/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 05:36:16,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 05:36:16,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 05:36:16,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 05:36:16,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 05:36:16,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 05:36:16,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 05:36:16,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 05:36:16,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 05:36:16,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 05:36:16,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 05:36:16,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 05:36:16,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 05:36:16,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 05:36:16,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 05:36:16,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 05:36:16,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 05:36:16,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 05:36:16,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 05:36:16,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 05:36:16,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 05:36:16,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 05:36:16,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 05:36:16,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 05:36:16,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 05:36:16,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 05:36:16,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 05:36:16,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 05:36:16,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 05:36:16,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 05:36:16,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 05:36:16,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 05:36:16,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 05:36:16,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 05:36:16,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 05:36:16,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 05:36:16,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 05:36:16,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 05:36:16,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 05:36:16,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 05:36:16,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 05:36:16,986 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 [2021-03-26 05:36:17,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 05:36:17,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 05:36:17,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 05:36:17,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 05:36:17,015 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 05:36:17,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 05:36:17,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 05:36:17,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 05:36:17,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 05:36:17,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 05:36:17,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 05:36:17,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 05:36:17,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 05:36:17,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 05:36:17,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 05:36:17,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 05:36:17,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 05:36:17,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 05:36:17,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 05:36:17,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 05:36:17,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 05:36:17,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 05:36:17,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 05:36:17,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 05:36:17,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 05:36:17,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 05:36:17,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 05:36:17,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 05:36:17,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 05:36:17,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 05:36:17,019 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 05:36:17,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 05:36:17,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 05:36:17,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 05:36:17,306 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 05:36:17,306 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 05:36:17,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl [2021-03-26 05:36:17,307 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl' [2021-03-26 05:36:17,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 05:36:17,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 05:36:17,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 05:36:17,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 05:36:17,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 05:36:17,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 05:36:17,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 05:36:17,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 05:36:17,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 05:36:17,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... [2021-03-26 05:36:17,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 05:36:17,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 05:36:17,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 05:36:17,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 05:36:17,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 05:36:17,409 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 05:36:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 05:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 05:36:17,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 05:36:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 05:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 05:36:17,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 05:36:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 05:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 05:36:17,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 05:36:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 05:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 05:36:17,411 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 05:36:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 05:36:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 05:36:17,411 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-26 05:36:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-26 05:36:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-26 05:36:17,411 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 05:36:17,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 05:36:17,667 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 05:36:17,668 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:36:17 BoogieIcfgContainer [2021-03-26 05:36:17,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 05:36:17,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 05:36:17,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 05:36:17,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 05:36:17,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:36:17" (1/2) ... [2021-03-26 05:36:17,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c69f56 and model type ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 05:36:17, skipping insertion in model container [2021-03-26 05:36:17,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:36:17" (2/2) ... [2021-03-26 05:36:17,673 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-5.wvr.bpl [2021-03-26 05:36:17,676 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 05:36:17,678 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 05:36:17,679 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 05:36:17,733 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-03-26 05:36:17,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 05:36:17,771 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 05:36:17,771 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 05:36:17,771 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 05:36:17,771 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 05:36:17,771 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 05:36:17,771 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 05:36:17,771 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 05:36:17,772 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 05:36:17,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 46 transitions, 132 flow [2021-03-26 05:36:17,824 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-26 05:36:17,824 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 05:36:17,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 41 events. 0/41 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 05:36:17,825 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 46 transitions, 132 flow [2021-03-26 05:36:17,829 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 39 transitions, 108 flow [2021-03-26 05:36:17,830 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:17,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 39 transitions, 108 flow [2021-03-26 05:36:17,843 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 39 transitions, 108 flow [2021-03-26 05:36:17,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 39 transitions, 108 flow [2021-03-26 05:36:17,862 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 05:36:17,862 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 05:36:17,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 39 events. 0/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 05:36:17,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 748 [2021-03-26 05:36:18,642 INFO L154 LiptonReduction]: Checked pairs total: 933 [2021-03-26 05:36:18,642 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-26 05:36:18,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 814 [2021-03-26 05:36:18,651 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 05:36:18,652 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 05:36:18,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:18,652 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:18,652 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:18,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:18,655 INFO L82 PathProgramCache]: Analyzing trace with hash -866423877, now seen corresponding path program 1 times [2021-03-26 05:36:18,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:18,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686347615] [2021-03-26 05:36:18,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:18,797 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 05:36:18,798 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-26 05:36:18,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:18,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 05:36:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:18,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 05:36:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:18,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686347615] [2021-03-26 05:36:18,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:18,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:36:18,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227565408] [2021-03-26 05:36:18,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 05:36:18,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:18,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 05:36:18,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 05:36:18,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 61 [2021-03-26 05:36:18,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 24 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:18,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:18,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 61 [2021-03-26 05:36:18,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:18,991 INFO L129 PetriNetUnfolder]: 1023/1641 cut-off events. [2021-03-26 05:36:18,991 INFO L130 PetriNetUnfolder]: For 127/127 co-relation queries the response was YES. [2021-03-26 05:36:18,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3263 conditions, 1641 events. 1023/1641 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 9184 event pairs, 452 based on Foata normal form. 1/1622 useless extension candidates. Maximal degree in co-relation 3233. Up to 810 conditions per place. [2021-03-26 05:36:19,005 INFO L132 encePairwiseOnDemand]: 48/61 looper letters, 23 selfloop transitions, 11 changer transitions 1/46 dead transitions. [2021-03-26 05:36:19,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 46 transitions, 192 flow [2021-03-26 05:36:19,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:36:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:36:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-03-26 05:36:19,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7081967213114754 [2021-03-26 05:36:19,013 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-03-26 05:36:19,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-03-26 05:36:19,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:19,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-03-26 05:36:19,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,020 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,021 INFO L185 Difference]: Start difference. First operand has 40 places, 24 transitions, 78 flow. Second operand 5 states and 216 transitions. [2021-03-26 05:36:19,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 46 transitions, 192 flow [2021-03-26 05:36:19,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 172 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-03-26 05:36:19,029 INFO L241 Difference]: Finished difference. Result has 37 places, 33 transitions, 137 flow [2021-03-26 05:36:19,030 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2021-03-26 05:36:19,030 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, -3 predicate places. [2021-03-26 05:36:19,030 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:19,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 33 transitions, 137 flow [2021-03-26 05:36:19,031 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 33 transitions, 137 flow [2021-03-26 05:36:19,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 33 transitions, 137 flow [2021-03-26 05:36:19,055 INFO L129 PetriNetUnfolder]: 268/595 cut-off events. [2021-03-26 05:36:19,055 INFO L130 PetriNetUnfolder]: For 54/56 co-relation queries the response was YES. [2021-03-26 05:36:19,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 595 events. 