51194 flow, removed 68 selfloop flow, removed 3 redundant places. [2021-04-29 04:17:06,241 INFO L241 Difference]: Finished difference. Result has 732 places, 866 transitions, 49597 flow [2021-04-29 04:17:06,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47908, PETRI_DIFFERENCE_MINUEND_PLACES=723, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=368, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=49597, PETRI_PLACES=732, PETRI_TRANSITIONS=866} [2021-04-29 04:17:06,242 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 688 predicate places. [2021-04-29 04:17:06,242 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:06,242 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 732 places, 866 transitions, 49597 flow [2021-04-29 04:17:06,242 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 732 places, 866 transitions, 49597 flow [2021-04-29 04:17:06,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 731 places, 866 transitions, 49597 flow [2021-04-29 04:17:07,610 INFO L129 PetriNetUnfolder]: 0/3717 cut-off events. [2021-04-29 04:17:07,610 INFO L130 PetriNetUnfolder]: For 278097/278603 co-relation queries the response was YES. [2021-04-29 04:17:07,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37178 conditions, 3717 events. 0/3717 cut-off events. For 278097/278603 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 60391 event pairs, 0 based on Foata normal form. 16/3657 useless extension candidates. Maximal degree in co-relation 0. Up to 419 conditions per place. [2021-04-29 04:17:07,661 INFO L146 LiptonReduction]: Number of co-enabled transitions 3396 [2021-04-29 04:17:07,837 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:07,837 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:07,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1595 [2021-04-29 04:17:07,838 INFO L480 AbstractCegarLoop]: Abstraction has has 731 places, 866 transitions, 49597 flow [2021-04-29 04:17:07,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:07,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:07,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:07,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-04-29 04:17:07,838 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:07,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:07,838 INFO L82 PathProgramCache]: Analyzing trace with hash 656250636, now seen corresponding path program 190 times [2021-04-29 04:17:07,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:07,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056019089] [2021-04-29 04:17:07,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:07,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:07,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:07,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:07,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:07,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:17:07,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:17:07,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:17:07,880 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:17:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:17:07,920 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:17:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:17:07,956 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:17:07,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:07,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056019089] [2021-04-29 04:17:07,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:07,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:17:07,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103021822] [2021-04-29 04:17:07,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:17:07,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:07,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:17:07,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:17:07,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:17:07,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 866 transitions, 49597 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:07,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:07,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:17:07,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:11,338 INFO L129 PetriNetUnfolder]: 14/3743 cut-off events. [2021-04-29 04:17:11,338 INFO L130 PetriNetUnfolder]: For 279422/279935 co-relation queries the response was YES. [2021-04-29 04:17:11,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39153 conditions, 3743 events. 14/3743 cut-off events. For 279422/279935 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 60423 event pairs, 14 based on Foata normal form. 42/3730 useless extension candidates. Maximal degree in co-relation 38978. Up to 752 conditions per place. [2021-04-29 04:17:11,377 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 481 selfloop transitions, 389 changer transitions 2/884 dead transitions. [2021-04-29 04:17:11,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 738 places, 884 transitions, 52051 flow [2021-04-29 04:17:11,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:17:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:17:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:17:11,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:17:11,378 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:17:11,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:17:11,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:11,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:17:11,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:11,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:11,379 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:11,379 INFO L185 Difference]: Start difference. First operand has 731 places, 866 transitions, 49597 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:17:11,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 738 places, 884 transitions, 52051 flow [2021-04-29 04:17:14,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 735 places, 884 transitions, 51834 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-04-29 04:17:14,874 INFO L241 Difference]: Finished difference. Result has 737 places, 872 transitions, 50583 flow [2021-04-29 04:17:14,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=49388, PETRI_DIFFERENCE_MINUEND_PLACES=728, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50583, PETRI_PLACES=737, PETRI_TRANSITIONS=872} [2021-04-29 04:17:14,875 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 693 predicate places. [2021-04-29 04:17:14,875 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:14,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 737 places, 872 transitions, 50583 flow [2021-04-29 04:17:14,875 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 737 places, 872 transitions, 50583 flow [2021-04-29 04:17:14,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 736 places, 872 transitions, 50583 flow [2021-04-29 04:17:16,238 INFO L129 PetriNetUnfolder]: 0/3710 cut-off events. [2021-04-29 04:17:16,238 INFO L130 PetriNetUnfolder]: For 283105/283611 co-relation queries the response was YES. [2021-04-29 04:17:16,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37555 conditions, 3710 events. 0/3710 cut-off events. For 283105/283611 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 60287 event pairs, 0 based on Foata normal form. 16/3650 useless extension candidates. Maximal degree in co-relation 0. Up to 418 conditions per place. [2021-04-29 04:17:16,287 INFO L146 LiptonReduction]: Number of co-enabled transitions 3432 [2021-04-29 04:17:16,462 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:16,462 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:16,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1587 [2021-04-29 04:17:16,463 INFO L480 AbstractCegarLoop]: Abstraction has has 736 places, 872 transitions, 50583 flow [2021-04-29 04:17:16,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:16,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:16,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:16,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-04-29 04:17:16,463 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:16,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:16,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1281803010, now seen corresponding path program 191 times [2021-04-29 04:17:16,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:16,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054544818] [2021-04-29 04:17:16,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:16,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:16,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:16,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:16,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:16,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:16,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:17:16,487 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:16,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:16,514 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:17:16,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:17:16,551 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:17:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:17:16,585 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:17:16,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:16,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054544818] [2021-04-29 04:17:16,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:16,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:17:16,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68169178] [2021-04-29 04:17:16,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:17:16,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:16,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:17:16,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:17:16,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:17:16,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 736 places, 872 transitions, 50583 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:16,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:16,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:17:16,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:19,967 INFO L129 PetriNetUnfolder]: 14/3736 cut-off events. [2021-04-29 04:17:19,967 INFO L130 PetriNetUnfolder]: For 284324/284834 co-relation queries the response was YES. [2021-04-29 04:17:19,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39527 conditions, 3736 events. 14/3736 cut-off events. For 284324/284834 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 60329 event pairs, 14 based on Foata normal form. 41/3723 useless extension candidates. Maximal degree in co-relation 39352. Up to 752 conditions per place. [2021-04-29 04:17:20,006 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 493 selfloop transitions, 375 changer transitions 2/882 dead transitions. [2021-04-29 04:17:20,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 743 places, 882 transitions, 52551 flow [2021-04-29 04:17:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:17:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:17:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:17:20,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:17:20,007 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:17:20,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:17:20,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:20,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:17:20,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:20,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:20,009 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:20,009 INFO L185 Difference]: Start difference. First operand has 736 places, 872 transitions, 50583 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:17:20,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 743 places, 882 transitions, 52551 flow [2021-04-29 04:17:23,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 882 transitions, 51757 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-04-29 04:17:23,516 INFO L241 Difference]: Finished difference. Result has 740 places, 870 transitions, 50438 flow [2021-04-29 04:17:23,517 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=49797, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=872, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50438, PETRI_PLACES=740, PETRI_TRANSITIONS=870} [2021-04-29 04:17:23,517 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 696 predicate places. [2021-04-29 04:17:23,517 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:23,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 740 places, 870 transitions, 50438 flow [2021-04-29 04:17:23,517 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 740 places, 870 transitions, 50438 flow [2021-04-29 04:17:23,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 870 transitions, 50438 flow [2021-04-29 04:17:24,886 INFO L129 PetriNetUnfolder]: 0/3701 cut-off events. [2021-04-29 04:17:24,886 INFO L130 PetriNetUnfolder]: For 280757/281133 co-relation queries the response was YES. [2021-04-29 04:17:24,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37517 conditions, 3701 events. 0/3701 cut-off events. For 280757/281133 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 60122 event pairs, 0 based on Foata normal form. 14/3640 useless extension candidates. Maximal degree in co-relation 0. Up to 417 conditions per place. [2021-04-29 04:17:24,935 INFO L146 LiptonReduction]: Number of co-enabled transitions 3432 [2021-04-29 04:17:25,110 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:25,111 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:25,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1594 [2021-04-29 04:17:25,111 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 870 transitions, 50438 flow [2021-04-29 04:17:25,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:25,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:25,111 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:25,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-04-29 04:17:25,111 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:25,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:25,112 INFO L82 PathProgramCache]: Analyzing trace with hash -522015986, now seen corresponding path program 192 times [2021-04-29 04:17:25,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:25,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719648629] [2021-04-29 04:17:25,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:25,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:25,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:25,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:25,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:25,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:25,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:17:25,137 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:25,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:25,164 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:17:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:17:25,190 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:17:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:17:25,223 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:17:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:25,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719648629] [2021-04-29 04:17:25,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:25,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:17:25,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031583716] [2021-04-29 04:17:25,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:17:25,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:25,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:17:25,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:17:25,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:17:25,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 870 transitions, 50438 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:25,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:25,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:17:25,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:28,572 INFO L129 PetriNetUnfolder]: 14/3727 cut-off events. [2021-04-29 04:17:28,573 INFO L130 PetriNetUnfolder]: For 282733/283243 co-relation queries the response was YES. [2021-04-29 04:17:28,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39486 conditions, 3727 events. 14/3727 cut-off events. For 282733/283243 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 60155 event pairs, 14 based on Foata normal form. 41/3714 useless extension candidates. Maximal degree in co-relation 39311. Up to 752 conditions per place. [2021-04-29 04:17:28,616 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 490 selfloop transitions, 376 changer transitions 2/880 dead transitions. [2021-04-29 04:17:28,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 880 transitions, 52402 flow [2021-04-29 04:17:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:17:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:17:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:17:28,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:17:28,617 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:17:28,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:17:28,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:28,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:17:28,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:28,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:28,618 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:28,618 INFO L185 Difference]: Start difference. First operand has 739 places, 870 transitions, 50438 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:17:28,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 880 transitions, 52402 flow [2021-04-29 04:17:32,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 743 places, 880 transitions, 52027 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-04-29 04:17:32,295 INFO L241 Difference]: Finished difference. Result has 744 places, 868 transitions, 50685 flow [2021-04-29 04:17:32,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50071, PETRI_DIFFERENCE_MINUEND_PLACES=736, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=376, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50685, PETRI_PLACES=744, PETRI_TRANSITIONS=868} [2021-04-29 04:17:32,295 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 700 predicate places. [2021-04-29 04:17:32,295 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:32,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 744 places, 868 transitions, 50685 flow [2021-04-29 04:17:32,296 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 744 places, 868 transitions, 50685 flow [2021-04-29 04:17:32,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 743 places, 868 transitions, 50685 flow [2021-04-29 04:17:33,677 INFO L129 PetriNetUnfolder]: 0/3696 cut-off events. [2021-04-29 04:17:33,677 INFO L130 PetriNetUnfolder]: For 280661/281037 co-relation queries the response was YES. [2021-04-29 04:17:33,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37782 conditions, 3696 events. 0/3696 cut-off events. For 280661/281037 co-relation queries the response was YES. Maximal size of possible extension queue 622. Compared 60031 event pairs, 0 based on Foata normal form. 14/3631 useless extension candidates. Maximal degree in co-relation 0. Up to 416 conditions per place. [2021-04-29 04:17:33,726 INFO L146 LiptonReduction]: Number of co-enabled transitions 3412 [2021-04-29 04:17:33,901 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:33,901 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:33,901 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1606 [2021-04-29 04:17:33,902 INFO L480 AbstractCegarLoop]: Abstraction has has 743 places, 868 transitions, 50685 flow [2021-04-29 04:17:33,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:33,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:33,902 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:33,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-04-29 04:17:33,902 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:33,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:33,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1958936404, now seen corresponding path program 193 times [2021-04-29 04:17:33,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:33,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266761499] [2021-04-29 04:17:33,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:33,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:33,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:33,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:33,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:33,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:33,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:17:33,925 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:33,950 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:17:33,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:17:33,975 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:17:33,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:17:34,007 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:17:34,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:34,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266761499] [2021-04-29 04:17:34,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:34,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:17:34,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823701487] [2021-04-29 04:17:34,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:17:34,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:34,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:17:34,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:17:34,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:17:34,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 743 places, 868 transitions, 50685 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:34,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:34,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:17:34,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:37,270 INFO L129 PetriNetUnfolder]: 14/3722 cut-off events. [2021-04-29 04:17:37,271 INFO L130 PetriNetUnfolder]: For 282663/283176 co-relation queries the response was YES. [2021-04-29 04:17:37,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39748 conditions, 3722 events. 