268/595 cut-off events. For 54/56 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3730 event pairs, 155 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 1163. Up to 381 conditions per place. [2021-03-26 05:36:19,060 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-26 05:36:19,070 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:19,071 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:19,071 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 05:36:19,072 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 137 flow [2021-03-26 05:36:19,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:19,072 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:19,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 05:36:19,072 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:19,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:19,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1818059171, now seen corresponding path program 2 times [2021-03-26 05:36:19,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:19,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50361486] [2021-03-26 05:36:19,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:19,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:19,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:19,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:19,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:19,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:19,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:19,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:19,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:19,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:19,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50361486] [2021-03-26 05:36:19,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:19,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:19,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329571332] [2021-03-26 05:36:19,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:19,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:19,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:19,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:19,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-26 05:36:19,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 137 flow. Second operand has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:19,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-26 05:36:19,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:19,474 INFO L129 PetriNetUnfolder]: 2532/3837 cut-off events. [2021-03-26 05:36:19,475 INFO L130 PetriNetUnfolder]: For 2271/2439 co-relation queries the response was YES. [2021-03-26 05:36:19,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11650 conditions, 3837 events. 2532/3837 cut-off events. For 2271/2439 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 21966 event pairs, 571 based on Foata normal form. 102/3926 useless extension candidates. Maximal degree in co-relation 11533. Up to 1704 conditions per place. [2021-03-26 05:36:19,496 INFO L132 encePairwiseOnDemand]: 50/61 looper letters, 30 selfloop transitions, 37 changer transitions 0/78 dead transitions. [2021-03-26 05:36:19,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 78 transitions, 462 flow [2021-03-26 05:36:19,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 233 transitions. [2021-03-26 05:36:19,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6366120218579235 [2021-03-26 05:36:19,500 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 233 transitions. [2021-03-26 05:36:19,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 233 transitions. [2021-03-26 05:36:19,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:19,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 233 transitions. [2021-03-26 05:36:19,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,504 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:19,504 INFO L185 Difference]: Start difference. First operand has 37 places, 33 transitions, 137 flow. Second operand 6 states and 233 transitions. [2021-03-26 05:36:19,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 78 transitions, 462 flow [2021-03-26 05:36:19,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 78 transitions, 426 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 05:36:19,507 INFO L241 Difference]: Finished difference. Result has 40 places, 64 transitions, 379 flow [2021-03-26 05:36:19,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=40, PETRI_TRANSITIONS=64} [2021-03-26 05:36:19,508 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places. [2021-03-26 05:36:19,508 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:19,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 64 transitions, 379 flow [2021-03-26 05:36:19,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 64 transitions, 379 flow [2021-03-26 05:36:19,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 64 transitions, 379 flow [2021-03-26 05:36:19,642 INFO L129 PetriNetUnfolder]: 1497/2525 cut-off events. [2021-03-26 05:36:19,642 INFO L130 PetriNetUnfolder]: For 1890/2158 co-relation queries the response was YES. [2021-03-26 05:36:19,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7787 conditions, 2525 events. 1497/2525 cut-off events. For 1890/2158 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 15857 event pairs, 304 based on Foata normal form. 59/2552 useless extension candidates. Maximal degree in co-relation 7629. Up to 1340 conditions per place. [2021-03-26 05:36:19,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-26 05:36:20,141 INFO L154 LiptonReduction]: Checked pairs total: 40 [2021-03-26 05:36:20,141 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:36:20,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 634 [2021-03-26 05:36:20,142 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 64 transitions, 379 flow [2021-03-26 05:36:20,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:20,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:20,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:20,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 05:36:20,143 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:20,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:20,143 INFO L82 PathProgramCache]: Analyzing trace with hash -431297975, now seen corresponding path program 3 times [2021-03-26 05:36:20,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:20,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007521430] [2021-03-26 05:36:20,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:20,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:20,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:20,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:20,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:20,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:20,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:20,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:20,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007521430] [2021-03-26 05:36:20,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:20,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 05:36:20,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378772574] [2021-03-26 05:36:20,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 05:36:20,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:20,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 05:36:20,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 05:36:20,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-26 05:36:20,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 64 transitions, 379 flow. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:20,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:20,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-26 05:36:20,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:20,472 INFO L129 PetriNetUnfolder]: 2653/4083 cut-off events. [2021-03-26 05:36:20,472 INFO L130 PetriNetUnfolder]: For 4514/4862 co-relation queries the response was YES. [2021-03-26 05:36:20,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15888 conditions, 4083 events. 2653/4083 cut-off events. For 4514/4862 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 23469 event pairs, 560 based on Foata normal form. 65/4139 useless extension candidates. Maximal degree in co-relation 15698. Up to 3534 conditions per place. [2021-03-26 05:36:20,499 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 63 selfloop transitions, 36 changer transitions 0/110 dead transitions. [2021-03-26 05:36:20,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 110 transitions, 874 flow [2021-03-26 05:36:20,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:36:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:36:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-03-26 05:36:20,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-03-26 05:36:20,500 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-03-26 05:36:20,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-03-26 05:36:20,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:20,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-03-26 05:36:20,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:20,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:20,502 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:20,502 INFO L185 Difference]: Start difference. First operand has 40 places, 64 transitions, 379 flow. Second operand 5 states and 190 transitions. [2021-03-26 05:36:20,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 110 transitions, 874 flow [2021-03-26 05:36:20,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 110 transitions, 848 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-26 05:36:20,509 INFO L241 Difference]: Finished difference. Result has 45 places, 94 transitions, 727 flow [2021-03-26 05:36:20,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=727, PETRI_PLACES=45, PETRI_TRANSITIONS=94} [2021-03-26 05:36:20,509 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 5 predicate places. [2021-03-26 05:36:20,509 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:20,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 94 transitions, 727 flow [2021-03-26 05:36:20,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 94 transitions, 727 flow [2021-03-26 05:36:20,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 94 transitions, 727 flow [2021-03-26 05:36:20,628 INFO L129 PetriNetUnfolder]: 1556/2618 cut-off events. [2021-03-26 05:36:20,628 INFO L130 PetriNetUnfolder]: For 3923/4152 co-relation queries the response was YES. [2021-03-26 05:36:20,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9067 conditions, 2618 events. 1556/2618 cut-off events. For 3923/4152 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 16658 event pairs, 292 based on Foata normal form. 80/2670 useless extension candidates. Maximal degree in co-relation 8895. Up to 1370 conditions per place. [2021-03-26 05:36:20,678 INFO L142 LiptonReduction]: Number of co-enabled transitions 514 [2021-03-26 05:36:21,795 INFO L154 LiptonReduction]: Checked pairs total: 348 [2021-03-26 05:36:21,795 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 05:36:21,795 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1286 [2021-03-26 05:36:21,796 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 94 transitions, 727 flow [2021-03-26 05:36:21,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:21,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:21,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:21,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 05:36:21,796 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:21,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:21,797 INFO L82 PathProgramCache]: Analyzing trace with hash -764562289, now seen corresponding path program 1 times [2021-03-26 05:36:21,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:21,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921220935] [2021-03-26 05:36:21,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:21,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:21,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:21,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:21,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:21,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:21,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:21,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:21,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:21,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:21,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:21,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:21,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:21,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:21,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921220935] [2021-03-26 05:36:21,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:21,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:21,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305993600] [2021-03-26 05:36:21,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:21,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:21,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:21,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:21,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-03-26 05:36:21,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 94 transitions, 727 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:21,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:21,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-03-26 05:36:21,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:22,278 INFO L129 PetriNetUnfolder]: 3445/5395 cut-off events. [2021-03-26 05:36:22,278 INFO L130 PetriNetUnfolder]: For 10447/10685 co-relation queries the response was YES. [2021-03-26 05:36:22,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22363 conditions, 5395 events. 3445/5395 cut-off events. For 10447/10685 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 33994 event pairs, 480 based on Foata normal form. 177/5560 useless extension candidates. Maximal degree in co-relation 22176. Up to 2454 conditions per place. [2021-03-26 05:36:22,311 INFO L132 encePairwiseOnDemand]: 50/68 looper letters, 34 selfloop transitions, 170 changer transitions 0/215 dead transitions. [2021-03-26 05:36:22,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 215 transitions, 2040 flow [2021-03-26 05:36:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 05:36:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 05:36:22,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 293 transitions. [2021-03-26 05:36:22,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.615546218487395 [2021-03-26 05:36:22,312 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 293 transitions. [2021-03-26 05:36:22,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 293 transitions. [2021-03-26 05:36:22,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:22,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 293 transitions. [2021-03-26 05:36:22,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:22,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:22,314 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:22,314 INFO L185 Difference]: Start difference. First operand has 45 places, 94 transitions, 727 flow. Second operand 7 states and 293 transitions. [2021-03-26 05:36:22,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 215 transitions, 2040 flow [2021-03-26 05:36:22,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 215 transitions, 2034 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 05:36:22,323 INFO L241 Difference]: Finished difference. Result has 52 places, 199 transitions, 2141 flow [2021-03-26 05:36:22,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2141, PETRI_PLACES=52, PETRI_TRANSITIONS=199} [2021-03-26 05:36:22,324 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 12 predicate places. [2021-03-26 05:36:22,324 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:22,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 199 transitions, 2141 flow [2021-03-26 05:36:22,324 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 199 transitions, 2141 flow [2021-03-26 05:36:22,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 199 transitions, 2141 flow [2021-03-26 05:36:22,497 INFO L129 PetriNetUnfolder]: 2036/3503 cut-off events. [2021-03-26 05:36:22,498 INFO L130 PetriNetUnfolder]: For 10292/10993 co-relation queries the response was YES. [2021-03-26 05:36:22,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16636 conditions, 3503 events. 2036/3503 cut-off events. For 10292/10993 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 23798 event pairs, 200 based on Foata normal form. 211/3665 useless extension candidates. Maximal degree in co-relation 16423. Up to 1915 conditions per place. [2021-03-26 05:36:22,547 INFO L142 LiptonReduction]: Number of co-enabled transitions 916 [2021-03-26 05:36:25,861 INFO L154 LiptonReduction]: Checked pairs total: 1770 [2021-03-26 05:36:25,861 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-26 05:36:25,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3537 [2021-03-26 05:36:25,862 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 199 transitions, 2141 flow [2021-03-26 05:36:25,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:25,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:25,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:25,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 05:36:25,863 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:25,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:25,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1220672314, now seen corresponding path program 1 times [2021-03-26 05:36:25,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:25,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969811589] [2021-03-26 05:36:25,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:25,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:25,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:25,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:25,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:25,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:25,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:25,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:25,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:25,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969811589] [2021-03-26 05:36:25,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:25,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 05:36:25,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635373348] [2021-03-26 05:36:25,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 05:36:25,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:25,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 05:36:25,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 05:36:25,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 83 [2021-03-26 05:36:25,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 199 transitions, 2141 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:25,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:25,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 83 [2021-03-26 05:36:25,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:26,369 INFO L129 PetriNetUnfolder]: 3518/5543 cut-off events. [2021-03-26 05:36:26,370 INFO L130 PetriNetUnfolder]: For 19001/20144 co-relation queries the response was YES. [2021-03-26 05:36:26,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30057 conditions, 5543 events. 3518/5543 cut-off events. For 19001/20144 co-relation queries the response was YES. Maximal size of possible extension queue 512. Compared 35334 event pairs, 781 based on Foata normal form. 117/5642 useless extension candidates. Maximal degree in co-relation 29842. Up to 4764 conditions per place. [2021-03-26 05:36:26,417 INFO L132 encePairwiseOnDemand]: 63/83 looper letters, 148 selfloop transitions, 83 changer transitions 0/242 dead transitions. [2021-03-26 05:36:26,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 242 transitions, 3053 flow [2021-03-26 05:36:26,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:36:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:36:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 213 transitions. [2021-03-26 05:36:26,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5132530120481927 [2021-03-26 05:36:26,419 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 213 transitions. [2021-03-26 05:36:26,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 213 transitions. [2021-03-26 05:36:26,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:26,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 213 transitions. [2021-03-26 05:36:26,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:26,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:26,420 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:26,420 INFO L185 Difference]: Start difference. First operand has 52 places, 199 transitions, 2141 flow. Second operand 5 states and 213 transitions. [2021-03-26 05:36:26,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 242 transitions, 3053 flow [2021-03-26 05:36:26,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 242 transitions, 2987 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-26 05:36:26,446 INFO L241 Difference]: Finished difference. Result has 56 places, 221 transitions, 2584 flow [2021-03-26 05:36:26,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=2091, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2584, PETRI_PLACES=56, PETRI_TRANSITIONS=221} [2021-03-26 05:36:26,447 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 16 predicate places. [2021-03-26 05:36:26,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:26,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 221 transitions, 2584 flow [2021-03-26 05:36:26,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 221 transitions, 2584 flow [2021-03-26 05:36:26,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 221 transitions, 2584 flow [2021-03-26 05:36:26,639 INFO L129 PetriNetUnfolder]: 2068/3555 cut-off events. [2021-03-26 05:36:26,639 INFO L130 PetriNetUnfolder]: For 10654/11299 co-relation queries the response was YES. [2021-03-26 05:36:26,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16771 conditions, 3555 events. 2068/3555 cut-off events. For 10654/11299 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 24024 event pairs, 194 based on Foata normal form. 224/3740 useless extension candidates. Maximal degree in co-relation 16551. Up to 1928 conditions per place. [2021-03-26 05:36:26,666 INFO L142 LiptonReduction]: Number of co-enabled transitions 964 [2021-03-26 05:36:29,267 INFO L154 LiptonReduction]: Checked pairs total: 1453 [2021-03-26 05:36:29,267 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 05:36:29,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2820 [2021-03-26 05:36:29,268 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 221 transitions, 2586 flow [2021-03-26 05:36:29,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:29,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:29,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:29,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 05:36:29,268 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:29,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:29,269 INFO L82 PathProgramCache]: Analyzing trace with hash 54742639, now seen corresponding path program 1 times [2021-03-26 05:36:29,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:29,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331159032] [2021-03-26 05:36:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:29,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:29,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:29,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:29,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:29,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:29,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:29,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:29,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:29,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:29,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331159032] [2021-03-26 05:36:29,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:29,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:29,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161053164] [2021-03-26 05:36:29,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:29,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:29,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:29,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:29,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 95 [2021-03-26 05:36:29,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 221 transitions, 2586 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:29,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:29,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 95 [2021-03-26 05:36:29,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:29,848 INFO L129 PetriNetUnfolder]: 3514/5626 cut-off events. [2021-03-26 05:36:29,848 INFO L130 PetriNetUnfolder]: For 20059/20921 co-relation queries the response was YES. [2021-03-26 05:36:29,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30080 conditions, 5626 events. 3514/5626 cut-off events. For 20059/20921 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 36857 event pairs, 616 based on Foata normal form. 314/5921 useless extension candidates. Maximal degree in co-relation 29850. Up to 2627 conditions per place. [2021-03-26 05:36:29,935 INFO L132 encePairwiseOnDemand]: 55/95 looper letters, 82 selfloop transitions, 193 changer transitions 1/287 dead transitions. [2021-03-26 05:36:29,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 287 transitions, 3975 flow [2021-03-26 05:36:29,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2021-03-26 05:36:29,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-03-26 05:36:29,937 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 285 transitions. [2021-03-26 05:36:29,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 285 transitions. [2021-03-26 05:36:29,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:29,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 285 transitions. [2021-03-26 05:36:29,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:29,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:29,939 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:29,939 INFO L185 Difference]: Start difference. First operand has 56 places, 221 transitions, 2586 flow. Second operand 6 states and 285 transitions. [2021-03-26 05:36:29,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 287 transitions, 3975 flow [2021-03-26 05:36:29,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 287 transitions, 3862 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:36:29,956 INFO L241 Difference]: Finished difference. Result has 61 places, 271 transitions, 3749 flow [2021-03-26 05:36:29,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3749, PETRI_PLACES=61, PETRI_TRANSITIONS=271} [2021-03-26 05:36:29,956 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 21 predicate places. [2021-03-26 05:36:29,956 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:29,956 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 271 transitions, 3749 flow [2021-03-26 05:36:29,956 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 271 transitions, 3749 flow [2021-03-26 05:36:29,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 271 transitions, 3749 flow [2021-03-26 05:36:30,155 INFO L129 PetriNetUnfolder]: 2090/3653 cut-off events. [2021-03-26 05:36:30,155 INFO L130 PetriNetUnfolder]: For 13358/13847 co-relation queries the response was YES. [2021-03-26 05:36:30,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19765 conditions, 3653 events. 