14/3722 cut-off events. For 282663/283176 co-relation queries the response was YES. Maximal size of possible extension queue 622. Compared 60086 event pairs, 14 based on Foata normal form. 42/3711 useless extension candidates. Maximal degree in co-relation 39574. Up to 752 conditions per place. [2021-04-29 04:17:37,312 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 490 selfloop transitions, 374 changer transitions 2/878 dead transitions. [2021-04-29 04:17:37,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 878 transitions, 52645 flow [2021-04-29 04:17:37,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:17:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:17:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:17:37,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:17:37,314 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:17:37,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:17:37,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:37,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:17:37,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:37,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:37,315 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:37,315 INFO L185 Difference]: Start difference. First operand has 743 places, 868 transitions, 50685 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:17:37,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 878 transitions, 52645 flow [2021-04-29 04:17:40,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 746 places, 878 transitions, 51918 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-04-29 04:17:41,014 INFO L241 Difference]: Finished difference. Result has 747 places, 866 transitions, 50592 flow [2021-04-29 04:17:41,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=49966, PETRI_DIFFERENCE_MINUEND_PLACES=739, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=868, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50592, PETRI_PLACES=747, PETRI_TRANSITIONS=866} [2021-04-29 04:17:41,014 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 703 predicate places. [2021-04-29 04:17:41,014 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:41,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 747 places, 866 transitions, 50592 flow [2021-04-29 04:17:41,015 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 747 places, 866 transitions, 50592 flow [2021-04-29 04:17:41,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 746 places, 866 transitions, 50592 flow [2021-04-29 04:17:42,402 INFO L129 PetriNetUnfolder]: 0/3686 cut-off events. [2021-04-29 04:17:42,402 INFO L130 PetriNetUnfolder]: For 279065/279376 co-relation queries the response was YES. [2021-04-29 04:17:42,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37722 conditions, 3686 events. 0/3686 cut-off events. For 279065/279376 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 59888 event pairs, 0 based on Foata normal form. 11/3623 useless extension candidates. Maximal degree in co-relation 0. Up to 415 conditions per place. [2021-04-29 04:17:42,451 INFO L146 LiptonReduction]: Number of co-enabled transitions 3400 [2021-04-29 04:17:42,622 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:42,622 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:42,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1608 [2021-04-29 04:17:42,623 INFO L480 AbstractCegarLoop]: Abstraction has has 746 places, 866 transitions, 50592 flow [2021-04-29 04:17:42,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:42,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:42,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:42,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-04-29 04:17:42,623 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:42,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:42,623 INFO L82 PathProgramCache]: Analyzing trace with hash 737305388, now seen corresponding path program 194 times [2021-04-29 04:17:42,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:42,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041278661] [2021-04-29 04:17:42,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:42,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:42,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:42,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:42,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:42,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:17:42,647 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:42,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:42,674 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:17:42,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:17:42,711 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:17:42,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:17:42,743 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:17:42,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:42,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041278661] [2021-04-29 04:17:42,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:42,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:17:42,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95570175] [2021-04-29 04:17:42,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:17:42,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:42,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:17:42,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:17:42,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:17:42,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 746 places, 866 transitions, 50592 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:42,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:42,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:17:42,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:46,128 INFO L129 PetriNetUnfolder]: 14/3712 cut-off events. [2021-04-29 04:17:46,128 INFO L130 PetriNetUnfolder]: For 281340/281853 co-relation queries the response was YES. [2021-04-29 04:17:46,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39684 conditions, 3712 events. 14/3712 cut-off events. For 281340/281853 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 59857 event pairs, 14 based on Foata normal form. 42/3701 useless extension candidates. Maximal degree in co-relation 39510. Up to 752 conditions per place. [2021-04-29 04:17:46,166 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 375 changer transitions 2/876 dead transitions. [2021-04-29 04:17:46,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 753 places, 876 transitions, 52548 flow [2021-04-29 04:17:46,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:17:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:17:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:17:46,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:17:46,167 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:17:46,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:17:46,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:46,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:17:46,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:46,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:46,168 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:46,168 INFO L185 Difference]: Start difference. First operand has 746 places, 866 transitions, 50592 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:17:46,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 753 places, 876 transitions, 52548 flow [2021-04-29 04:17:49,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 748 places, 876 transitions, 51676 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:17:49,662 INFO L241 Difference]: Finished difference. Result has 749 places, 864 transitions, 50352 flow [2021-04-29 04:17:49,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=49728, PETRI_DIFFERENCE_MINUEND_PLACES=741, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50352, PETRI_PLACES=749, PETRI_TRANSITIONS=864} [2021-04-29 04:17:49,663 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 705 predicate places. [2021-04-29 04:17:49,663 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:49,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 864 transitions, 50352 flow [2021-04-29 04:17:49,663 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 864 transitions, 50352 flow [2021-04-29 04:17:49,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 748 places, 864 transitions, 50352 flow [2021-04-29 04:17:51,026 INFO L129 PetriNetUnfolder]: 0/3677 cut-off events. [2021-04-29 04:17:51,026 INFO L130 PetriNetUnfolder]: For 276525/276933 co-relation queries the response was YES. [2021-04-29 04:17:51,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37639 conditions, 3677 events. 0/3677 cut-off events. For 276525/276933 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 59632 event pairs, 0 based on Foata normal form. 13/3613 useless extension candidates. Maximal degree in co-relation 0. Up to 414 conditions per place. [2021-04-29 04:17:51,076 INFO L146 LiptonReduction]: Number of co-enabled transitions 3392 [2021-04-29 04:17:51,253 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:51,254 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:51,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1591 [2021-04-29 04:17:51,254 INFO L480 AbstractCegarLoop]: Abstraction has has 748 places, 864 transitions, 50352 flow [2021-04-29 04:17:51,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:51,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:51,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:51,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-04-29 04:17:51,254 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:51,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:51,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1061466240, now seen corresponding path program 195 times [2021-04-29 04:17:51,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:51,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194988978] [2021-04-29 04:17:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:51,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:51,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:51,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:51,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:51,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:51,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:17:51,279 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:51,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:51,299 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:17:51,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:17:51,327 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:17:51,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:17:51,359 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:17:51,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:51,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194988978] [2021-04-29 04:17:51,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:51,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:17:51,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831595434] [2021-04-29 04:17:51,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:17:51,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:51,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:17:51,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:17:51,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:17:51,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 748 places, 864 transitions, 50352 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:51,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:51,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:17:51,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:54,501 INFO L129 PetriNetUnfolder]: 14/3703 cut-off events. [2021-04-29 04:17:54,502 INFO L130 PetriNetUnfolder]: For 278479/278992 co-relation queries the response was YES. [2021-04-29 04:17:54,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39598 conditions, 3703 events. 14/3703 cut-off events. For 278479/278992 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 59702 event pairs, 14 based on Foata normal form. 42/3692 useless extension candidates. Maximal degree in co-relation 39424. Up to 752 conditions per place. [2021-04-29 04:17:54,543 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 374 changer transitions 2/874 dead transitions. [2021-04-29 04:17:54,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 755 places, 874 transitions, 52304 flow [2021-04-29 04:17:54,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:17:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:17:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:17:54,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:17:54,544 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:17:54,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:17:54,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:54,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:17:54,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:54,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:54,546 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:54,546 INFO L185 Difference]: Start difference. First operand has 748 places, 864 transitions, 50352 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:17:54,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 755 places, 874 transitions, 52304 flow [2021-04-29 04:17:58,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 751 places, 874 transitions, 51890 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:17:58,146 INFO L241 Difference]: Finished difference. Result has 753 places, 864 transitions, 50702 flow [2021-04-29 04:17:58,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=49946, PETRI_DIFFERENCE_MINUEND_PLACES=744, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50702, PETRI_PLACES=753, PETRI_TRANSITIONS=864} [2021-04-29 04:17:58,146 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 709 predicate places. [2021-04-29 04:17:58,146 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:17:58,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 753 places, 864 transitions, 50702 flow [2021-04-29 04:17:58,147 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 753 places, 864 transitions, 50702 flow [2021-04-29 04:17:58,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 751 places, 864 transitions, 50702 flow [2021-04-29 04:17:59,446 INFO L129 PetriNetUnfolder]: 0/3668 cut-off events. [2021-04-29 04:17:59,446 INFO L130 PetriNetUnfolder]: For 281386/281892 co-relation queries the response was YES. [2021-04-29 04:17:59,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37780 conditions, 3668 events. 0/3668 cut-off events. For 281386/281892 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 59492 event pairs, 0 based on Foata normal form. 16/3609 useless extension candidates. Maximal degree in co-relation 0. Up to 413 conditions per place. [2021-04-29 04:17:59,494 INFO L146 LiptonReduction]: Number of co-enabled transitions 3380 [2021-04-29 04:17:59,659 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:59,659 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:59,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1514 [2021-04-29 04:17:59,660 INFO L480 AbstractCegarLoop]: Abstraction has has 751 places, 864 transitions, 50702 flow [2021-04-29 04:17:59,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:59,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:59,660 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:17:59,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-04-29 04:17:59,660 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:59,660 INFO L82 PathProgramCache]: Analyzing trace with hash -904543596, now seen corresponding path program 196 times [2021-04-29 04:17:59,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:59,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024829207] [2021-04-29 04:17:59,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:59,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:59,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:59,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:59,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:59,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:17:59,685 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:59,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:59,712 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:17:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:17:59,746 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:17:59,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:17:59,780 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:17:59,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:17:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:59,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024829207] [2021-04-29 04:17:59,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:59,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:17:59,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316528780] [2021-04-29 04:17:59,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:17:59,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:59,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:17:59,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:17:59,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:17:59,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 751 places, 864 transitions, 50702 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:17:59,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:59,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:17:59,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:02,928 INFO L129 PetriNetUnfolder]: 14/3694 cut-off events. [2021-04-29 04:18:02,928 INFO L130 PetriNetUnfolder]: For 282749/283259 co-relation queries the response was YES. [2021-04-29 04:18:02,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39736 conditions, 3694 events. 14/3694 cut-off events. For 282749/283259 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 59492 event pairs, 14 based on Foata normal form. 41/3682 useless extension candidates. Maximal degree in co-relation 39561. Up to 752 conditions per place. [2021-04-29 04:18:02,970 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 370 changer transitions 4/872 dead transitions. [2021-04-29 04:18:02,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 758 places, 872 transitions, 52570 flow [2021-04-29 04:18:02,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:18:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:18:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:18:02,971 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:18:02,971 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:18:02,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:18:02,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:02,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:18:02,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:02,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:02,973 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:02,973 INFO L185 Difference]: Start difference. First operand has 751 places, 864 transitions, 50702 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:18:02,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 758 places, 872 transitions, 52570 flow [2021-04-29 04:18:06,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 753 places, 872 transitions, 51662 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-04-29 04:18:06,581 INFO L241 Difference]: Finished difference. Result has 754 places, 860 transitions, 50344 flow [2021-04-29 04:18:06,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=49802, PETRI_DIFFERENCE_MINUEND_PLACES=746, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=370, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50344, PETRI_PLACES=754, PETRI_TRANSITIONS=860} [2021-04-29 04:18:06,582 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 710 predicate places. [2021-04-29 04:18:06,582 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:06,582 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 754 places, 860 transitions, 50344 flow [2021-04-29 04:18:06,582 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 754 places, 860 transitions, 50344 flow [2021-04-29 04:18:06,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 753 places, 860 transitions, 50344 flow [2021-04-29 04:18:07,891 INFO L129 PetriNetUnfolder]: 0/3656 cut-off events. [2021-04-29 04:18:07,891 INFO L130 PetriNetUnfolder]: For 279328/279835 co-relation queries the response was YES. [2021-04-29 04:18:07,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37541 conditions, 3656 events. 0/3656 cut-off events. For 279328/279835 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 59260 event pairs, 0 based on Foata normal form. 16/3591 useless extension candidates. Maximal degree in co-relation 0. Up to 412 conditions per place. [2021-04-29 04:18:07,939 INFO L146 LiptonReduction]: Number of co-enabled transitions 3374 [2021-04-29 04:18:08,109 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:08,109 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:08,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1527 [2021-04-29 04:18:08,110 INFO L480 AbstractCegarLoop]: Abstraction has has 753 places, 860 transitions, 50344 flow [2021-04-29 04:18:08,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:08,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:08,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:18:08,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-04-29 04:18:08,110 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:08,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:08,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1438270516, now seen corresponding path program 197 times [2021-04-29 04:18:08,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:08,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584597400] [2021-04-29 04:18:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:08,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:08,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:08,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:08,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:18:08,132 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:18:08,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:18:08,160 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:18:08,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:18:08,185 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:18:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:18:08,219 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:18:08,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:18:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:08,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584597400] [2021-04-29 04:18:08,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:08,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:18:08,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913134378] [2021-04-29 04:18:08,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:18:08,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:08,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:18:08,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:18:08,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:18:08,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 753 places, 860 transitions, 50344 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:08,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:08,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:18:08,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:11,369 INFO L129 PetriNetUnfolder]: 14/3682 cut-off events. [2021-04-29 04:18:11,369 INFO L130 PetriNetUnfolder]: For 280917/281430 co-relation queries the response was YES. [2021-04-29 04:18:11,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39491 conditions, 3682 events. 14/3682 cut-off events. For 280917/281430 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 59262 event pairs, 14 based on Foata normal form. 42/3671 useless extension candidates. Maximal degree in co-relation 39316. Up to 752 conditions per place. [2021-04-29 04:18:11,405 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 482 selfloop transitions, 393 changer transitions 2/889 dead transitions. [2021-04-29 04:18:11,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 760 places, 889 transitions, 53438 flow [2021-04-29 04:18:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:18:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:18:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:18:11,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:18:11,406 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:18:11,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:18:11,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:11,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:18:11,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:11,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:11,407 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:11,407 INFO L185 Difference]: Start difference. First operand has 753 places, 860 transitions, 50344 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:18:11,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 760 places, 889 transitions, 53438 flow [2021-04-29 04:18:14,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 755 places, 889 transitions, 52688 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:18:14,833 INFO L241 Difference]: Finished difference. Result has 760 places, 871 transitions, 51240 flow [2021-04-29 04:18:14,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=49616, PETRI_DIFFERENCE_MINUEND_PLACES=748, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51240, PETRI_PLACES=760, PETRI_TRANSITIONS=871} [2021-04-29 04:18:14,833 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 716 predicate places. [2021-04-29 04:18:14,834 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:14,834 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 760 places, 871 transitions, 51240 flow [2021-04-29 04:18:14,834 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 760 places, 871 transitions, 51240 flow [2021-04-29 04:18:14,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 871 transitions, 51240 flow [2021-04-29 04:18:16,156 INFO L129 PetriNetUnfolder]: 0/3647 cut-off events. [2021-04-29 04:18:16,156 INFO L130 PetriNetUnfolder]: For 284357/284736 co-relation queries the response was YES. [2021-04-29 04:18:16,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37581 conditions, 3647 events. 0/3647 cut-off events. For 284357/284736 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 59050 event pairs, 0 based on Foata normal form. 14/3582 useless extension candidates. Maximal degree in co-relation 0. Up to 411 conditions per place. [2021-04-29 04:18:16,206 INFO L146 LiptonReduction]: Number of co-enabled transitions 3406 [2021-04-29 04:18:16,377 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:16,377 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:16,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1543 [2021-04-29 04:18:16,377 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 871 transitions, 51240 flow [2021-04-29 04:18:16,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:16,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:16,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:18:16,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-04-29 04:18:16,378 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:16,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:16,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1971841564, now seen corresponding path program 198 times [2021-04-29 04:18:16,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:16,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987073501] [2021-04-29 04:18:16,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:16,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:16,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:16,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:16,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:16,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:16,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:18:16,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:18:16,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:18:16,430 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:18:16,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:18:16,454 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:18:16,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:18:16,488 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:18:16,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:18:16,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:16,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987073501] [2021-04-29 04:18:16,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:16,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:18:16,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043258141] [2021-04-29 04:18:16,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:18:16,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:16,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:18:16,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:18:16,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:18:16,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 871 transitions, 51240 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:16,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:16,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:18:16,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:19,653 INFO L129 PetriNetUnfolder]: 14/3673 cut-off events. [2021-04-29 04:18:19,653 INFO L130 PetriNetUnfolder]: For 286412/286926 co-relation queries the response was YES. [2021-04-29 04:18:19,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39530 conditions, 3673 events. 14/3673 cut-off events. For 286412/286926 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 59119 event pairs, 14 based on Foata normal form. 42/3662 useless extension candidates. Maximal degree in co-relation 39351. Up to 752 conditions per place. [2021-04-29 04:18:19,695 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 481 selfloop transitions, 391 changer transitions 3/887 dead transitions. [2021-04-29 04:18:19,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 766 places, 887 transitions, 53690 flow [2021-04-29 04:18:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:18:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:18:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:18:19,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:18:19,696 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:18:19,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:18:19,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:19,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:18:19,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:19,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:19,697 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:19,698 INFO L185 Difference]: Start difference. First operand has 759 places, 871 transitions, 51240 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:18:19,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 766 places, 887 transitions, 53690 flow [2021-04-29 04:18:23,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 762 places, 887 transitions, 53143 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-04-29 04:18:23,553 INFO L241 Difference]: Finished difference. Result has 764 places, 870 transitions, 51471 flow [2021-04-29 04:18:23,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50703, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=871, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=390, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51471, PETRI_PLACES=764, PETRI_TRANSITIONS=870} [2021-04-29 04:18:23,554 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 720 predicate places. [2021-04-29 04:18:23,554 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:23,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 764 places, 870 transitions, 51471 flow [2021-04-29 04:18:23,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 764 places, 870 transitions, 51471 flow [2021-04-29 04:18:23,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 763 places, 870 transitions, 51471 flow [2021-04-29 04:18:24,893 INFO L129 PetriNetUnfolder]: 0/3637 cut-off events. [2021-04-29 04:18:24,893 INFO L130 PetriNetUnfolder]: For 284164/284478 co-relation queries the response was YES. [2021-04-29 04:18:24,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37710 conditions, 3637 events. 0/3637 cut-off events. For 284164/284478 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 58878 event pairs, 0 based on Foata normal form. 11/3571 useless extension candidates. Maximal degree in co-relation 0. Up to 410 conditions per place. [2021-04-29 04:18:24,941 INFO L146 LiptonReduction]: Number of co-enabled transitions 3402 [2021-04-29 04:18:25,114 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:25,114 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:25,115 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1561 [2021-04-29 04:18:25,115 INFO L480 AbstractCegarLoop]: Abstraction has has 763 places, 870 transitions, 51471 flow [2021-04-29 04:18:25,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:25,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:25,115 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:18:25,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-04-29 04:18:25,115 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:25,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:25,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1640158082, now seen corresponding path program 199 times [2021-04-29 04:18:25,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:25,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595697928] [2021-04-29 04:18:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:25,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:25,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:25,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:25,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:25,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:25,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:18:25,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:18:25,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:18:25,168 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:18:25,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:18:25,207 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:18:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:18:25,239 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:18:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:18:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:25,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595697928] [2021-04-29 04:18:25,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:25,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:18:25,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819996739] [2021-04-29 04:18:25,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:18:25,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:25,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:18:25,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:18:25,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:18:25,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 763 places, 870 transitions, 51471 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:25,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:25,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:18:25,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:28,593 INFO L129 PetriNetUnfolder]: 14/3663 cut-off events. [2021-04-29 04:18:28,593 INFO L130 PetriNetUnfolder]: For 286458/286972 co-relation queries the response was YES. [2021-04-29 04:18:28,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39655 conditions, 3663 events. 14/3663 cut-off events. For 286458/286972 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 58895 event pairs, 14 based on Foata normal form. 42/3652 useless extension candidates. Maximal degree in co-relation 39476. Up to 752 conditions per place. [2021-04-29 04:18:28,635 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 396 changer transitions 2/884 dead transitions. [2021-04-29 04:18:28,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 770 places, 884 transitions, 53799 flow [2021-04-29 04:18:28,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:18:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:18:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:18:28,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:18:28,636 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:18:28,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:18:28,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:28,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:18:28,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:28,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:28,638 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:28,638 INFO L185 Difference]: Start difference. First operand has 763 places, 870 transitions, 51471 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:18:28,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 770 places, 884 transitions, 53799 flow [2021-04-29 04:18:32,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 884 transitions, 53287 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-04-29 04:18:32,719 INFO L241 Difference]: Finished difference. Result has 769 places, 874 transitions, 52057 flow [2021-04-29 04:18:32,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50967, PETRI_DIFFERENCE_MINUEND_PLACES=760, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=390, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=52057, PETRI_PLACES=769, PETRI_TRANSITIONS=874} [2021-04-29 04:18:32,720 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 725 predicate places. [2021-04-29 04:18:32,720 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:32,720 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 874 transitions, 52057 flow [2021-04-29 04:18:32,720 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 874 transitions, 52057 flow [2021-04-29 04:18:32,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 768 places, 874 transitions, 52057 flow [2021-04-29 04:18:34,092 INFO L129 PetriNetUnfolder]: 0/3630 cut-off events. [2021-04-29 04:18:34,093 INFO L130 PetriNetUnfolder]: For 286102/286416 co-relation queries the response was YES. [2021-04-29 04:18:34,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37902 conditions, 3630 events. 0/3630 cut-off events. For 286102/286416 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 58722 event pairs, 0 based on Foata normal form. 11/3563 useless extension candidates. Maximal degree in co-relation 0. Up to 409 conditions per place. [2021-04-29 04:18:34,141 INFO L146 LiptonReduction]: Number of co-enabled transitions 3400 [2021-04-29 04:18:34,321 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:34,321 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:34,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1601 [2021-04-29 04:18:34,322 INFO L480 AbstractCegarLoop]: Abstraction has has 768 places, 874 transitions, 52057 flow [2021-04-29 04:18:34,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:34,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:34,322 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:18:34,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-04-29 04:18:34,322 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:34,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:34,322 INFO L82 PathProgramCache]: Analyzing trace with hash 370728886, now seen corresponding path program 200 times [2021-04-29 04:18:34,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:34,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616063497] [2021-04-29 04:18:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:34,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:34,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:34,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:34,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:34,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:34,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:18:34,349 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:18:34,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:18:34,377 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:18:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:18:34,417 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:18:34,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:18:34,453 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:18:34,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:18:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:34,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616063497] [2021-04-29 04:18:34,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:34,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:18:34,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715355420] [2021-04-29 04:18:34,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:18:34,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:34,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:18:34,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:18:34,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:18:34,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 874 transitions, 52057 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:34,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:34,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:18:34,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:38,093 INFO L129 PetriNetUnfolder]: 14/3656 cut-off events. [2021-04-29 04:18:38,093 INFO L130 PetriNetUnfolder]: For 288456/288970 co-relation queries the response was YES. [2021-04-29 04:18:38,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39844 conditions, 3656 events. 14/3656 cut-off events. For 288456/288970 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 58804 event pairs, 14 based on Foata normal form. 42/3645 useless extension candidates. Maximal degree in co-relation 39664. Up to 752 conditions per place. [2021-04-29 04:18:38,130 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 473 selfloop transitions, 394 changer transitions 3/882 dead transitions. [2021-04-29 04:18:38,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 775 places, 882 transitions, 54043 flow [2021-04-29 04:18:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:18:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:18:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:18:38,132 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:18:38,132 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:18:38,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:18:38,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:38,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:18:38,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:38,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:38,133 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:38,133 INFO L185 Difference]: Start difference. First operand has 768 places, 874 transitions, 52057 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:18:38,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 775 places, 882 transitions, 54043 flow [2021-04-29 04:18:42,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 882 transitions, 53311 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-04-29 04:18:42,037 INFO L241 Difference]: Finished difference. Result has 773 places, 873 transitions, 52086 flow [2021-04-29 04:18:42,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=51333, PETRI_DIFFERENCE_MINUEND_PLACES=764, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=874, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=393, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=52086, PETRI_PLACES=773, PETRI_TRANSITIONS=873} [2021-04-29 04:18:42,037 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 729 predicate places. [2021-04-29 04:18:42,038 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:42,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 773 places, 873 transitions, 52086 flow [2021-04-29 04:18:42,038 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 773 places, 873 transitions, 52086 flow [2021-04-29 04:18:42,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 772 places, 873 transitions, 52086 flow [2021-04-29 04:18:43,467 INFO L129 PetriNetUnfolder]: 0/3620 cut-off events. [2021-04-29 04:18:43,467 INFO L130 PetriNetUnfolder]: For 286171/286559 co-relation queries the response was YES. [2021-04-29 04:18:43,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37861 conditions, 3620 events. 0/3620 cut-off events. For 286171/286559 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 58563 event pairs, 0 based on Foata normal form. 12/3551 useless extension candidates. Maximal degree in co-relation 0. Up to 408 conditions per place. [2021-04-29 04:18:43,516 INFO L146 LiptonReduction]: Number of co-enabled transitions 3392 [2021-04-29 04:18:43,696 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:43,696 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:43,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1659 [2021-04-29 04:18:43,697 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 873 transitions, 52086 flow [2021-04-29 04:18:43,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:43,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:43,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:18:43,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-04-29 04:18:43,697 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:43,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:43,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1423482882, now seen corresponding path program 201 times [2021-04-29 04:18:43,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:43,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339322803] [2021-04-29 04:18:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:43,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:43,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:43,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:43,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:43,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:18:43,722 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:18:43,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:18:43,740 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:18:43,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:18:43,780 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:18:43,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:18:43,815 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:18:43,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:18:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:43,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339322803] [2021-04-29 04:18:43,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:43,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:18:43,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535266950] [2021-04-29 04:18:43,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:18:43,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:43,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:18:43,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:18:43,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:18:43,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 873 transitions, 52086 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:43,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:43,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:18:43,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:47,288 INFO L129 PetriNetUnfolder]: 14/3646 cut-off events. [2021-04-29 04:18:47,288 INFO L130 PetriNetUnfolder]: For 287909/288420 co-relation queries the response was YES. [2021-04-29 04:18:47,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39799 conditions, 3646 events. 