2090/3653 cut-off events. For 13358/13847 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 25798 event pairs, 217 based on Foata normal form. 165/3768 useless extension candidates. Maximal degree in co-relation 19584. Up to 2013 conditions per place. [2021-03-26 05:36:30,180 INFO L142 LiptonReduction]: Number of co-enabled transitions 994 [2021-03-26 05:36:31,677 INFO L154 LiptonReduction]: Checked pairs total: 360 [2021-03-26 05:36:31,677 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 05:36:31,678 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1722 [2021-03-26 05:36:31,678 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 271 transitions, 3755 flow [2021-03-26 05:36:31,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:31,679 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:31,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:31,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 05:36:31,679 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:31,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:31,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1549664907, now seen corresponding path program 1 times [2021-03-26 05:36:31,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:31,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498546726] [2021-03-26 05:36:31,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:31,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:31,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:31,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:31,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:31,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:31,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:31,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:31,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498546726] [2021-03-26 05:36:31,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:31,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 05:36:31,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885833262] [2021-03-26 05:36:31,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 05:36:31,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:31,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 05:36:31,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 05:36:31,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 05:36:31,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 271 transitions, 3755 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:31,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:31,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 05:36:31,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:32,289 INFO L129 PetriNetUnfolder]: 3462/5565 cut-off events. [2021-03-26 05:36:32,289 INFO L130 PetriNetUnfolder]: For 25204/25719 co-relation queries the response was YES. [2021-03-26 05:36:32,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33328 conditions, 5565 events. 3462/5565 cut-off events. For 25204/25719 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 36780 event pairs, 863 based on Foata normal form. 133/5686 useless extension candidates. Maximal degree in co-relation 33109. Up to 4784 conditions per place. [2021-03-26 05:36:32,316 INFO L132 encePairwiseOnDemand]: 67/98 looper letters, 164 selfloop transitions, 142 changer transitions 1/318 dead transitions. [2021-03-26 05:36:32,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 318 transitions, 5031 flow [2021-03-26 05:36:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:36:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:36:32,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 236 transitions. [2021-03-26 05:36:32,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4816326530612245 [2021-03-26 05:36:32,318 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 236 transitions. [2021-03-26 05:36:32,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 236 transitions. [2021-03-26 05:36:32,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:32,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 236 transitions. [2021-03-26 05:36:32,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:32,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:32,319 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:32,319 INFO L185 Difference]: Start difference. First operand has 61 places, 271 transitions, 3755 flow. Second operand 5 states and 236 transitions. [2021-03-26 05:36:32,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 318 transitions, 5031 flow [2021-03-26 05:36:32,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 318 transitions, 4786 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 05:36:32,344 INFO L241 Difference]: Finished difference. Result has 64 places, 301 transitions, 4466 flow [2021-03-26 05:36:32,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=3540, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4466, PETRI_PLACES=64, PETRI_TRANSITIONS=301} [2021-03-26 05:36:32,344 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 24 predicate places. [2021-03-26 05:36:32,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:32,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 301 transitions, 4466 flow [2021-03-26 05:36:32,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 301 transitions, 4466 flow [2021-03-26 05:36:32,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 301 transitions, 4466 flow [2021-03-26 05:36:32,558 INFO L129 PetriNetUnfolder]: 2100/3722 cut-off events. [2021-03-26 05:36:32,558 INFO L130 PetriNetUnfolder]: For 14057/14492 co-relation queries the response was YES. [2021-03-26 05:36:32,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19434 conditions, 3722 events. 2100/3722 cut-off events. For 14057/14492 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 26387 event pairs, 205 based on Foata normal form. 175/3854 useless extension candidates. Maximal degree in co-relation 19205. Up to 2007 conditions per place. [2021-03-26 05:36:32,581 INFO L142 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-26 05:36:33,666 INFO L154 LiptonReduction]: Checked pairs total: 204 [2021-03-26 05:36:33,667 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:36:33,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1323 [2021-03-26 05:36:33,667 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 300 transitions, 4468 flow [2021-03-26 05:36:33,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:33,668 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:33,668 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:33,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 05:36:33,668 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:33,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:33,668 INFO L82 PathProgramCache]: Analyzing trace with hash -110159512, now seen corresponding path program 1 times [2021-03-26 05:36:33,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:33,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006236306] [2021-03-26 05:36:33,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:33,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:33,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:33,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:33,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:33,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:33,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:33,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:33,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:33,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006236306] [2021-03-26 05:36:33,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:33,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 05:36:33,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728683133] [2021-03-26 05:36:33,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 05:36:33,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:33,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 05:36:33,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 05:36:33,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 100 [2021-03-26 05:36:33,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 300 transitions, 4468 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:33,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:33,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 100 [2021-03-26 05:36:33,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:34,151 INFO L129 PetriNetUnfolder]: 2581/4180 cut-off events. [2021-03-26 05:36:34,151 INFO L130 PetriNetUnfolder]: For 20654/21121 co-relation queries the response was YES. [2021-03-26 05:36:34,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25855 conditions, 4180 events. 2581/4180 cut-off events. For 20654/21121 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 26681 event pairs, 404 based on Foata normal form. 95/4264 useless extension candidates. Maximal degree in co-relation 25709. Up to 3571 conditions per place. [2021-03-26 05:36:34,172 INFO L132 encePairwiseOnDemand]: 69/100 looper letters, 163 selfloop transitions, 160 changer transitions 1/335 dead transitions. [2021-03-26 05:36:34,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 335 transitions, 5649 flow [2021-03-26 05:36:34,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:36:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:36:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 228 transitions. [2021-03-26 05:36:34,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.456 [2021-03-26 05:36:34,174 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 228 transitions. [2021-03-26 05:36:34,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 228 transitions. [2021-03-26 05:36:34,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:34,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 228 transitions. [2021-03-26 05:36:34,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 45.6) internal successors, (228), 5 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:34,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:34,175 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:34,175 INFO L185 Difference]: Start difference. First operand has 63 places, 300 transitions, 4468 flow. Second operand 5 states and 228 transitions. [2021-03-26 05:36:34,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 335 transitions, 5649 flow [2021-03-26 05:36:34,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 335 transitions, 5339 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 05:36:34,203 INFO L241 Difference]: Finished difference. Result has 64 places, 321 transitions, 4969 flow [2021-03-26 05:36:34,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=4161, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4969, PETRI_PLACES=64, PETRI_TRANSITIONS=321} [2021-03-26 05:36:34,203 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 24 predicate places. [2021-03-26 05:36:34,203 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:34,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 321 transitions, 4969 flow [2021-03-26 05:36:34,203 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 321 transitions, 4969 flow [2021-03-26 05:36:34,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 321 transitions, 4969 flow [2021-03-26 05:36:34,402 INFO L129 PetriNetUnfolder]: 2040/3466 cut-off events. [2021-03-26 05:36:34,402 INFO L130 PetriNetUnfolder]: For 13468/13779 co-relation queries the response was YES. [2021-03-26 05:36:34,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18349 conditions, 3466 events. 2040/3466 cut-off events. For 13468/13779 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 23095 event pairs, 208 based on Foata normal form. 158/3596 useless extension candidates. Maximal degree in co-relation 18155. Up to 1959 conditions per place. [2021-03-26 05:36:34,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 758 [2021-03-26 05:36:34,586 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:34,586 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:34,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 383 [2021-03-26 05:36:34,587 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 321 transitions, 4969 flow [2021-03-26 05:36:34,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:34,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:34,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:34,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 05:36:34,588 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:34,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:34,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1006068750, now seen corresponding path program 1 times [2021-03-26 05:36:34,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:34,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375922655] [2021-03-26 05:36:34,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:34,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:34,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:34,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:34,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:34,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:34,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:34,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:34,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375922655] [2021-03-26 05:36:34,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:34,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:34,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991043107] [2021-03-26 05:36:34,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:34,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:34,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:34,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:34,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 100 [2021-03-26 05:36:34,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 321 transitions, 4969 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:34,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:34,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 100 [2021-03-26 05:36:34,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:35,141 INFO L129 PetriNetUnfolder]: 2550/4172 cut-off events. [2021-03-26 05:36:35,141 INFO L130 PetriNetUnfolder]: For 18787/18985 co-relation queries the response was YES. [2021-03-26 05:36:35,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25810 conditions, 4172 events. 2550/4172 cut-off events. For 18787/18985 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 27018 event pairs, 354 based on Foata normal form. 85/4253 useless extension candidates. Maximal degree in co-relation 25625. Up to 2129 conditions per place. [2021-03-26 05:36:35,164 INFO L132 encePairwiseOnDemand]: 52/100 looper letters, 30 selfloop transitions, 338 changer transitions 0/379 dead transitions. [2021-03-26 05:36:35,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 379 transitions, 6693 flow [2021-03-26 05:36:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 05:36:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 05:36:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 313 transitions. [2021-03-26 05:36:35,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4471428571428571 [2021-03-26 05:36:35,166 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 313 transitions. [2021-03-26 05:36:35,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 313 transitions. [2021-03-26 05:36:35,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:35,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 313 transitions. [2021-03-26 05:36:35,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:35,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:35,167 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:35,167 INFO L185 Difference]: Start difference. First operand has 64 places, 321 transitions, 4969 flow. Second operand 7 states and 313 transitions. [2021-03-26 05:36:35,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 379 transitions, 6693 flow [2021-03-26 05:36:35,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 379 transitions, 6499 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:36:35,196 INFO L241 Difference]: Finished difference. Result has 70 places, 371 transitions, 6624 flow [2021-03-26 05:36:35,196 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=4811, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=6624, PETRI_PLACES=70, PETRI_TRANSITIONS=371} [2021-03-26 05:36:35,196 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 30 predicate places. [2021-03-26 05:36:35,196 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:35,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 371 transitions, 6624 flow [2021-03-26 05:36:35,197 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 371 transitions, 6624 flow [2021-03-26 05:36:35,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 371 transitions, 6624 flow [2021-03-26 05:36:35,421 INFO L129 PetriNetUnfolder]: 2101/3527 cut-off events. [2021-03-26 05:36:35,421 INFO L130 PetriNetUnfolder]: For 19949/20506 co-relation queries the response was YES. [2021-03-26 05:36:35,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22193 conditions, 3527 events. 2101/3527 cut-off events. For 19949/20506 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 23197 event pairs, 219 based on Foata normal form. 233/3732 useless extension candidates. Maximal degree in co-relation 22012. Up to 2054 conditions per place. [2021-03-26 05:36:35,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 772 [2021-03-26 05:36:35,598 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:35,598 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:35,599 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-03-26 05:36:35,599 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 371 transitions, 6624 flow [2021-03-26 05:36:35,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:35,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:35,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:35,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 05:36:35,600 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:35,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:35,600 INFO L82 PathProgramCache]: Analyzing trace with hash 309260872, now seen corresponding path program 2 times [2021-03-26 05:36:35,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:35,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368103287] [2021-03-26 05:36:35,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:35,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:35,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:35,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:35,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:35,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:35,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:35,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:35,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:35,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:35,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:35,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368103287] [2021-03-26 05:36:35,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:35,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:35,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256531106] [2021-03-26 05:36:35,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:35,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:35,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:35,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:35,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 100 [2021-03-26 05:36:35,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 371 transitions, 6624 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:35,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:35,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 100 [2021-03-26 05:36:35,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:36,097 INFO L129 PetriNetUnfolder]: 1997/3371 cut-off events. [2021-03-26 05:36:36,097 INFO L130 PetriNetUnfolder]: For 18354/18544 co-relation queries the response was YES. [2021-03-26 05:36:36,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23669 conditions, 3371 events. 1997/3371 cut-off events. For 18354/18544 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 21473 event pairs, 296 based on Foata normal form. 202/3571 useless extension candidates. Maximal degree in co-relation 23524. Up to 1702 conditions per place. [2021-03-26 05:36:36,112 INFO L132 encePairwiseOnDemand]: 69/100 looper letters, 93 selfloop transitions, 277 changer transitions 0/381 dead transitions. [2021-03-26 05:36:36,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 381 transitions, 7256 flow [2021-03-26 05:36:36,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 258 transitions. [2021-03-26 05:36:36,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43 [2021-03-26 05:36:36,113 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 258 transitions. [2021-03-26 05:36:36,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 258 transitions. [2021-03-26 05:36:36,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:36,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 258 transitions. [2021-03-26 05:36:36,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,115 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,115 INFO L185 Difference]: Start difference. First operand has 70 places, 371 transitions, 6624 flow. Second operand 6 states and 258 transitions. [2021-03-26 05:36:36,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 381 transitions, 7256 flow [2021-03-26 05:36:36,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 381 transitions, 6452 flow, removed 192 selfloop flow, removed 4 redundant places. [2021-03-26 05:36:36,144 INFO L241 Difference]: Finished difference. Result has 73 places, 360 transitions, 6284 flow [2021-03-26 05:36:36,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=4407, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6284, PETRI_PLACES=73, PETRI_TRANSITIONS=360} [2021-03-26 05:36:36,145 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 33 predicate places. [2021-03-26 05:36:36,145 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:36,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 360 transitions, 6284 flow [2021-03-26 05:36:36,145 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 360 transitions, 6284 flow [2021-03-26 05:36:36,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 360 transitions, 6284 flow [2021-03-26 05:36:36,333 INFO L129 PetriNetUnfolder]: 1644/2852 cut-off events. [2021-03-26 05:36:36,333 INFO L130 PetriNetUnfolder]: For 15730/16115 co-relation queries the response was YES. [2021-03-26 05:36:36,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18316 conditions, 2852 events. 1644/2852 cut-off events. For 15730/16115 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 18441 event pairs, 166 based on Foata normal form. 130/2971 useless extension candidates. Maximal degree in co-relation 18183. Up to 1443 conditions per place. [2021-03-26 05:36:36,350 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-26 05:36:36,439 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:36,439 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:36,439 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 294 [2021-03-26 05:36:36,439 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 360 transitions, 6284 flow [2021-03-26 05:36:36,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:36,440 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:36,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 05:36:36,440 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:36,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1648409906, now seen corresponding path program 3 times [2021-03-26 05:36:36,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:36,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063001332] [2021-03-26 05:36:36,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:36,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:36,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:36,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:36,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:36,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:36,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:36,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:36,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:36,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:36,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063001332] [2021-03-26 05:36:36,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:36,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:36,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864822274] [2021-03-26 05:36:36,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:36,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:36,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:36,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:36,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 100 [2021-03-26 05:36:36,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 360 transitions, 6284 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:36,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 100 [2021-03-26 05:36:36,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:36,935 INFO L129 PetriNetUnfolder]: 2006/3449 cut-off events. [2021-03-26 05:36:36,935 INFO L130 PetriNetUnfolder]: For 21533/21721 co-relation queries the response was YES. [2021-03-26 05:36:36,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24704 conditions, 3449 events. 2006/3449 cut-off events. For 21533/21721 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 22541 event pairs, 347 based on Foata normal form. 120/3566 useless extension candidates. Maximal degree in co-relation 24538. Up to 1646 conditions per place. [2021-03-26 05:36:36,952 INFO L132 encePairwiseOnDemand]: 70/100 looper letters, 90 selfloop transitions, 307 changer transitions 0/408 dead transitions. [2021-03-26 05:36:36,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 408 transitions, 7844 flow [2021-03-26 05:36:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 258 transitions. [2021-03-26 05:36:36,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43 [2021-03-26 05:36:36,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 258 transitions. [2021-03-26 05:36:36,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 258 transitions. [2021-03-26 05:36:36,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:36,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 258 transitions. [2021-03-26 05:36:36,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,961 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:36,961 INFO L185 Difference]: Start difference. First operand has 73 places, 360 transitions, 6284 flow. Second operand 6 states and 258 transitions. [2021-03-26 05:36:36,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 408 transitions, 7844 flow [2021-03-26 05:36:37,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 408 transitions, 7392 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-03-26 05:36:37,005 INFO L241 Difference]: Finished difference. Result has 75 places, 389 transitions, 7139 flow [2021-03-26 05:36:37,006 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=5841, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=275, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7139, PETRI_PLACES=75, PETRI_TRANSITIONS=389} [2021-03-26 05:36:37,006 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 35 predicate places. [2021-03-26 05:36:37,006 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:37,006 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 389 transitions, 7139 flow [2021-03-26 05:36:37,006 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 389 transitions, 7139 flow [2021-03-26 05:36:37,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 389 transitions, 7139 flow [2021-03-26 05:36:37,210 INFO L129 PetriNetUnfolder]: 1665/2936 cut-off events. [2021-03-26 05:36:37,210 INFO L130 PetriNetUnfolder]: For 18558/18885 co-relation queries the response was YES. [2021-03-26 05:36:37,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19274 conditions, 2936 events. 