14/3646 cut-off events. For 287909/288420 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 58564 event pairs, 14 based on Foata normal form. 41/3634 useless extension candidates. Maximal degree in co-relation 39618. Up to 752 conditions per place. [2021-04-29 04:18:47,332 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 384 changer transitions 3/877 dead transitions. [2021-04-29 04:18:47,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 877 transitions, 53832 flow [2021-04-29 04:18:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:18:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:18:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:18:47,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:18:47,334 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:18:47,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:18:47,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:47,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:18:47,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:47,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:47,335 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:47,335 INFO L185 Difference]: Start difference. First operand has 772 places, 873 transitions, 52086 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:18:47,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 877 transitions, 53832 flow [2021-04-29 04:18:51,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 877 transitions, 52831 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-04-29 04:18:51,329 INFO L241 Difference]: Finished difference. Result has 774 places, 870 transitions, 51663 flow [2021-04-29 04:18:51,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=51093, PETRI_DIFFERENCE_MINUEND_PLACES=766, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=384, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51663, PETRI_PLACES=774, PETRI_TRANSITIONS=870} [2021-04-29 04:18:51,330 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 730 predicate places. [2021-04-29 04:18:51,330 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:51,330 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 870 transitions, 51663 flow [2021-04-29 04:18:51,330 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 870 transitions, 51663 flow [2021-04-29 04:18:51,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 772 places, 870 transitions, 51663 flow [2021-04-29 04:18:52,658 INFO L129 PetriNetUnfolder]: 0/3612 cut-off events. [2021-04-29 04:18:52,658 INFO L130 PetriNetUnfolder]: For 284394/284781 co-relation queries the response was YES. [2021-04-29 04:18:52,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37619 conditions, 3612 events. 0/3612 cut-off events. For 284394/284781 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 58399 event pairs, 0 based on Foata normal form. 12/3543 useless extension candidates. Maximal degree in co-relation 0. Up to 407 conditions per place. [2021-04-29 04:18:52,706 INFO L146 LiptonReduction]: Number of co-enabled transitions 3378 [2021-04-29 04:18:52,864 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:52,864 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:52,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1534 [2021-04-29 04:18:52,865 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 870 transitions, 51663 flow [2021-04-29 04:18:52,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:52,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:52,865 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:18:52,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-04-29 04:18:52,865 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:52,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:52,865 INFO L82 PathProgramCache]: Analyzing trace with hash 2075158826, now seen corresponding path program 202 times [2021-04-29 04:18:52,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:52,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906814934] [2021-04-29 04:18:52,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:52,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:52,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:52,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:52,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:18:52,890 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:18:52,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:18:52,916 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:18:52,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:18:52,951 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:18:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:18:52,984 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:18:52,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:18:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:53,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906814934] [2021-04-29 04:18:53,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:53,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:18:53,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115197602] [2021-04-29 04:18:53,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:18:53,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:53,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:18:53,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:18:53,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:18:53,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 870 transitions, 51663 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:18:53,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:53,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:18:53,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:18:56,264 INFO L129 PetriNetUnfolder]: 14/3638 cut-off events. [2021-04-29 04:18:56,265 INFO L130 PetriNetUnfolder]: For 286409/286920 co-relation queries the response was YES. [2021-04-29 04:18:56,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39553 conditions, 3638 events. 14/3638 cut-off events. For 286409/286920 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 58471 event pairs, 14 based on Foata normal form. 41/3626 useless extension candidates. Maximal degree in co-relation 39372. Up to 752 conditions per place. [2021-04-29 04:18:56,307 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 472 selfloop transitions, 390 changer transitions 2/876 dead transitions. [2021-04-29 04:18:56,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 876 transitions, 53505 flow [2021-04-29 04:18:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:18:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:18:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:18:56,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:18:56,308 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:18:56,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:18:56,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:18:56,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:18:56,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:56,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:56,309 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:56,309 INFO L185 Difference]: Start difference. First operand has 772 places, 870 transitions, 51663 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:18:56,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 876 transitions, 53505 flow [2021-04-29 04:19:00,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 876 transitions, 52730 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-04-29 04:19:00,259 INFO L241 Difference]: Finished difference. Result has 775 places, 870 transitions, 51712 flow [2021-04-29 04:19:00,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50898, PETRI_DIFFERENCE_MINUEND_PLACES=766, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=388, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51712, PETRI_PLACES=775, PETRI_TRANSITIONS=870} [2021-04-29 04:19:00,259 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 731 predicate places. [2021-04-29 04:19:00,260 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:00,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 775 places, 870 transitions, 51712 flow [2021-04-29 04:19:00,260 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 775 places, 870 transitions, 51712 flow [2021-04-29 04:19:00,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 774 places, 870 transitions, 51712 flow [2021-04-29 04:19:01,636 INFO L129 PetriNetUnfolder]: 0/3603 cut-off events. [2021-04-29 04:19:01,636 INFO L130 PetriNetUnfolder]: For 284995/285477 co-relation queries the response was YES. [2021-04-29 04:19:01,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37534 conditions, 3603 events. 0/3603 cut-off events. For 284995/285477 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 58273 event pairs, 0 based on Foata normal form. 15/3535 useless extension candidates. Maximal degree in co-relation 0. Up to 406 conditions per place. [2021-04-29 04:19:01,685 INFO L146 LiptonReduction]: Number of co-enabled transitions 3368 [2021-04-29 04:19:01,860 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:01,861 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:01,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1601 [2021-04-29 04:19:01,861 INFO L480 AbstractCegarLoop]: Abstraction has has 774 places, 870 transitions, 51712 flow [2021-04-29 04:19:01,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:01,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:01,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:01,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-04-29 04:19:01,861 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:01,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:01,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1959196698, now seen corresponding path program 203 times [2021-04-29 04:19:01,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:01,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785023762] [2021-04-29 04:19:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:01,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:01,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:01,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:01,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:01,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:01,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:01,886 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:19:01,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:19:01,902 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:19:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:19:01,929 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:19:01,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:19:01,964 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:19:01,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:19:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:01,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785023762] [2021-04-29 04:19:01,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:01,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:19:01,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115446806] [2021-04-29 04:19:01,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:01,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:01,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:01,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:01,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:19:01,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 774 places, 870 transitions, 51712 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:01,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:01,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:19:01,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:05,325 INFO L129 PetriNetUnfolder]: 14/3629 cut-off events. [2021-04-29 04:19:05,325 INFO L130 PetriNetUnfolder]: For 286528/287042 co-relation queries the response was YES. [2021-04-29 04:19:05,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39465 conditions, 3629 events. 14/3629 cut-off events. For 286528/287042 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 58240 event pairs, 14 based on Foata normal form. 42/3618 useless extension candidates. Maximal degree in co-relation 39284. Up to 752 conditions per place. [2021-04-29 04:19:05,364 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 484 selfloop transitions, 376 changer transitions 2/874 dead transitions. [2021-04-29 04:19:05,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 874 transitions, 53452 flow [2021-04-29 04:19:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:19:05,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:19:05,365 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:19:05,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:19:05,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:05,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:19:05,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:05,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:05,366 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:05,366 INFO L185 Difference]: Start difference. First operand has 774 places, 870 transitions, 51712 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:19:05,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 874 transitions, 53452 flow [2021-04-29 04:19:09,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 777 places, 874 transitions, 52735 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:09,177 INFO L241 Difference]: Finished difference. Result has 778 places, 868 transitions, 51577 flow [2021-04-29 04:19:09,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=51003, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=376, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51577, PETRI_PLACES=778, PETRI_TRANSITIONS=868} [2021-04-29 04:19:09,177 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 734 predicate places. [2021-04-29 04:19:09,178 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:09,178 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 778 places, 868 transitions, 51577 flow [2021-04-29 04:19:09,178 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 778 places, 868 transitions, 51577 flow [2021-04-29 04:19:09,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 776 places, 868 transitions, 51577 flow [2021-04-29 04:19:10,548 INFO L129 PetriNetUnfolder]: 0/3598 cut-off events. [2021-04-29 04:19:10,548 INFO L130 PetriNetUnfolder]: For 284478/284988 co-relation queries the response was YES. [2021-04-29 04:19:10,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37516 conditions, 3598 events. 0/3598 cut-off events. For 284478/284988 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 58163 event pairs, 0 based on Foata normal form. 16/3534 useless extension candidates. Maximal degree in co-relation 0. Up to 405 conditions per place. [2021-04-29 04:19:10,596 INFO L146 LiptonReduction]: Number of co-enabled transitions 3348 [2021-04-29 04:19:10,771 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:10,771 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:10,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1593 [2021-04-29 04:19:10,771 INFO L480 AbstractCegarLoop]: Abstraction has has 776 places, 868 transitions, 51577 flow [2021-04-29 04:19:10,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:10,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:10,772 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:10,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-04-29 04:19:10,772 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:10,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:10,772 INFO L82 PathProgramCache]: Analyzing trace with hash -2135869928, now seen corresponding path program 204 times [2021-04-29 04:19:10,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:10,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685640943] [2021-04-29 04:19:10,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:10,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:10,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:10,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:10,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:10,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:10,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:10,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:19:10,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:19:10,825 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:19:10,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:10,860 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:19:10,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:19:10,893 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:19:10,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:19:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:10,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685640943] [2021-04-29 04:19:10,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:10,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:19:10,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717757270] [2021-04-29 04:19:10,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:10,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:10,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:10,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:10,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:19:10,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 776 places, 868 transitions, 51577 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:10,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:10,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:19:10,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:14,220 INFO L129 PetriNetUnfolder]: 14/3624 cut-off events. [2021-04-29 04:19:14,220 INFO L130 PetriNetUnfolder]: For 285869/286383 co-relation queries the response was YES. [2021-04-29 04:19:14,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39444 conditions, 3624 events. 14/3624 cut-off events. For 285869/286383 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 58158 event pairs, 14 based on Foata normal form. 42/3614 useless extension candidates. Maximal degree in co-relation 39263. Up to 752 conditions per place. [2021-04-29 04:19:14,263 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 471 selfloop transitions, 384 changer transitions 4/871 dead transitions. [2021-04-29 04:19:14,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 871 transitions, 53307 flow [2021-04-29 04:19:14,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:19:14,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:19:14,264 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:19:14,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:19:14,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:14,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:19:14,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:14,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:14,265 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:14,265 INFO L185 Difference]: Start difference. First operand has 776 places, 868 transitions, 51577 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:19:14,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 783 places, 871 transitions, 53307 flow [2021-04-29 04:19:18,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 779 places, 871 transitions, 52605 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:18,303 INFO L241 Difference]: Finished difference. Result has 780 places, 864 transitions, 51439 flow [2021-04-29 04:19:18,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50881, PETRI_DIFFERENCE_MINUEND_PLACES=772, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=868, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=384, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51439, PETRI_PLACES=780, PETRI_TRANSITIONS=864} [2021-04-29 04:19:18,303 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 736 predicate places. [2021-04-29 04:19:18,303 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:18,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 780 places, 864 transitions, 51439 flow [2021-04-29 04:19:18,304 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 780 places, 864 transitions, 51439 flow [2021-04-29 04:19:18,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 778 places, 864 transitions, 51439 flow [2021-04-29 04:19:19,656 INFO L129 PetriNetUnfolder]: 0/3587 cut-off events. [2021-04-29 04:19:19,656 INFO L130 PetriNetUnfolder]: For 282726/283105 co-relation queries the response was YES. [2021-04-29 04:19:19,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37446 conditions, 3587 events. 0/3587 cut-off events. For 282726/283105 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 57933 event pairs, 0 based on Foata normal form. 14/3523 useless extension candidates. Maximal degree in co-relation 0. Up to 404 conditions per place. [2021-04-29 04:19:19,704 INFO L146 LiptonReduction]: Number of co-enabled transitions 3344 [2021-04-29 04:19:19,876 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:19,876 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:19,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1573 [2021-04-29 04:19:19,876 INFO L480 AbstractCegarLoop]: Abstraction has has 778 places, 864 transitions, 51439 flow [2021-04-29 04:19:19,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:19,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:19,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:19,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-04-29 04:19:19,877 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:19,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:19,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1236752002, now seen corresponding path program 205 times [2021-04-29 04:19:19,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:19,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333989289] [2021-04-29 04:19:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:19,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:19,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:19,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:19,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:19,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:19,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:19,901 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:19:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:19:19,919 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:19:19,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:19:19,945 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:19:19,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:19,978 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:19:19,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:19:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:20,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333989289] [2021-04-29 04:19:20,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:20,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:19:20,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698220360] [2021-04-29 04:19:20,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:20,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:20,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:20,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:20,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:19:20,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 864 transitions, 51439 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:20,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:20,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:19:20,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:23,269 INFO L129 PetriNetUnfolder]: 14/3613 cut-off events. [2021-04-29 04:19:23,270 INFO L130 PetriNetUnfolder]: For 284777/285291 co-relation queries the response was YES. [2021-04-29 04:19:23,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39369 conditions, 3613 events. 