1665/2936 cut-off events. For 18558/18885 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 19428 event pairs, 136 based on Foata normal form. 150/3047 useless extension candidates. Maximal degree in co-relation 19111. Up to 1329 conditions per place. [2021-03-26 05:36:37,227 INFO L142 LiptonReduction]: Number of co-enabled transitions 640 [2021-03-26 05:36:37,468 INFO L154 LiptonReduction]: Checked pairs total: 29 [2021-03-26 05:36:37,468 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:36:37,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 462 [2021-03-26 05:36:37,469 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 389 transitions, 7143 flow [2021-03-26 05:36:37,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:37,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:37,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:37,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 05:36:37,469 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:37,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:37,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1781352568, now seen corresponding path program 4 times [2021-03-26 05:36:37,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:37,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728062160] [2021-03-26 05:36:37,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:37,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:37,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:37,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:36:37,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:37,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:37,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:37,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:37,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:37,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:37,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728062160] [2021-03-26 05:36:37,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:37,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:36:37,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450026823] [2021-03-26 05:36:37,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:36:37,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:37,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:36:37,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:36:37,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 05:36:37,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 389 transitions, 7143 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:37,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:37,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 05:36:37,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:38,083 INFO L129 PetriNetUnfolder]: 2087/3660 cut-off events. [2021-03-26 05:36:38,083 INFO L130 PetriNetUnfolder]: For 22011/22510 co-relation queries the response was YES. [2021-03-26 05:36:38,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26007 conditions, 3660 events. 2087/3660 cut-off events. For 22011/22510 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 24745 event pairs, 33 based on Foata normal form. 90/3746 useless extension candidates. Maximal degree in co-relation 25817. Up to 1530 conditions per place. [2021-03-26 05:36:38,102 INFO L132 encePairwiseOnDemand]: 63/101 looper letters, 28 selfloop transitions, 411 changer transitions 2/452 dead transitions. [2021-03-26 05:36:38,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 452 transitions, 8503 flow [2021-03-26 05:36:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:36:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:36:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 347 transitions. [2021-03-26 05:36:38,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42945544554455445 [2021-03-26 05:36:38,104 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 347 transitions. [2021-03-26 05:36:38,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 347 transitions. [2021-03-26 05:36:38,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:38,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 347 transitions. [2021-03-26 05:36:38,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 43.375) internal successors, (347), 8 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:38,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:38,106 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:38,106 INFO L185 Difference]: Start difference. First operand has 75 places, 389 transitions, 7143 flow. Second operand 8 states and 347 transitions. [2021-03-26 05:36:38,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 452 transitions, 8503 flow [2021-03-26 05:36:38,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 452 transitions, 8050 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 05:36:38,143 INFO L241 Difference]: Finished difference. Result has 79 places, 443 transitions, 7991 flow [2021-03-26 05:36:38,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=6675, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=369, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7991, PETRI_PLACES=79, PETRI_TRANSITIONS=443} [2021-03-26 05:36:38,144 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 39 predicate places. [2021-03-26 05:36:38,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:38,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 443 transitions, 7991 flow [2021-03-26 05:36:38,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 443 transitions, 7991 flow [2021-03-26 05:36:38,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 443 transitions, 7991 flow [2021-03-26 05:36:38,392 INFO L129 PetriNetUnfolder]: 1822/3268 cut-off events. [2021-03-26 05:36:38,392 INFO L130 PetriNetUnfolder]: For 21655/21932 co-relation queries the response was YES. [2021-03-26 05:36:38,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21782 conditions, 3268 events. 1822/3268 cut-off events. For 21655/21932 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 22295 event pairs, 40 based on Foata normal form. 177/3443 useless extension candidates. Maximal degree in co-relation 21580. Up to 1530 conditions per place. [2021-03-26 05:36:38,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 778 [2021-03-26 05:36:38,649 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:38,649 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:38,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-03-26 05:36:38,650 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 443 transitions, 7991 flow [2021-03-26 05:36:38,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:38,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:38,650 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:38,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 05:36:38,650 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:38,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:38,651 INFO L82 PathProgramCache]: Analyzing trace with hash -248600898, now seen corresponding path program 5 times [2021-03-26 05:36:38,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:38,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065233759] [2021-03-26 05:36:38,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:38,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:38,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:38,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:38,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:38,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:38,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:38,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:38,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065233759] [2021-03-26 05:36:38,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:38,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:38,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928877188] [2021-03-26 05:36:38,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:38,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:38,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:38,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:38,682 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 05:36:38,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 443 transitions, 7991 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:38,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:38,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 05:36:38,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:39,304 INFO L129 PetriNetUnfolder]: 2234/3939 cut-off events. [2021-03-26 05:36:39,304 INFO L130 PetriNetUnfolder]: For 29069/29543 co-relation queries the response was YES. [2021-03-26 05:36:39,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30280 conditions, 3939 events. 2234/3939 cut-off events. For 29069/29543 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 27333 event pairs, 103 based on Foata normal form. 197/4133 useless extension candidates. Maximal degree in co-relation 30100. Up to 1890 conditions per place. [2021-03-26 05:36:39,324 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 153 selfloop transitions, 353 changer transitions 0/517 dead transitions. [2021-03-26 05:36:39,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 517 transitions, 10236 flow [2021-03-26 05:36:39,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:36:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:36:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 343 transitions. [2021-03-26 05:36:39,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4245049504950495 [2021-03-26 05:36:39,327 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 343 transitions. [2021-03-26 05:36:39,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 343 transitions. [2021-03-26 05:36:39,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:39,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 343 transitions. [2021-03-26 05:36:39,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.875) internal successors, (343), 8 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:39,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:39,329 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:39,329 INFO L185 Difference]: Start difference. First operand has 79 places, 443 transitions, 7991 flow. Second operand 8 states and 343 transitions. [2021-03-26 05:36:39,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 517 transitions, 10236 flow [2021-03-26 05:36:39,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 517 transitions, 10087 flow, removed 72 selfloop flow, removed 1 redundant places. [2021-03-26 05:36:39,387 INFO L241 Difference]: Finished difference. Result has 85 places, 489 transitions, 9418 flow [2021-03-26 05:36:39,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7842, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9418, PETRI_PLACES=85, PETRI_TRANSITIONS=489} [2021-03-26 05:36:39,388 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 45 predicate places. [2021-03-26 05:36:39,388 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:39,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 489 transitions, 9418 flow [2021-03-26 05:36:39,388 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 489 transitions, 9418 flow [2021-03-26 05:36:39,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 489 transitions, 9418 flow [2021-03-26 05:36:39,661 INFO L129 PetriNetUnfolder]: 1943/3517 cut-off events. [2021-03-26 05:36:39,661 INFO L130 PetriNetUnfolder]: For 25396/25630 co-relation queries the response was YES. [2021-03-26 05:36:39,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24359 conditions, 3517 events. 1943/3517 cut-off events. For 25396/25630 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 24654 event pairs, 41 based on Foata normal form. 176/3692 useless extension candidates. Maximal degree in co-relation 24137. Up to 1676 conditions per place. [2021-03-26 05:36:39,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 796 [2021-03-26 05:36:40,211 INFO L154 LiptonReduction]: Checked pairs total: 44 [2021-03-26 05:36:40,212 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:36:40,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 824 [2021-03-26 05:36:40,212 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 489 transitions, 9424 flow [2021-03-26 05:36:40,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:40,212 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:40,212 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:40,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 05:36:40,213 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:40,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:40,213 INFO L82 PathProgramCache]: Analyzing trace with hash -500990016, now seen corresponding path program 2 times [2021-03-26 05:36:40,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:40,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215808137] [2021-03-26 05:36:40,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:40,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:40,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:40,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:40,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:40,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:40,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215808137] [2021-03-26 05:36:40,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:40,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:40,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069244595] [2021-03-26 05:36:40,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:40,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:40,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:40,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:40,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 102 [2021-03-26 05:36:40,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 489 transitions, 9424 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:40,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:40,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 102 [2021-03-26 05:36:40,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:40,878 INFO L129 PetriNetUnfolder]: 2220/4002 cut-off events. [2021-03-26 05:36:40,878 INFO L130 PetriNetUnfolder]: For 31726/32170 co-relation queries the response was YES. [2021-03-26 05:36:40,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31433 conditions, 4002 events. 2220/4002 cut-off events. For 31726/32170 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 28834 event pairs, 86 based on Foata normal form. 223/4222 useless extension candidates. Maximal degree in co-relation 31232. Up to 1887 conditions per place. [2021-03-26 05:36:40,899 INFO L132 encePairwiseOnDemand]: 72/102 looper letters, 144 selfloop transitions, 389 changer transitions 0/544 dead transitions. [2021-03-26 05:36:40,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 544 transitions, 11558 flow [2021-03-26 05:36:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 258 transitions. [2021-03-26 05:36:40,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4215686274509804 [2021-03-26 05:36:40,901 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 258 transitions. [2021-03-26 05:36:40,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 258 transitions. [2021-03-26 05:36:40,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:40,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 258 transitions. [2021-03-26 05:36:40,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:40,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 102.0) internal successors, (714), 7 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:40,902 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 102.0) internal successors, (714), 7 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:40,902 INFO L185 Difference]: Start difference. First operand has 85 places, 489 transitions, 9424 flow. Second operand 6 states and 258 transitions. [2021-03-26 05:36:40,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 544 transitions, 11558 flow [2021-03-26 05:36:40,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 544 transitions, 11131 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 05:36:40,949 INFO L241 Difference]: Finished difference. Result has 87 places, 525 transitions, 10589 flow [2021-03-26 05:36:40,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=8932, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=348, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=10589, PETRI_PLACES=87, PETRI_TRANSITIONS=525} [2021-03-26 05:36:40,950 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 47 predicate places. [2021-03-26 05:36:40,950 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:40,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 525 transitions, 10589 flow [2021-03-26 05:36:40,950 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 525 transitions, 10589 flow [2021-03-26 05:36:40,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 525 transitions, 10589 flow [2021-03-26 05:36:41,258 INFO L129 PetriNetUnfolder]: 1963/3624 cut-off events. [2021-03-26 05:36:41,259 INFO L130 PetriNetUnfolder]: For 29706/30046 co-relation queries the response was YES. [2021-03-26 05:36:41,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25150 conditions, 3624 events. 1963/3624 cut-off events. For 29706/30046 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 26131 event pairs, 35 based on Foata normal form. 191/3810 useless extension candidates. Maximal degree in co-relation 24900. Up to 1713 conditions per place. [2021-03-26 05:36:41,281 INFO L142 LiptonReduction]: Number of co-enabled transitions 816 [2021-03-26 05:36:41,389 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:41,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:41,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-03-26 05:36:41,390 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 525 transitions, 10589 flow [2021-03-26 05:36:41,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:41,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:41,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:41,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 05:36:41,390 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:41,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:41,390 INFO L82 PathProgramCache]: Analyzing trace with hash -337875095, now seen corresponding path program 1 times [2021-03-26 05:36:41,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:41,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085831622] [2021-03-26 05:36:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:41,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:41,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:41,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:41,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:41,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:41,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:36:41,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:41,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:41,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:41,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:41,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:41,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085831622] [2021-03-26 05:36:41,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:41,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:41,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477710487] [2021-03-26 05:36:41,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:41,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:41,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:41,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:41,418 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 102 [2021-03-26 05:36:41,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 525 transitions, 10589 flow. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:41,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:41,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 102 [2021-03-26 05:36:41,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:42,113 INFO L129 PetriNetUnfolder]: 2357/4376 cut-off events. [2021-03-26 05:36:42,113 INFO L130 PetriNetUnfolder]: For 34677/34903 co-relation queries the response was YES. [2021-03-26 05:36:42,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33332 conditions, 4376 events. 2357/4376 cut-off events. For 34677/34903 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 32803 event pairs, 54 based on Foata normal form. 72/4445 useless extension candidates. Maximal degree in co-relation 33068. Up to 1847 conditions per place. [2021-03-26 05:36:42,134 INFO L132 encePairwiseOnDemand]: 65/102 looper letters, 75 selfloop transitions, 492 changer transitions 0/578 dead transitions. [2021-03-26 05:36:42,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 578 transitions, 12132 flow [2021-03-26 05:36:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 259 transitions. [2021-03-26 05:36:42,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42320261437908496 [2021-03-26 05:36:42,136 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 259 transitions. [2021-03-26 05:36:42,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 259 transitions. [2021-03-26 05:36:42,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:42,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 259 transitions. [2021-03-26 05:36:42,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:42,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 102.0) internal successors, (714), 7 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:42,137 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 102.0) internal successors, (714), 7 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:42,137 INFO L185 Difference]: Start difference. First operand has 87 places, 525 transitions, 10589 flow. Second operand 6 states and 259 transitions. [2021-03-26 05:36:42,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 578 transitions, 12132 flow [2021-03-26 05:36:42,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 578 transitions, 11717 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 05:36:42,188 INFO L241 Difference]: Finished difference. Result has 91 places, 575 transitions, 12161 flow [2021-03-26 05:36:42,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=10164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=459, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=12161, PETRI_PLACES=91, PETRI_TRANSITIONS=575} [2021-03-26 05:36:42,188 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 51 predicate places. [2021-03-26 05:36:42,188 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:42,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 575 transitions, 12161 flow [2021-03-26 05:36:42,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 575 transitions, 12161 flow [2021-03-26 05:36:42,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 575 transitions, 12161 flow [2021-03-26 05:36:42,549 INFO L129 PetriNetUnfolder]: 2042/3869 cut-off events. [2021-03-26 05:36:42,550 INFO L130 PetriNetUnfolder]: For 44102/44466 co-relation queries the response was YES. [2021-03-26 05:36:42,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29188 conditions, 3869 events. 2042/3869 cut-off events. For 44102/44466 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 29248 event pairs, 37 based on Foata normal form. 201/4068 useless extension candidates. Maximal degree in co-relation 28925. Up to 1847 conditions per place. [2021-03-26 05:36:42,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-26 05:36:43,210 INFO L154 LiptonReduction]: Checked pairs total: 57 [2021-03-26 05:36:43,210 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:36:43,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1022 [2021-03-26 05:36:43,211 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 575 transitions, 12167 flow [2021-03-26 05:36:43,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:43,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:43,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:43,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 05:36:43,211 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:43,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:43,212 INFO L82 PathProgramCache]: Analyzing trace with hash 371049712, now seen corresponding path program 1 times [2021-03-26 05:36:43,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:43,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390448098] [2021-03-26 05:36:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:43,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:43,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:43,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:43,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:43,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390448098] [2021-03-26 05:36:43,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:43,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:43,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193834925] [2021-03-26 05:36:43,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:43,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:43,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:43,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:43,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 103 [2021-03-26 05:36:43,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 575 transitions, 12167 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:43,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:43,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 103 [2021-03-26 05:36:43,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:44,175 INFO L129 PetriNetUnfolder]: 2411/4535 cut-off events. [2021-03-26 05:36:44,175 INFO L130 PetriNetUnfolder]: For 52971/53223 co-relation queries the response was YES. [2021-03-26 05:36:44,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38540 conditions, 4535 events. 2411/4535 cut-off events. For 52971/53223 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 34838 event pairs, 113 based on Foata normal form. 184/4716 useless extension candidates. Maximal degree in co-relation 38275. Up to 2233 conditions per place. [2021-03-26 05:36:44,201 INFO L132 encePairwiseOnDemand]: 73/103 looper letters, 202 selfloop transitions, 429 changer transitions 4/646 dead transitions. [2021-03-26 05:36:44,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 646 transitions, 14800 flow [2021-03-26 05:36:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:36:44,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:36:44,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 336 transitions. [2021-03-26 05:36:44,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4077669902912621 [2021-03-26 05:36:44,202 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 336 transitions. [2021-03-26 05:36:44,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 336 transitions. [2021-03-26 05:36:44,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:44,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 336 transitions. [2021-03-26 05:36:44,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.0) internal successors, (336), 8 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:44,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 103.0) internal successors, (927), 9 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:44,204 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 103.0) internal successors, (927), 9 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:44,204 INFO L185 Difference]: Start difference. First operand has 91 places, 575 transitions, 12167 flow. Second operand 8 states and 336 transitions. [2021-03-26 05:36:44,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 646 transitions, 14800 flow [2021-03-26 05:36:44,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 646 transitions, 14505 flow, removed 33 selfloop flow, removed 2 redundant places. [2021-03-26 05:36:44,321 INFO L241 Difference]: Finished difference. Result has 96 places, 615 transitions, 13645 flow [2021-03-26 05:36:44,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=11898, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=385, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13645, PETRI_PLACES=96, PETRI_TRANSITIONS=615} [2021-03-26 05:36:44,322 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 56 predicate places. [2021-03-26 05:36:44,322 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:44,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 615 transitions, 13645 flow [2021-03-26 05:36:44,322 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 615 transitions, 13645 flow [2021-03-26 05:36:44,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 615 transitions, 13645 flow [2021-03-26 05:36:44,710 INFO L129 PetriNetUnfolder]: 2072/4000 cut-off events. [2021-03-26 05:36:44,711 INFO L130 PetriNetUnfolder]: For 54938/55449 co-relation queries the response was YES. [2021-03-26 05:36:44,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30866 conditions, 4000 events. 