14/3613 cut-off events. For 284777/285291 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 57949 event pairs, 14 based on Foata normal form. 42/3603 useless extension candidates. Maximal degree in co-relation 39188. Up to 752 conditions per place. [2021-04-29 04:19:23,312 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 481 selfloop transitions, 372 changer transitions 3/868 dead transitions. [2021-04-29 04:19:23,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 785 places, 868 transitions, 53167 flow [2021-04-29 04:19:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:19:23,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:19:23,313 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:19:23,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:19:23,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:23,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:19:23,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:23,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:23,314 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:23,314 INFO L185 Difference]: Start difference. First operand has 778 places, 864 transitions, 51439 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:19:23,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 785 places, 868 transitions, 53167 flow [2021-04-29 04:19:27,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 780 places, 868 transitions, 52393 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:27,223 INFO L241 Difference]: Finished difference. Result has 781 places, 861 transitions, 51183 flow [2021-04-29 04:19:27,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50673, PETRI_DIFFERENCE_MINUEND_PLACES=773, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51183, PETRI_PLACES=781, PETRI_TRANSITIONS=861} [2021-04-29 04:19:27,224 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 737 predicate places. [2021-04-29 04:19:27,224 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:27,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 781 places, 861 transitions, 51183 flow [2021-04-29 04:19:27,224 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 781 places, 861 transitions, 51183 flow [2021-04-29 04:19:27,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 779 places, 861 transitions, 51183 flow [2021-04-29 04:19:28,537 INFO L129 PetriNetUnfolder]: 0/3579 cut-off events. [2021-04-29 04:19:28,537 INFO L130 PetriNetUnfolder]: For 281850/282229 co-relation queries the response was YES. [2021-04-29 04:19:28,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37343 conditions, 3579 events. 0/3579 cut-off events. For 281850/282229 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 57790 event pairs, 0 based on Foata normal form. 14/3518 useless extension candidates. Maximal degree in co-relation 0. Up to 403 conditions per place. [2021-04-29 04:19:28,585 INFO L146 LiptonReduction]: Number of co-enabled transitions 3320 [2021-04-29 04:19:28,754 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:28,755 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:28,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1531 [2021-04-29 04:19:28,755 INFO L480 AbstractCegarLoop]: Abstraction has has 779 places, 861 transitions, 51183 flow [2021-04-29 04:19:28,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:28,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:28,755 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:28,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-04-29 04:19:28,755 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:28,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:28,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1482690900, now seen corresponding path program 206 times [2021-04-29 04:19:28,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:28,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287960389] [2021-04-29 04:19:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:28,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:28,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:28,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:28,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:28,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:28,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:28,780 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:19:28,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:19:28,798 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:19:28,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:19:28,821 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:19:28,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:28,852 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:19:28,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:19:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:28,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287960389] [2021-04-29 04:19:28,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:28,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:19:28,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355934249] [2021-04-29 04:19:28,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:28,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:28,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:28,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:28,885 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:19:28,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 779 places, 861 transitions, 51183 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:28,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:28,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:19:28,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:32,031 INFO L129 PetriNetUnfolder]: 14/3605 cut-off events. [2021-04-29 04:19:32,031 INFO L130 PetriNetUnfolder]: For 283746/284257 co-relation queries the response was YES. [2021-04-29 04:19:32,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39262 conditions, 3605 events. 14/3605 cut-off events. For 283746/284257 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 57793 event pairs, 14 based on Foata normal form. 41/3594 useless extension candidates. Maximal degree in co-relation 39081. Up to 752 conditions per place. [2021-04-29 04:19:32,069 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 374 changer transitions 4/865 dead transitions. [2021-04-29 04:19:32,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 786 places, 865 transitions, 52905 flow [2021-04-29 04:19:32,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:19:32,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:19:32,070 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:19:32,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:19:32,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:32,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:19:32,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:32,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:32,071 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:32,071 INFO L185 Difference]: Start difference. First operand has 779 places, 861 transitions, 51183 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:19:32,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 786 places, 865 transitions, 52905 flow [2021-04-29 04:19:35,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 865 transitions, 52161 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:35,643 INFO L241 Difference]: Finished difference. Result has 782 places, 857 transitions, 50953 flow [2021-04-29 04:19:35,644 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50447, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50953, PETRI_PLACES=782, PETRI_TRANSITIONS=857} [2021-04-29 04:19:35,644 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 738 predicate places. [2021-04-29 04:19:35,644 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:35,644 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 782 places, 857 transitions, 50953 flow [2021-04-29 04:19:35,644 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 782 places, 857 transitions, 50953 flow [2021-04-29 04:19:35,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 781 places, 857 transitions, 50953 flow [2021-04-29 04:19:36,945 INFO L129 PetriNetUnfolder]: 0/3568 cut-off events. [2021-04-29 04:19:36,946 INFO L130 PetriNetUnfolder]: For 280693/281104 co-relation queries the response was YES. [2021-04-29 04:19:36,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37209 conditions, 3568 events. 0/3568 cut-off events. For 280693/281104 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 57589 event pairs, 0 based on Foata normal form. 13/3500 useless extension candidates. Maximal degree in co-relation 0. Up to 402 conditions per place. [2021-04-29 04:19:36,992 INFO L146 LiptonReduction]: Number of co-enabled transitions 3304 [2021-04-29 04:19:37,161 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:37,161 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:37,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1518 [2021-04-29 04:19:37,162 INFO L480 AbstractCegarLoop]: Abstraction has has 781 places, 857 transitions, 50953 flow [2021-04-29 04:19:37,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:37,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:37,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:37,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-04-29 04:19:37,163 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:37,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:37,163 INFO L82 PathProgramCache]: Analyzing trace with hash 300963138, now seen corresponding path program 207 times [2021-04-29 04:19:37,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:37,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713835268] [2021-04-29 04:19:37,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:37,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:37,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:37,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:37,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:37,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:37,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:37,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:37,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:37,200 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:19:37,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:19:37,228 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:19:37,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:37,254 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:19:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:19:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:37,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713835268] [2021-04-29 04:19:37,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:37,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:19:37,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583126805] [2021-04-29 04:19:37,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:37,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:37,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:37,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:37,281 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:19:37,282 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 781 places, 857 transitions, 50953 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:37,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:37,282 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:19:37,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:40,568 INFO L129 PetriNetUnfolder]: 14/3594 cut-off events. [2021-04-29 04:19:40,569 INFO L130 PetriNetUnfolder]: For 282699/283213 co-relation queries the response was YES. [2021-04-29 04:19:40,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39123 conditions, 3594 events. 14/3594 cut-off events. For 282699/283213 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 57612 event pairs, 14 based on Foata normal form. 42/3584 useless extension candidates. Maximal degree in co-relation 38942. Up to 752 conditions per place. [2021-04-29 04:19:40,611 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 472 selfloop transitions, 383 changer transitions 2/869 dead transitions. [2021-04-29 04:19:40,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 788 places, 869 transitions, 53143 flow [2021-04-29 04:19:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:19:40,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:19:40,612 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:19:40,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:19:40,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:40,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:19:40,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,613 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,613 INFO L185 Difference]: Start difference. First operand has 781 places, 857 transitions, 50953 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:19:40,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 788 places, 869 transitions, 53143 flow [2021-04-29 04:19:44,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 783 places, 869 transitions, 52395 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:44,340 INFO L241 Difference]: Finished difference. Result has 786 places, 861 transitions, 51290 flow [2021-04-29 04:19:44,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50219, PETRI_DIFFERENCE_MINUEND_PLACES=776, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=378, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51290, PETRI_PLACES=786, PETRI_TRANSITIONS=861} [2021-04-29 04:19:44,341 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 742 predicate places. [2021-04-29 04:19:44,341 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:44,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 786 places, 861 transitions, 51290 flow [2021-04-29 04:19:44,341 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 786 places, 861 transitions, 51290 flow [2021-04-29 04:19:44,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 785 places, 861 transitions, 51290 flow [2021-04-29 04:19:45,640 INFO L129 PetriNetUnfolder]: 0/3559 cut-off events. [2021-04-29 04:19:45,640 INFO L130 PetriNetUnfolder]: For 281963/282472 co-relation queries the response was YES. [2021-04-29 04:19:45,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37151 conditions, 3559 events. 0/3559 cut-off events. For 281963/282472 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 57453 event pairs, 0 based on Foata normal form. 16/3499 useless extension candidates. Maximal degree in co-relation 0. Up to 401 conditions per place. [2021-04-29 04:19:45,687 INFO L146 LiptonReduction]: Number of co-enabled transitions 3304 [2021-04-29 04:19:45,838 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:45,838 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:45,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1497 [2021-04-29 04:19:45,839 INFO L480 AbstractCegarLoop]: Abstraction has has 785 places, 861 transitions, 51290 flow [2021-04-29 04:19:45,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:45,839 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:45,839 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:45,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-04-29 04:19:45,839 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:45,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:45,839 INFO L82 PathProgramCache]: Analyzing trace with hash -443739360, now seen corresponding path program 208 times [2021-04-29 04:19:45,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:45,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376758212] [2021-04-29 04:19:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:45,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:45,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:45,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:45,880 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:19:45,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:19:45,917 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:19:45,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:19:45,950 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:19:45,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:19:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:45,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376758212] [2021-04-29 04:19:45,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:45,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:19:45,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480629144] [2021-04-29 04:19:45,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:45,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:45,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:45,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:45,985 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:19:45,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 785 places, 861 transitions, 51290 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:45,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:45,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:19:45,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:49,017 INFO L129 PetriNetUnfolder]: 14/3585 cut-off events. [2021-04-29 04:19:49,018 INFO L130 PetriNetUnfolder]: For 283474/283988 co-relation queries the response was YES. [2021-04-29 04:19:49,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39062 conditions, 3585 events. 14/3585 cut-off events. For 283474/283988 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 57438 event pairs, 14 based on Foata normal form. 42/3575 useless extension candidates. Maximal degree in co-relation 38879. Up to 752 conditions per place. [2021-04-29 04:19:49,059 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 473 selfloop transitions, 379 changer transitions 3/867 dead transitions. [2021-04-29 04:19:49,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 867 transitions, 53118 flow [2021-04-29 04:19:49,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:19:49,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:19:49,061 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:19:49,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:19:49,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:49,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:19:49,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,062 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,062 INFO L185 Difference]: Start difference. First operand has 785 places, 861 transitions, 51290 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:19:49,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 867 transitions, 53118 flow [2021-04-29 04:19:52,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 788 places, 867 transitions, 52402 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:52,819 INFO L241 Difference]: Finished difference. Result has 789 places, 858 transitions, 51175 flow [2021-04-29 04:19:52,819 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50582, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=379, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51175, PETRI_PLACES=789, PETRI_TRANSITIONS=858} [2021-04-29 04:19:52,819 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 745 predicate places. [2021-04-29 04:19:52,819 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:52,820 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 789 places, 858 transitions, 51175 flow [2021-04-29 04:19:52,820 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 789 places, 858 transitions, 51175 flow [2021-04-29 04:19:52,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 788 places, 858 transitions, 51175 flow [2021-04-29 04:19:54,130 INFO L129 PetriNetUnfolder]: 0/3549 cut-off events. [2021-04-29 04:19:54,130 INFO L130 PetriNetUnfolder]: For 281397/281907 co-relation queries the response was YES. [2021-04-29 04:19:54,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37101 conditions, 3549 events. 0/3549 cut-off events. For 281397/281907 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 57233 event pairs, 0 based on Foata normal form. 16/3486 useless extension candidates. Maximal degree in co-relation 0. Up to 400 conditions per place. [2021-04-29 04:19:54,177 INFO L146 LiptonReduction]: Number of co-enabled transitions 3304 [2021-04-29 04:19:54,346 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:54,347 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:54,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1528 [2021-04-29 04:19:54,347 INFO L480 AbstractCegarLoop]: Abstraction has has 788 places, 858 transitions, 51175 flow [2021-04-29 04:19:54,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:54,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:54,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:54,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-04-29 04:19:54,347 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:19:54,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:54,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1550423968, now seen corresponding path program 209 times [2021-04-29 04:19:54,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:54,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435170280] [2021-04-29 04:19:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:54,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:54,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:54,387 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:19:54,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:19:54,411 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:19:54,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:54,443 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:19:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:19:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:54,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435170280] [2021-04-29 04:19:54,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:54,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:19:54,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755625710] [2021-04-29 04:19:54,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:54,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:54,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:54,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:54,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:19:54,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 788 places, 858 transitions, 51175 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:19:54,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:54,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:19:54,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:57,825 INFO L129 PetriNetUnfolder]: 14/3575 cut-off events. [2021-04-29 04:19:57,825 INFO L130 PetriNetUnfolder]: For 282752/283238 co-relation queries the response was YES. [2021-04-29 04:19:57,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39008 conditions, 3575 events. 14/3575 cut-off events. For 282752/283238 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 57215 event pairs, 14 based on Foata normal form. 42/3565 useless extension candidates. Maximal degree in co-relation 38825. Up to 752 conditions per place. [2021-04-29 04:19:57,862 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 464 selfloop transitions, 386 changer transitions 2/864 dead transitions. [2021-04-29 04:19:57,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 795 places, 864 transitions, 52997 flow [2021-04-29 04:19:57,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:19:57,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:19:57,863 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:19:57,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:19:57,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:57,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:19:57,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,864 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,864 INFO L185 Difference]: Start difference. First operand has 788 places, 858 transitions, 51175 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:19:57,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 795 places, 864 transitions, 52997 flow [2021-04-29 04:20:01,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 790 places, 864 transitions, 52238 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:01,410 INFO L241 Difference]: Finished difference. Result has 792 places, 858 transitions, 51229 flow [2021-04-29 04:20:01,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50424, PETRI_DIFFERENCE_MINUEND_PLACES=783, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=384, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51229, PETRI_PLACES=792, PETRI_TRANSITIONS=858} [2021-04-29 04:20:01,411 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 748 predicate places. [2021-04-29 04:20:01,411 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:01,411 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 858 transitions, 51229 flow [2021-04-29 04:20:01,411 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 858 transitions, 51229 flow [2021-04-29 04:20:01,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 791 places, 858 transitions, 51229 flow [2021-04-29 04:20:02,744 INFO L129 PetriNetUnfolder]: 0/3542 cut-off events. [2021-04-29 04:20:02,744 INFO L130 PetriNetUnfolder]: For 281221/281600 co-relation queries the response was YES. [2021-04-29 04:20:02,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37054 conditions, 3542 events. 0/3542 cut-off events. For 281221/281600 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 57122 event pairs, 0 based on Foata normal form. 14/3480 useless extension candidates. Maximal degree in co-relation 0. Up to 399 conditions per place. [2021-04-29 04:20:02,791 INFO L146 LiptonReduction]: Number of co-enabled transitions 3296 [2021-04-29 04:20:02,962 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:02,962 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:02,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1551 [2021-04-29 04:20:02,963 INFO L480 AbstractCegarLoop]: Abstraction has has 791 places, 858 transitions, 51229 flow [2021-04-29 04:20:02,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:02,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:02,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:02,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-04-29 04:20:02,963 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:02,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:02,963 INFO L82 PathProgramCache]: Analyzing trace with hash -234266664, now seen corresponding path program 210 times [2021-04-29 04:20:02,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:02,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252128820] [2021-04-29 04:20:02,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:02,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:02,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:02,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:20:03,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:20:03,028 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:20:03,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:20:03,061 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:20:03,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:20:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:03,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252128820] [2021-04-29 04:20:03,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:20:03,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:20:03,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800227633] [2021-04-29 04:20:03,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:20:03,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:03,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:20:03,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:20:03,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:20:03,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 791 places, 858 transitions, 51229 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:03,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:03,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:20:03,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:06,381 INFO L129 PetriNetUnfolder]: 14/3568 cut-off events. [2021-04-29 04:20:06,381 INFO L130 PetriNetUnfolder]: For 283259/283742 co-relation queries the response was YES. [2021-04-29 04:20:06,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38958 conditions, 3568 events. 14/3568 cut-off events. For 283259/283742 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 57107 event pairs, 14 based on Foata normal form. 41/3557 useless extension candidates. Maximal degree in co-relation 38774. Up to 752 conditions per place. [2021-04-29 04:20:06,424 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 463 selfloop transitions, 383 changer transitions 3/861 dead transitions. [2021-04-29 04:20:06,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 798 places, 861 transitions, 52939 flow [2021-04-29 04:20:06,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:20:06,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:20:06,425 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:20:06,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:20:06,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:06,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:20:06,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,426 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,426 INFO L185 Difference]: Start difference. First operand has 791 places, 858 transitions, 51229 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:20:06,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 798 places, 861 transitions, 52939 flow [2021-04-29 04:20:10,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 794 places, 861 transitions, 52375 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-29 04:20:10,117 INFO L241 Difference]: Finished difference. Result has 795 places, 855 transitions, 51240 flow [2021-04-29 04:20:10,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50671, PETRI_DIFFERENCE_MINUEND_PLACES=787, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=383, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51240, PETRI_PLACES=795, PETRI_TRANSITIONS=855} [2021-04-29 04:20:10,118 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 751 predicate places. [2021-04-29 04:20:10,118 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:10,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 855 transitions, 51240 flow [2021-04-29 04:20:10,118 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 855 transitions, 51240 flow [2021-04-29 04:20:10,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 792 places, 855 transitions, 51240 flow [2021-04-29 04:20:11,492 INFO L129 PetriNetUnfolder]: 0/3532 cut-off events. [2021-04-29 04:20:11,493 INFO L130 PetriNetUnfolder]: For 281051/281430 co-relation queries the response was YES. [2021-04-29 04:20:11,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37100 conditions, 3532 events. 0/3532 cut-off events. For 281051/281430 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 56947 event pairs, 0 based on Foata normal form. 14/3471 useless extension candidates. Maximal degree in co-relation 0. Up to 398 conditions per place. [2021-04-29 04:20:11,540 INFO L146 LiptonReduction]: Number of co-enabled transitions 3284 [2021-04-29 04:20:11,710 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:11,710 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:11,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1592 [2021-04-29 04:20:11,711 INFO L480 AbstractCegarLoop]: Abstraction has has 792 places, 855 transitions, 51240 flow [2021-04-29 04:20:11,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:11,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:11,711 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:11,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-04-29 04:20:11,711 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:11,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:11,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1705057176, now seen corresponding path program 211 times [2021-04-29 04:20:11,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:11,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249623941] [2021-04-29 04:20:11,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:11,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:11,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:11,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:11,752 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:20:11,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:20:11,773 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:20:11,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:20:11,808 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:20:11,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:20:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:11,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249623941] [2021-04-29 04:20:11,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:20:11,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:20:11,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299421276] [2021-04-29 04:20:11,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:20:11,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:11,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:20:11,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:20:11,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:20:11,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 792 places, 855 transitions, 51240 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:11,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:11,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:20:11,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:15,102 INFO L129 PetriNetUnfolder]: 14/3558 cut-off events. [2021-04-29 04:20:15,103 INFO L130 PetriNetUnfolder]: For 282922/283405 co-relation queries the response was YES. [2021-04-29 04:20:15,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39000 conditions, 3558 events. 14/3558 cut-off events. For 282922/283405 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 56918 event pairs, 14 based on Foata normal form. 41/3547 useless extension candidates. Maximal degree in co-relation 38816. Up to 752 conditions per place. [2021-04-29 04:20:15,145 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 467 selfloop transitions, 375 changer transitions 4/858 dead transitions. [2021-04-29 04:20:15,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 858 transitions, 52944 flow [2021-04-29 04:20:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-04-29 04:20:15,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-04-29 04:20:15,146 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-04-29 04:20:15,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-04-29 04:20:15,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:15,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-04-29 04:20:15,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:15,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:15,147 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:15,147 INFO L185 Difference]: Start difference. First operand has 792 places, 855 transitions, 51240 flow. Second operand 8 states and 466 transitions. [2021-04-29 04:20:15,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 858 transitions, 52944 flow [2021-04-29 04:20:18,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 794 places, 858 transitions, 52178 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:18,904 INFO L241 Difference]: Finished difference. Result has 795 places, 851 transitions, 51039 flow [2021-04-29 04:20:18,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50480, PETRI_DIFFERENCE_MINUEND_PLACES=787, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51039, PETRI_PLACES=795, PETRI_TRANSITIONS=851} [2021-04-29 04:20:18,905 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 751 predicate places. [2021-04-29 04:20:18,905 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:18,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 851 transitions, 51039 flow [2021-04-29 04:20:18,905 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 851 transitions, 51039 flow [2021-04-29 04:20:18,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 793 places, 851 transitions, 51039 flow [2021-04-29 04:20:20,253 INFO L129 PetriNetUnfolder]: 0/3521 cut-off events. [2021-04-29 04:20:20,253 INFO L130 PetriNetUnfolder]: For 279628/279930 co-relation queries the response was YES. [2021-04-29 04:20:20,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36987 conditions, 3521 events. 0/3521 cut-off events. For 279628/279930 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 56745 event pairs, 0 based on Foata normal form. 11/3457 useless extension candidates. Maximal degree in co-relation 0. Up to 397 conditions per place. [2021-04-29 04:20:20,301 INFO L146 LiptonReduction]: Number of co-enabled transitions 3284 [2021-04-29 04:20:20,472 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:20,472 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:20,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1568 [2021-04-29 04:20:20,473 INFO L480 AbstractCegarLoop]: Abstraction has has 793 places, 851 transitions, 51039 flow [2021-04-29 04:20:20,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:20,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:20,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:20,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-04-29 04:20:20,473 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:20,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:20,474 INFO L82 PathProgramCache]: Analyzing trace with hash 587679682, now seen corresponding path program 212 times [2021-04-29 04:20:20,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:20,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772787199] [2021-04-29 04:20:20,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:20,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:20,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:20,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:20,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:20:20,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:20:20,517 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:20:20,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:20:20,542 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:20:20,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:20:20,577 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:20:20,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:20:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:20,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772787199] [2021-04-29 04:20:20,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:20:20,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:20:20,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161881330] [2021-04-29 04:20:20,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:20:20,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:20,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:20:20,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:20:20,612 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:20:20,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 793 places, 851 transitions, 51039 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:20,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:20,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:20:20,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:24,056 INFO L129 PetriNetUnfolder]: 10/3646 cut-off events. [2021-04-29 04:20:24,056 INFO L130 PetriNetUnfolder]: For 289216/289682 co-relation queries the response was YES. [2021-04-29 04:20:24,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39748 conditions, 3646 events. 10/3646 cut-off events. For 289216/289682 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 58672 event pairs, 10 based on Foata normal form. 29/3624 useless extension candidates. Maximal degree in co-relation 39564. Up to 744 conditions per place. [2021-04-29 04:20:24,093 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 573 selfloop transitions, 343 changer transitions 2/930 dead transitions. [2021-04-29 04:20:24,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 800 places, 930 transitions, 57088 flow [2021-04-29 04:20:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:20:24,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:20:24,094 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:20:24,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:20:24,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:24,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:20:24,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:24,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:24,095 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:24,095 INFO L185 Difference]: Start difference. First operand has 793 places, 851 transitions, 51039 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:20:24,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 800 places, 930 transitions, 57088 flow [2021-04-29 04:20:27,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 795 places, 930 transitions, 56305 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:27,835 INFO L241 Difference]: Finished difference. Result has 800 places, 867 transitions, 52149 flow [2021-04-29 04:20:27,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50286, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=52149, PETRI_PLACES=800, PETRI_TRANSITIONS=867} [2021-04-29 04:20:27,835 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 756 predicate places. [2021-04-29 04:20:27,835 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:27,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 867 transitions, 52149 flow [2021-04-29 04:20:27,836 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 867 transitions, 52149 flow [2021-04-29 04:20:27,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 799 places, 867 transitions, 52149 flow [2021-04-29 04:20:29,359 INFO L129 PetriNetUnfolder]: 0/3619 cut-off events. [2021-04-29 04:20:29,359 INFO L130 PetriNetUnfolder]: For 291263/291554 co-relation queries the response was YES. [2021-04-29 04:20:29,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37966 conditions, 3619 events. 0/3619 cut-off events. For 291263/291554 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 58474 event pairs, 0 based on Foata normal form. 11/3557 useless extension candidates. Maximal degree in co-relation 0. Up to 407 conditions per place. [2021-04-29 04:20:29,411 INFO L146 LiptonReduction]: Number of co-enabled transitions 3336 [2021-04-29 04:20:29,588 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:29,589 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:29,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1754 [2021-04-29 04:20:29,589 INFO L480 AbstractCegarLoop]: Abstraction has has 799 places, 867 transitions, 52149 flow [2021-04-29 04:20:29,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:29,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:29,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:29,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-04-29 04:20:29,589 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:29,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:29,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1807833060, now seen corresponding path program 213 times [2021-04-29 04:20:29,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:29,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575318159] [2021-04-29 04:20:29,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:29,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:29,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:20:29,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:20:29,634 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:20:29,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:20:29,659 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:20:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:20:29,693 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:20:29,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:20:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:29,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575318159] [2021-04-29 04:20:29,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:20:29,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:20:29,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297122936] [2021-04-29 04:20:29,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:20:29,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:29,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:20:29,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:20:29,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:20:29,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 799 places, 867 transitions, 52149 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:29,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:29,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:20:29,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:33,398 INFO L129 PetriNetUnfolder]: 10/3637 cut-off events. [2021-04-29 04:20:33,398 INFO L130 PetriNetUnfolder]: For 293044/293510 co-relation queries the response was YES. [2021-04-29 04:20:33,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39772 conditions, 3637 events. 10/3637 cut-off events. For 293044/293510 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 58441 event pairs, 10 based on Foata normal form. 29/3613 useless extension candidates. Maximal degree in co-relation 39584. Up to 760 conditions per place. [2021-04-29 04:20:33,440 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 572 selfloop transitions, 363 changer transitions 2/949 dead transitions. [2021-04-29 04:20:33,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 949 transitions, 58302 flow [2021-04-29 04:20:33,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:20:33,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:20:33,441 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:20:33,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:20:33,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:33,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:20:33,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:33,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:33,442 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:33,443 INFO L185 Difference]: Start difference. First operand has 799 places, 867 transitions, 52149 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:20:33,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 949 transitions, 58302 flow [2021-04-29 04:20:37,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 802 places, 949 transitions, 57781 flow, removed 28 selfloop flow, removed 4 redundant places. [2021-04-29 04:20:37,454 INFO L241 Difference]: Finished difference. Result has 806 places, 898 transitions, 54350 flow [2021-04-29 04:20:37,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=51653, PETRI_DIFFERENCE_MINUEND_PLACES=795, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=54350, PETRI_PLACES=806, PETRI_TRANSITIONS=898} [2021-04-29 04:20:37,455 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 762 predicate places. [2021-04-29 04:20:37,455 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:37,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 898 transitions, 54350 flow [2021-04-29 04:20:37,455 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 898 transitions, 54350 flow [2021-04-29 04:20:37,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 898 transitions, 54350 flow [2021-04-29 04:20:38,962 INFO L129 PetriNetUnfolder]: 0/3612 cut-off events. [2021-04-29 04:20:38,962 INFO L130 PetriNetUnfolder]: For 297575/297943 co-relation queries the response was YES. [2021-04-29 04:20:38,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38238 conditions, 3612 events. 0/3612 cut-off events. For 297575/297943 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 58380 event pairs, 0 based on Foata normal form. 13/3553 useless extension candidates. Maximal degree in co-relation 0. Up to 406 conditions per place. [2021-04-29 04:20:39,008 INFO L146 LiptonReduction]: Number of co-enabled transitions 3406 [2021-04-29 04:20:39,191 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:39,191 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:39,191 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1736 [2021-04-29 04:20:39,191 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 898 transitions, 54350 flow [2021-04-29 04:20:39,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:39,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:39,192 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:39,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-04-29 04:20:39,192 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:39,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:39,192 INFO L82 PathProgramCache]: Analyzing trace with hash 284228852, now seen corresponding path program 214 times [2021-04-29 04:20:39,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:39,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497033002] [2021-04-29 04:20:39,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:39,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:39,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:20:39,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:20:39,228 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:20:39,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:20:39,247 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:20:39,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:20:39,275 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-04-29 04:20:39,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:20:39,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:39,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497033002] [2021-04-29 04:20:39,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:20:39,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 04:20:39,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758186006] [2021-04-29 04:20:39,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:20:39,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:39,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:20:39,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:20:39,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-04-29 04:20:39,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 898 transitions, 54350 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:39,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:39,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-04-29 04:20:39,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:43,173 INFO L129 PetriNetUnfolder]: 10/3630 cut-off events. [2021-04-29 04:20:43,174 INFO L130 PetriNetUnfolder]: For 298759/299201 co-relation queries the response was YES. [2021-04-29 04:20:43,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40041 conditions, 3630 events. 10/3630 cut-off events. For 298759/299201 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 58338 event pairs, 10 based on Foata normal form. 29/3607 useless extension candidates. Maximal degree in co-relation 39851. Up to 760 conditions per place. [2021-04-29 04:20:43,219 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 570 selfloop transitions, 362 changer transitions 3/947 dead transitions. [2021-04-29 04:20:43,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 947 transitions, 58722 flow [2021-04-29 04:20:43,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-04-29 04:20:43,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-04-29 04:20:43,220 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-04-29 04:20:43,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-04-29 04:20:43,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:43,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-04-29 04:20:43,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:43,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:43,221 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:43,221 INFO L185 Difference]: Start difference. First operand has 805 places, 898 transitions, 54350 flow. Second operand 8 states and 467 transitions. [2021-04-29 04:20:43,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 947 transitions, 58722 flow [2021-04-29 04:20:47,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 808 places, 947 transitions, 57968 flow, removed 64 selfloop flow, removed 4 redundant places. [2021-04-29 04:20:47,548 INFO L241 Difference]: Finished difference. Result has 809 places, 895 transitions, 54196 flow [2021-04-29 04:20:47,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=53639, PETRI_DIFFERENCE_MINUEND_PLACES=801, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=898, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=362, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=54196, PETRI_PLACES=809, PETRI_TRANSITIONS=895} [2021-04-29 04:20:47,548 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 765 predicate places. [2021-04-29 04:20:47,549 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:47,549 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 809 places, 895 transitions, 54196 flow [2021-04-29 04:20:47,549 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 809 places, 895 transitions, 54196 flow [2021-04-29 04:20:47,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 808 places, 895 transitions, 54196 flow [2021-04-29 04:20:49,045 INFO L129 PetriNetUnfolder]: 0/3602 cut-off events. [2021-04-29 04:20:49,045 INFO L130 PetriNetUnfolder]: For 295574/296032 co-relation queries the response was YES. [2021-04-29 04:20:49,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38110 conditions, 3602 events. 0/3602 cut-off events. For 295574/296032 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 58195 event pairs, 0 based on Foata normal form. 16/3545 useless extension candidates. Maximal degree in co-relation 0. Up to 405 conditions per place. [2021-04-29 04:20:49,096 INFO L146 LiptonReduction]: Number of co-enabled transitions 3398 Received shutdown request... [2021-04-29 04:20:49,291 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:49,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:49,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1742 [2021-04-29 04:20:49,292 INFO L480 AbstractCegarLoop]: Abstraction has has 808 places, 895 transitions, 54196 flow [2021-04-29 04:20:49,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 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) [2021-04-29 04:20:49,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:49,292 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:49,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-04-29 04:20:49,292 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:49,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:49,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2057213006, now seen corresponding path program 215 times [2021-04-29 04:20:49,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:49,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957912118] [2021-04-29 04:20:49,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-04-29 04:20:49,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145324802] [2021-04-29 04:20:49,295 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:49,335 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-04-29 04:20:49,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:49,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:20:49,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:49,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,397 WARN L222 SmtUtils]: Removed 1 from assertion stack [2021-04-29 04:20:49,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable219 [2021-04-29 04:20:49,599 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 04:20:49,604 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 04:20:49,605 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 04:20:49 BasicIcfg [2021-04-29 04:20:49,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 04:20:49,606 INFO L168 Benchmark]: Toolchain (without parser) took 825091.45 ms. Allocated memory was 302.0 MB in the beginning and 9.5 GB in the end (delta: 9.2 GB). Free memory was 271.1 MB in the beginning and 3.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 5.9 GB. Max. memory is 16.0 GB. [2021-04-29 04:20:49,606 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.85 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:20:49,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.18 ms. Allocated memory is still 302.0 MB. Free memory was 285.5 MB in the beginning and 284.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:20:49,606 INFO L168 Benchmark]: Boogie Preprocessor took 15.98 ms. Allocated memory is still 302.0 MB. Free memory was 283.9 MB in the beginning and 283.1 MB in the end (delta: 850.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 04:20:49,606 INFO L168 Benchmark]: RCFGBuilder took 289.07 ms. Allocated memory is still 302.0 MB. Free memory was 283.1 MB in the beginning and 278.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 04:20:49,606 INFO L168 Benchmark]: TraceAbstraction took 824691.18 ms. Allocated memory was 302.0 MB in the beginning and 9.5 GB in the end (delta: 9.2 GB). Free memory was 278.3 MB in the beginning and 3.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 5.9 GB. Max. memory is 16.0 GB. [2021-04-29 04:20:49,607 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 0.85 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.18 ms. Allocated memory is still 302.0 MB. Free memory was 285.5 MB in the beginning and 284.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.98 ms. Allocated memory is still 302.0 MB. Free memory was 283.9 MB in the beginning and 283.1 MB in the end (delta: 850.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 289.07 ms. Allocated memory is still 302.0 MB. Free memory was 283.1 MB in the beginning and 278.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 824691.18 ms. Allocated memory was 302.0 MB in the beginning and 9.5 GB in the end (delta: 9.2 GB). Free memory was 278.3 MB in the beginning and 3.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 5.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.6ms, 44 PlacesBefore, 44 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 225 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 225, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 225, unknown conditional: 225, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.3ms, 34 PlacesBefore, 34 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.5ms, 35 PlacesBefore, 35 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.4ms, 36 PlacesBefore, 36 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2ms, 37 PlacesBefore, 35 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.4ms, 47 PlacesBefore, 47 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.4ms, 59 PlacesBefore, 59 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.6ms, 71 PlacesBefore, 70 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147.6ms, 81 PlacesBefore, 80 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 429.6ms, 90 PlacesBefore, 90 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 563.9ms, 102 PlacesBefore, 101 PlacesAfterwards, 123 TransitionsBefore, 123 TransitionsAfterwards, 1390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 533.5ms, 112 PlacesBefore, 112 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 1542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 621.2ms, 124 PlacesBefore, 124 PlacesAfterwards, 168 TransitionsBefore, 168 TransitionsAfterwards, 1820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 656.0ms, 135 PlacesBefore, 134 PlacesAfterwards, 184 TransitionsBefore, 184 TransitionsAfterwards, 1936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 723.7ms, 143 PlacesBefore, 143 PlacesAfterwards, 210 TransitionsBefore, 210 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 998.9ms, 153 PlacesBefore, 153 PlacesAfterwards, 228 TransitionsBefore, 228 TransitionsAfterwards, 2328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 697.4ms, 164 PlacesBefore, 164 PlacesAfterwards, 246 TransitionsBefore, 246 TransitionsAfterwards, 2450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.6ms, 175 PlacesBefore, 175 PlacesAfterwards, 263 TransitionsBefore, 263 TransitionsAfterwards, 2542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 287.4ms, 176 PlacesBefore, 163 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 198.4ms, 163 PlacesBefore, 162 PlacesAfterwards, 164 TransitionsBefore, 164 TransitionsAfterwards, 878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 251.6ms, 170 PlacesBefore, 169 PlacesAfterwards, 170 TransitionsBefore, 170 TransitionsAfterwards, 922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.5ms, 173 PlacesBefore, 172 PlacesAfterwards, 174 TransitionsBefore, 174 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.9ms, 177 PlacesBefore, 176 PlacesAfterwards, 173 TransitionsBefore, 173 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 261.6ms, 180 PlacesBefore, 179 PlacesAfterwards, 174 TransitionsBefore, 174 TransitionsAfterwards, 944 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 205.8ms, 183 PlacesBefore, 182 PlacesAfterwards, 173 TransitionsBefore, 173 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 272.1ms, 189 PlacesBefore, 188 PlacesAfterwards, 196 TransitionsBefore, 196 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 337.6ms, 198 PlacesBefore, 197 PlacesAfterwards, 214 TransitionsBefore, 214 TransitionsAfterwards, 1112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.9ms, 204 PlacesBefore, 203 PlacesAfterwards, 239 TransitionsBefore, 239 TransitionsAfterwards, 1252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 386.4ms, 211 PlacesBefore, 210 PlacesAfterwards, 245 TransitionsBefore, 245 TransitionsAfterwards, 1282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.0ms, 216 PlacesBefore, 215 PlacesAfterwards, 254 TransitionsBefore, 254 TransitionsAfterwards, 1346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 437.0ms, 223 PlacesBefore, 222 PlacesAfterwards, 300 TransitionsBefore, 300 TransitionsAfterwards, 1428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 487.4ms, 231 PlacesBefore, 230 PlacesAfterwards, 314 TransitionsBefore, 314 TransitionsAfterwards, 1538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 460.5ms, 237 PlacesBefore, 236 PlacesAfterwards, 323 TransitionsBefore, 323 TransitionsAfterwards, 1588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.0ms, 242 PlacesBefore, 241 PlacesAfterwards, 329 TransitionsBefore, 329 TransitionsAfterwards, 1622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 489.7ms, 246 PlacesBefore, 245 PlacesAfterwards, 343 TransitionsBefore, 343 TransitionsAfterwards, 1676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.7ms, 249 PlacesBefore, 248 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 1660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 405.3ms, 252 PlacesBefore, 251 PlacesAfterwards, 340 TransitionsBefore, 340 TransitionsAfterwards, 1656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 576.2ms, 254 PlacesBefore, 253 PlacesAfterwards, 339 TransitionsBefore, 339 TransitionsAfterwards, 1646 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.8ms, 256 PlacesBefore, 255 PlacesAfterwards, 344 TransitionsBefore, 344 TransitionsAfterwards, 1688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 500.7ms, 259 PlacesBefore, 258 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 1666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 411.4ms, 261 PlacesBefore, 260 PlacesAfterwards, 340 TransitionsBefore, 340 TransitionsAfterwards, 1660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.4ms, 263 PlacesBefore, 261 PlacesAfterwards, 337 TransitionsBefore, 337 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 497.6ms, 263 PlacesBefore, 262 PlacesAfterwards, 335 TransitionsBefore, 335 TransitionsAfterwards, 1624 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.1ms, 262 PlacesBefore, 261 PlacesAfterwards, 333 TransitionsBefore, 333 TransitionsAfterwards, 1614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 383.1ms, 264 PlacesBefore, 263 PlacesAfterwards, 331 TransitionsBefore, 331 TransitionsAfterwards, 1604 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 380.9ms, 266 PlacesBefore, 265 PlacesAfterwards, 337 TransitionsBefore, 337 TransitionsAfterwards, 1660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.8ms, 269 PlacesBefore, 268 PlacesAfterwards, 335 TransitionsBefore, 335 TransitionsAfterwards, 1642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 384.7ms, 271 PlacesBefore, 270 PlacesAfterwards, 334 TransitionsBefore, 334 TransitionsAfterwards, 1634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 444.3ms, 278 PlacesBefore, 277 PlacesAfterwards, 358 TransitionsBefore, 358 TransitionsAfterwards, 1716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 453.2ms, 285 PlacesBefore, 284 PlacesAfterwards, 368 TransitionsBefore, 368 TransitionsAfterwards, 1776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 490.0ms, 292 PlacesBefore, 291 PlacesAfterwards, 385 TransitionsBefore, 385 TransitionsAfterwards, 1858 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 482.7ms, 294 PlacesBefore, 293 PlacesAfterwards, 383 TransitionsBefore, 383 TransitionsAfterwards, 1838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.3ms, 296 PlacesBefore, 295 PlacesAfterwards, 382 TransitionsBefore, 382 TransitionsAfterwards, 1830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.0ms, 300 PlacesBefore, 299 PlacesAfterwards, 384 TransitionsBefore, 384 TransitionsAfterwards, 1840 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 497.6ms, 303 PlacesBefore, 302 PlacesAfterwards, 385 TransitionsBefore, 385 TransitionsAfterwards, 1852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 471.4ms, 307 PlacesBefore, 306 PlacesAfterwards, 387 TransitionsBefore, 387 TransitionsAfterwards, 1850 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 479.4ms, 310 PlacesBefore, 309 PlacesAfterwards, 385 TransitionsBefore, 385 TransitionsAfterwards, 1836 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 476.8ms, 312 PlacesBefore, 310 PlacesAfterwards, 382 TransitionsBefore, 382 TransitionsAfterwards, 1818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 543.1ms, 310 PlacesBefore, 309 PlacesAfterwards, 391 TransitionsBefore, 391 TransitionsAfterwards, 1860 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 494.4ms, 316 PlacesBefore, 315 PlacesAfterwards, 397 TransitionsBefore, 397 TransitionsAfterwards, 1896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 489.0ms, 320 PlacesBefore, 319 PlacesAfterwards, 403 TransitionsBefore, 403 TransitionsAfterwards, 1932 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 509.0ms, 323 PlacesBefore, 322 PlacesAfterwards, 401 TransitionsBefore, 401 TransitionsAfterwards, 1914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 493.1ms, 325 PlacesBefore, 324 PlacesAfterwards, 399 TransitionsBefore, 399 TransitionsAfterwards, 1908 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 477.3ms, 327 PlacesBefore, 326 PlacesAfterwards, 397 TransitionsBefore, 397 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 483.1ms, 330 PlacesBefore, 329 PlacesAfterwards, 398 TransitionsBefore, 398 TransitionsAfterwards, 1900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 476.0ms, 333 PlacesBefore, 332 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 1912 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 472.0ms, 337 PlacesBefore, 336 PlacesAfterwards, 406 TransitionsBefore, 406 TransitionsAfterwards, 1902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.6ms, 339 PlacesBefore, 338 PlacesAfterwards, 404 TransitionsBefore, 404 TransitionsAfterwards, 1894 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 507.9ms, 343 PlacesBefore, 342 PlacesAfterwards, 431 TransitionsBefore, 431 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 563.4ms, 351 PlacesBefore, 350 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 2082 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 619.7ms, 358 PlacesBefore, 357 PlacesAfterwards, 470 TransitionsBefore, 470 TransitionsAfterwards, 2252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 636.3ms, 365 PlacesBefore, 364 PlacesAfterwards, 483 TransitionsBefore, 483 TransitionsAfterwards, 2342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 656.5ms, 368 PlacesBefore, 366 PlacesAfterwards, 486 TransitionsBefore, 486 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 634.4ms, 370 PlacesBefore, 369 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 628.4ms, 373 PlacesBefore, 372 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2370 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 630.0ms, 375 PlacesBefore, 374 PlacesAfterwards, 493 TransitionsBefore, 493 TransitionsAfterwards, 2360 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 625.7ms, 378 PlacesBefore, 377 PlacesAfterwards, 491 TransitionsBefore, 491 TransitionsAfterwards, 2344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 654.3ms, 380 PlacesBefore, 379 PlacesAfterwards, 490 TransitionsBefore, 490 TransitionsAfterwards, 2342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 623.3ms, 382 PlacesBefore, 381 PlacesAfterwards, 488 TransitionsBefore, 488 TransitionsAfterwards, 2326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 650.2ms, 386 PlacesBefore, 385 PlacesAfterwards, 487 TransitionsBefore, 487 TransitionsAfterwards, 2318 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 626.4ms, 389 PlacesBefore, 388 PlacesAfterwards, 485 TransitionsBefore, 485 TransitionsAfterwards, 2308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 602.7ms, 392 PlacesBefore, 391 PlacesAfterwards, 484 TransitionsBefore, 484 TransitionsAfterwards, 2306 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 636.9ms, 395 PlacesBefore, 394 PlacesAfterwards, 483 TransitionsBefore, 483 TransitionsAfterwards, 2298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 610.5ms, 398 PlacesBefore, 396 PlacesAfterwards, 481 TransitionsBefore, 481 TransitionsAfterwards, 2290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 603.7ms, 399 PlacesBefore, 398 PlacesAfterwards, 478 TransitionsBefore, 478 TransitionsAfterwards, 2264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 580.3ms, 404 PlacesBefore, 403 PlacesAfterwards, 482 TransitionsBefore, 482 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 610.8ms, 407 PlacesBefore, 406 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 655.0ms, 410 PlacesBefore, 409 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 2268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 646.5ms, 416 PlacesBefore, 415 PlacesAfterwards, 492 TransitionsBefore, 492 TransitionsAfterwards, 2330 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 654.5ms, 422 PlacesBefore, 421 PlacesAfterwards, 501 TransitionsBefore, 501 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 652.7ms, 426 PlacesBefore, 425 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 2354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 652.1ms, 427 PlacesBefore, 426 PlacesAfterwards, 497 TransitionsBefore, 497 TransitionsAfterwards, 2348 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 660.0ms, 429 PlacesBefore, 428 PlacesAfterwards, 501 TransitionsBefore, 501 TransitionsAfterwards, 2348 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 674.2ms, 432 PlacesBefore, 431 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 2342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 645.1ms, 434 PlacesBefore, 433 PlacesAfterwards, 498 TransitionsBefore, 498 TransitionsAfterwards, 2340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 797.6ms, 439 PlacesBefore, 438 PlacesAfterwards, 519 TransitionsBefore, 519 TransitionsAfterwards, 2474 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 674.3ms, 441 PlacesBefore, 440 PlacesAfterwards, 517 TransitionsBefore, 517 TransitionsAfterwards, 2458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 649.4ms, 444 PlacesBefore, 443 PlacesAfterwards, 514 TransitionsBefore, 514 TransitionsAfterwards, 2444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 656.3ms, 446 PlacesBefore, 445 PlacesAfterwards, 519 TransitionsBefore, 519 TransitionsAfterwards, 2448 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 643.3ms, 449 PlacesBefore, 448 PlacesAfterwards, 517 TransitionsBefore, 517 TransitionsAfterwards, 2440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 655.0ms, 453 PlacesBefore, 452 PlacesAfterwards, 514 TransitionsBefore, 514 TransitionsAfterwards, 2430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 651.1ms, 455 PlacesBefore, 454 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 2424 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 644.1ms, 457 PlacesBefore, 456 PlacesAfterwards, 509 TransitionsBefore, 509 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 642.1ms, 459 PlacesBefore, 458 PlacesAfterwards, 507 TransitionsBefore, 507 TransitionsAfterwards, 2398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 638.3ms, 462 PlacesBefore, 461 PlacesAfterwards, 505 TransitionsBefore, 505 TransitionsAfterwards, 2392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 649.8ms, 465 PlacesBefore, 464 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 2378 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 627.2ms, 468 PlacesBefore, 467 PlacesAfterwards, 500 TransitionsBefore, 500 TransitionsAfterwards, 2364 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 619.7ms, 469 PlacesBefore, 468 PlacesAfterwards, 498 TransitionsBefore, 498 TransitionsAfterwards, 2356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 632.0ms, 471 PlacesBefore, 470 PlacesAfterwards, 495 TransitionsBefore, 495 TransitionsAfterwards, 2336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 608.1ms, 473 PlacesBefore, 472 PlacesAfterwards, 493 TransitionsBefore, 493 TransitionsAfterwards, 2332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 624.0ms, 474 PlacesBefore, 473 PlacesAfterwards, 491 TransitionsBefore, 491 TransitionsAfterwards, 2326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 611.9ms, 476 PlacesBefore, 475 PlacesAfterwards, 489 TransitionsBefore, 489 TransitionsAfterwards, 2322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 601.8ms, 478 PlacesBefore, 477 PlacesAfterwards, 487 TransitionsBefore, 487 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 589.0ms, 480 PlacesBefore, 479 PlacesAfterwards, 485 TransitionsBefore, 485 TransitionsAfterwards, 2292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 601.7ms, 482 PlacesBefore, 481 PlacesAfterwards, 483 TransitionsBefore, 483 TransitionsAfterwards, 2286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 608.3ms, 484 PlacesBefore, 483 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 2274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 602.0ms, 486 PlacesBefore, 485 PlacesAfterwards, 478 TransitionsBefore, 478 TransitionsAfterwards, 2262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 601.5ms, 491 PlacesBefore, 490 PlacesAfterwards, 475 TransitionsBefore, 475 TransitionsAfterwards, 2244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 579.2ms, 492 PlacesBefore, 491 PlacesAfterwards, 473 TransitionsBefore, 473 TransitionsAfterwards, 2236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 571.8ms, 493 PlacesBefore, 492 PlacesAfterwards, 471 TransitionsBefore, 471 TransitionsAfterwards, 2226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 572.4ms, 495 PlacesBefore, 494 PlacesAfterwards, 469 TransitionsBefore, 469 TransitionsAfterwards, 2214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 585.8ms, 498 PlacesBefore, 497 PlacesAfterwards, 467 TransitionsBefore, 467 TransitionsAfterwards, 2204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 575.3ms, 501 PlacesBefore, 500 PlacesAfterwards, 465 TransitionsBefore, 465 TransitionsAfterwards, 2198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 572.0ms, 504 PlacesBefore, 503 PlacesAfterwards, 463 TransitionsBefore, 463 TransitionsAfterwards, 2194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 566.9ms, 505 PlacesBefore, 504 PlacesAfterwards, 460 TransitionsBefore, 460 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 557.7ms, 507 PlacesBefore, 506 PlacesAfterwards, 458 TransitionsBefore, 458 TransitionsAfterwards, 2176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 577.6ms, 510 PlacesBefore, 509 PlacesAfterwards, 456 TransitionsBefore, 456 TransitionsAfterwards, 2172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 550.1ms, 513 PlacesBefore, 512 PlacesAfterwards, 454 TransitionsBefore, 454 TransitionsAfterwards, 2160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 541.3ms, 513 PlacesBefore, 512 PlacesAfterwards, 452 TransitionsBefore, 452 TransitionsAfterwards, 2150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 558.6ms, 514 PlacesBefore, 513 PlacesAfterwards, 450 TransitionsBefore, 450 TransitionsAfterwards, 2140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 557.4ms, 516 PlacesBefore, 515 PlacesAfterwards, 449 TransitionsBefore, 449 TransitionsAfterwards, 2138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 600.0ms, 518 PlacesBefore, 516 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 2134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 776.4ms, 518 PlacesBefore, 517 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 2120 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 530.4ms, 520 PlacesBefore, 519 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 2110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.3ms, 521 PlacesBefore, 520 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 2080 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 506.1ms, 524 PlacesBefore, 522 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 2080 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 500.1ms, 526 PlacesBefore, 524 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 2074 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 494.3ms, 527 PlacesBefore, 525 PlacesAfterwards, 441 TransitionsBefore, 441 TransitionsAfterwards, 2056 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 492.5ms, 531 PlacesBefore, 529 PlacesAfterwards, 444 TransitionsBefore, 444 TransitionsAfterwards, 2058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 601.3ms, 538 PlacesBefore, 537 PlacesAfterwards, 487 TransitionsBefore, 487 TransitionsAfterwards, 2258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 614.9ms, 545 PlacesBefore, 544 PlacesAfterwards, 500 TransitionsBefore, 500 TransitionsAfterwards, 2300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 892.0ms, 546 PlacesBefore, 544 PlacesAfterwards, 497 TransitionsBefore, 497 TransitionsAfterwards, 2276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 643.3ms, 549 PlacesBefore, 547 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 2306 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 609.2ms, 552 PlacesBefore, 550 PlacesAfterwards, 511 TransitionsBefore, 511 TransitionsAfterwards, 2296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 625.9ms, 555 PlacesBefore, 553 PlacesAfterwards, 510 TransitionsBefore, 510 TransitionsAfterwards, 2290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 628.5ms, 556 PlacesBefore, 554 PlacesAfterwards, 508 TransitionsBefore, 508 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 668.9ms, 562 PlacesBefore, 561 PlacesAfterwards, 545 TransitionsBefore, 545 TransitionsAfterwards, 2426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 741.3ms, 565 PlacesBefore, 563 PlacesAfterwards, 547 TransitionsBefore, 547 TransitionsAfterwards, 2422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 659.5ms, 567 PlacesBefore, 565 PlacesAfterwards, 545 TransitionsBefore, 545 TransitionsAfterwards, 2414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.2ms, 570 PlacesBefore, 568 PlacesAfterwards, 552 TransitionsBefore, 552 TransitionsAfterwards, 2426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 683.8ms, 573 PlacesBefore, 571 PlacesAfterwards, 549 TransitionsBefore, 549 TransitionsAfterwards, 2414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 806.6ms, 577 PlacesBefore, 576 PlacesAfterwards, 565 TransitionsBefore, 565 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 864.3ms, 585 PlacesBefore, 584 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 2676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 835.7ms, 589 PlacesBefore, 587 PlacesAfterwards, 600 TransitionsBefore, 600 TransitionsAfterwards, 2668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 844.7ms, 591 PlacesBefore, 589 PlacesAfterwards, 598 TransitionsBefore, 598 TransitionsAfterwards, 2656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 836.7ms, 593 PlacesBefore, 591 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 2632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1026.9ms, 595 PlacesBefore, 593 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 819.0ms, 597 PlacesBefore, 595 PlacesAfterwards, 597 TransitionsBefore, 597 TransitionsAfterwards, 2618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 852.4ms, 604 PlacesBefore, 603 PlacesAfterwards, 612 TransitionsBefore, 612 TransitionsAfterwards, 2678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 901.4ms, 607 PlacesBefore, 605 PlacesAfterwards, 611 TransitionsBefore, 611 TransitionsAfterwards, 2672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 882.8ms, 609 PlacesBefore, 607 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 2654 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 891.4ms, 609 PlacesBefore, 607 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2646 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 873.8ms, 609 PlacesBefore, 607 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 2634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 901.1ms, 615 PlacesBefore, 614 PlacesAfterwards, 640 TransitionsBefore, 640 TransitionsAfterwards, 2754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 883.5ms, 620 PlacesBefore, 618 PlacesAfterwards, 637 TransitionsBefore, 637 TransitionsAfterwards, 2732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 877.3ms, 621 PlacesBefore, 620 PlacesAfterwards, 636 TransitionsBefore, 636 TransitionsAfterwards, 2724 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 882.7ms, 623 PlacesBefore, 621 PlacesAfterwards, 633 TransitionsBefore, 633 TransitionsAfterwards, 2694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 893.6ms, 624 PlacesBefore, 623 PlacesAfterwards, 636 TransitionsBefore, 636 TransitionsAfterwards, 2726 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 900.7ms, 627 PlacesBefore, 626 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 2708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 897.2ms, 633 PlacesBefore, 632 PlacesAfterwards, 642 TransitionsBefore, 642 TransitionsAfterwards, 2722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 917.0ms, 635 PlacesBefore, 634 PlacesAfterwards, 641 TransitionsBefore, 641 TransitionsAfterwards, 2716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 904.1ms, 638 PlacesBefore, 637 PlacesAfterwards, 638 TransitionsBefore, 638 TransitionsAfterwards, 2696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 874.8ms, 640 PlacesBefore, 639 PlacesAfterwards, 637 TransitionsBefore, 637 TransitionsAfterwards, 2688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 861.3ms, 643 PlacesBefore, 642 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 2664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 863.6ms, 648 PlacesBefore, 647 PlacesAfterwards, 637 TransitionsBefore, 637 TransitionsAfterwards, 2676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 858.8ms, 651 PlacesBefore, 649 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 2664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 853.8ms, 651 PlacesBefore, 649 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 2652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 900.5ms, 656 PlacesBefore, 655 PlacesAfterwards, 638 TransitionsBefore, 638 TransitionsAfterwards, 2656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 913.9ms, 661 PlacesBefore, 660 PlacesAfterwards, 645 TransitionsBefore, 645 TransitionsAfterwards, 2668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 873.5ms, 666 PlacesBefore, 665 PlacesAfterwards, 649 TransitionsBefore, 649 TransitionsAfterwards, 2656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 935.2ms, 670 PlacesBefore, 669 PlacesAfterwards, 647 TransitionsBefore, 647 TransitionsAfterwards, 2656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 976.6ms, 674 PlacesBefore, 672 PlacesAfterwards, 644 TransitionsBefore, 644 TransitionsAfterwards, 2642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 907.4ms, 675 PlacesBefore, 674 PlacesAfterwards, 642 TransitionsBefore, 642 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 931.5ms, 676 PlacesBefore, 674 PlacesAfterwards, 639 TransitionsBefore, 639 TransitionsAfterwards, 2628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 848.4ms, 677 PlacesBefore, 676 PlacesAfterwards, 637 TransitionsBefore, 637 TransitionsAfterwards, 2614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 873.7ms, 680 PlacesBefore, 679 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 2608 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 877.2ms, 682 PlacesBefore, 680 PlacesAfterwards, 633 TransitionsBefore, 633 TransitionsAfterwards, 2608 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 895.5ms, 683 PlacesBefore, 681 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 2594 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 959.6ms, 687 PlacesBefore, 686 PlacesAfterwards, 673 TransitionsBefore, 673 TransitionsAfterwards, 2764 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1137.5ms, 693 PlacesBefore, 692 PlacesAfterwards, 721 TransitionsBefore, 721 TransitionsAfterwards, 2940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1381.4ms, 702 PlacesBefore, 701 PlacesAfterwards, 775 TransitionsBefore, 775 TransitionsAfterwards, 3126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1474.6ms, 710 PlacesBefore, 709 PlacesAfterwards, 807 TransitionsBefore, 807 TransitionsAfterwards, 3234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1453.9ms, 718 PlacesBefore, 717 PlacesAfterwards, 826 TransitionsBefore, 826 TransitionsAfterwards, 3294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1552.5ms, 727 PlacesBefore, 726 PlacesAfterwards, 851 TransitionsBefore, 851 TransitionsAfterwards, 3390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1595.0ms, 732 PlacesBefore, 731 PlacesAfterwards, 866 TransitionsBefore, 866 TransitionsAfterwards, 3396 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1587.0ms, 737 PlacesBefore, 736 PlacesAfterwards, 872 TransitionsBefore, 872 TransitionsAfterwards, 3432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1593.5ms, 740 PlacesBefore, 739 PlacesAfterwards, 870 TransitionsBefore, 870 TransitionsAfterwards, 3432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1605.5ms, 744 PlacesBefore, 743 PlacesAfterwards, 868 TransitionsBefore, 868 TransitionsAfterwards, 3412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1607.4ms, 747 PlacesBefore, 746 PlacesAfterwards, 866 TransitionsBefore, 866 TransitionsAfterwards, 3400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1590.6ms, 749 PlacesBefore, 748 PlacesAfterwards, 864 TransitionsBefore, 864 TransitionsAfterwards, 3392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1512.9ms, 753 PlacesBefore, 751 PlacesAfterwards, 864 TransitionsBefore, 864 TransitionsAfterwards, 3380 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1527.1ms, 754 PlacesBefore, 753 PlacesAfterwards, 860 TransitionsBefore, 860 TransitionsAfterwards, 3374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1543.1ms, 760 PlacesBefore, 759 PlacesAfterwards, 871 TransitionsBefore, 871 TransitionsAfterwards, 3406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1560.4ms, 764 PlacesBefore, 763 PlacesAfterwards, 870 TransitionsBefore, 870 TransitionsAfterwards, 3402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1601.2ms, 769 PlacesBefore, 768 PlacesAfterwards, 874 TransitionsBefore, 874 TransitionsAfterwards, 3400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1658.6ms, 773 PlacesBefore, 772 PlacesAfterwards, 873 TransitionsBefore, 873 TransitionsAfterwards, 3392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1534.1ms, 774 PlacesBefore, 772 PlacesAfterwards, 870 TransitionsBefore, 870 TransitionsAfterwards, 3378 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1600.8ms, 775 PlacesBefore, 774 PlacesAfterwards, 870 TransitionsBefore, 870 TransitionsAfterwards, 3368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1593.0ms, 778 PlacesBefore, 776 PlacesAfterwards, 868 TransitionsBefore, 868 TransitionsAfterwards, 3348 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1572.3ms, 780 PlacesBefore, 778 PlacesAfterwards, 864 TransitionsBefore, 864 TransitionsAfterwards, 3344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1530.5ms, 781 PlacesBefore, 779 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 3320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1517.5ms, 782 PlacesBefore, 781 PlacesAfterwards, 857 TransitionsBefore, 857 TransitionsAfterwards, 3304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1497.0ms, 786 PlacesBefore, 785 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 3304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1527.0ms, 789 PlacesBefore, 788 PlacesAfterwards, 858 TransitionsBefore, 858 TransitionsAfterwards, 3304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1551.3ms, 792 PlacesBefore, 791 PlacesAfterwards, 858 TransitionsBefore, 858 TransitionsAfterwards, 3296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1592.2ms, 795 PlacesBefore, 792 PlacesAfterwards, 855 TransitionsBefore, 855 TransitionsAfterwards, 3284 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1567.3ms, 795 PlacesBefore, 793 PlacesAfterwards, 851 TransitionsBefore, 851 TransitionsAfterwards, 3284 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1753.0ms, 800 PlacesBefore, 799 PlacesAfterwards, 867 TransitionsBefore, 867 TransitionsAfterwards, 3336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1735.6ms, 806 PlacesBefore, 805 PlacesAfterwards, 898 TransitionsBefore, 898 TransitionsAfterwards, 3406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1742.6ms, 809 PlacesBefore, 808 PlacesAfterwards, 895 TransitionsBefore, 895 TransitionsAfterwards, 3398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 225, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 25). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 20 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 48.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 824446.9ms, OverallIterations: 220, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 631866.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 393.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4182 SDtfs, 5590 SDslu, 3531 SDs, 0 SdLazy, 6957 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6166.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1727 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 1503 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 32439.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=54350occurred in iteration=218, InterpolantAutomatonStates: 1727, 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: 96.6ms SsaConstructionTime, 291.3ms SatisfiabilityAnalysisTime, 28950.6ms InterpolantComputationTime, 4161 NumberOfCodeBlocks, 4161 NumberOfCodeBlocksAsserted, 219 NumberOfCheckSat, 3942 ConstructedInterpolants, 0 QuantifiedInterpolants, 93662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 219 InterpolantComputations, 219 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