2072/4000 cut-off events. For 54938/55449 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 31045 event pairs, 28 based on Foata normal form. 228/4226 useless extension candidates. Maximal degree in co-relation 30583. Up to 1913 conditions per place. [2021-03-26 05:36:44,738 INFO L142 LiptonReduction]: Number of co-enabled transitions 1052 [2021-03-26 05:36:44,887 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:44,887 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:44,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 565 [2021-03-26 05:36:44,888 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 615 transitions, 13645 flow [2021-03-26 05:36:44,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:44,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:44,888 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:44,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 05:36:44,888 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:44,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:44,888 INFO L82 PathProgramCache]: Analyzing trace with hash 897423024, now seen corresponding path program 1 times [2021-03-26 05:36:44,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:44,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530856745] [2021-03-26 05:36:44,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:44,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:44,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:44,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:36:44,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:44,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:44,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:44,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:44,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:44,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:44,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530856745] [2021-03-26 05:36:44,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:44,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:36:44,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260700089] [2021-03-26 05:36:44,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:36:44,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:44,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:36:44,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:36:44,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 103 [2021-03-26 05:36:44,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 615 transitions, 13645 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:44,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:44,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 103 [2021-03-26 05:36:44,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:45,779 INFO L129 PetriNetUnfolder]: 2517/4766 cut-off events. [2021-03-26 05:36:45,779 INFO L130 PetriNetUnfolder]: For 54382/54644 co-relation queries the response was YES. [2021-03-26 05:36:45,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40547 conditions, 4766 events. 2517/4766 cut-off events. For 54382/54644 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 37288 event pairs, 46 based on Foata normal form. 190/4953 useless extension candidates. Maximal degree in co-relation 40280. Up to 2032 conditions per place. [2021-03-26 05:36:45,806 INFO L132 encePairwiseOnDemand]: 66/103 looper letters, 102 selfloop transitions, 579 changer transitions 0/692 dead transitions. [2021-03-26 05:36:45,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 692 transitions, 15934 flow [2021-03-26 05:36:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:36:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:36:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 381 transitions. [2021-03-26 05:36:45,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4110032362459547 [2021-03-26 05:36:45,808 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 381 transitions. [2021-03-26 05:36:45,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 381 transitions. [2021-03-26 05:36:45,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:45,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 381 transitions. [2021-03-26 05:36:45,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.333333333333336) internal successors, (381), 9 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:45,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 103.0) internal successors, (1030), 10 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:45,810 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 103.0) internal successors, (1030), 10 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:45,810 INFO L185 Difference]: Start difference. First operand has 96 places, 615 transitions, 13645 flow. Second operand 9 states and 381 transitions. [2021-03-26 05:36:45,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 692 transitions, 15934 flow [2021-03-26 05:36:45,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 692 transitions, 15492 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 05:36:45,938 INFO L241 Difference]: Finished difference. Result has 100 places, 656 transitions, 14848 flow [2021-03-26 05:36:45,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=13203, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14848, PETRI_PLACES=100, PETRI_TRANSITIONS=656} [2021-03-26 05:36:45,938 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 60 predicate places. [2021-03-26 05:36:45,938 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:45,938 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 656 transitions, 14848 flow [2021-03-26 05:36:45,938 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 656 transitions, 14848 flow [2021-03-26 05:36:45,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 656 transitions, 14848 flow [2021-03-26 05:36:46,390 INFO L129 PetriNetUnfolder]: 2157/4159 cut-off events. [2021-03-26 05:36:46,390 INFO L130 PetriNetUnfolder]: For 56246/56680 co-relation queries the response was YES. [2021-03-26 05:36:46,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34000 conditions, 4159 events. 2157/4159 cut-off events. For 56246/56680 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 32854 event pairs, 46 based on Foata normal form. 244/4401 useless extension candidates. Maximal degree in co-relation 33736. Up to 2032 conditions per place. [2021-03-26 05:36:46,416 INFO L142 LiptonReduction]: Number of co-enabled transitions 1106 [2021-03-26 05:36:46,571 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:46,571 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:46,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 633 [2021-03-26 05:36:46,571 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 656 transitions, 14848 flow [2021-03-26 05:36:46,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:46,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:46,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:46,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 05:36:46,572 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:46,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1090344469, now seen corresponding path program 1 times [2021-03-26 05:36:46,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:46,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179705542] [2021-03-26 05:36:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:46,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:36:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:46,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:46,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179705542] [2021-03-26 05:36:46,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:46,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:46,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879081428] [2021-03-26 05:36:46,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:46,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:46,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:46,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:46,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 103 [2021-03-26 05:36:46,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 656 transitions, 14848 flow. Second operand has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:46,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:46,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 103 [2021-03-26 05:36:46,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:47,517 INFO L129 PetriNetUnfolder]: 2513/4782 cut-off events. [2021-03-26 05:36:47,517 INFO L130 PetriNetUnfolder]: For 56626/56879 co-relation queries the response was YES. [2021-03-26 05:36:47,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42846 conditions, 4782 events. 2513/4782 cut-off events. For 56626/56879 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 37472 event pairs, 33 based on Foata normal form. 62/4841 useless extension candidates. Maximal degree in co-relation 42559. Up to 2032 conditions per place. [2021-03-26 05:36:47,546 INFO L132 encePairwiseOnDemand]: 66/103 looper letters, 26 selfloop transitions, 621 changer transitions 1/659 dead transitions. [2021-03-26 05:36:47,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 659 transitions, 16162 flow [2021-03-26 05:36:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 05:36:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 05:36:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 299 transitions. [2021-03-26 05:36:47,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4147018030513176 [2021-03-26 05:36:47,547 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 299 transitions. [2021-03-26 05:36:47,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 299 transitions. [2021-03-26 05:36:47,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:47,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 299 transitions. [2021-03-26 05:36:47,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:47,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:47,549 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:47,549 INFO L185 Difference]: Start difference. First operand has 100 places, 656 transitions, 14848 flow. Second operand 7 states and 299 transitions. [2021-03-26 05:36:47,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 659 transitions, 16162 flow [2021-03-26 05:36:47,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 659 transitions, 15016 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-26 05:36:47,700 INFO L241 Difference]: Finished difference. Result has 101 places, 655 transitions, 14930 flow [2021-03-26 05:36:47,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=13688, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=621, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=14930, PETRI_PLACES=101, PETRI_TRANSITIONS=655} [2021-03-26 05:36:47,701 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 61 predicate places. [2021-03-26 05:36:47,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:47,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 655 transitions, 14930 flow [2021-03-26 05:36:47,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 655 transitions, 14930 flow [2021-03-26 05:36:47,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 655 transitions, 14930 flow [2021-03-26 05:36:48,116 INFO L129 PetriNetUnfolder]: 2153/4185 cut-off events. [2021-03-26 05:36:48,116 INFO L130 PetriNetUnfolder]: For 50095/50514 co-relation queries the response was YES. [2021-03-26 05:36:48,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34466 conditions, 4185 events. 2153/4185 cut-off events. For 50095/50514 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 33109 event pairs, 33 based on Foata normal form. 237/4419 useless extension candidates. Maximal degree in co-relation 34177. Up to 2032 conditions per place. [2021-03-26 05:36:48,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 1106 [2021-03-26 05:36:48,646 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:48,646 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:48,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 946 [2021-03-26 05:36:48,647 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 655 transitions, 14930 flow [2021-03-26 05:36:48,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:48,647 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:48,647 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:48,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 05:36:48,647 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:48,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:48,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1456240464, now seen corresponding path program 1 times [2021-03-26 05:36:48,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:48,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739258179] [2021-03-26 05:36:48,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:48,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:48,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:48,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:48,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:48,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:48,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:48,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:48,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:48,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:48,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739258179] [2021-03-26 05:36:48,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:48,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:48,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162878391] [2021-03-26 05:36:48,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:48,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:48,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:48,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:48,672 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 103 [2021-03-26 05:36:48,672 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 655 transitions, 14930 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:48,672 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:48,672 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 103 [2021-03-26 05:36:48,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:49,614 INFO L129 PetriNetUnfolder]: 2384/4673 cut-off events. [2021-03-26 05:36:49,614 INFO L130 PetriNetUnfolder]: For 59532/59787 co-relation queries the response was YES. [2021-03-26 05:36:49,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41967 conditions, 4673 events. 2384/4673 cut-off events. For 59532/59787 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 37770 event pairs, 114 based on Foata normal form. 280/4951 useless extension candidates. Maximal degree in co-relation 41699. Up to 2451 conditions per place. [2021-03-26 05:36:49,637 INFO L132 encePairwiseOnDemand]: 73/103 looper letters, 233 selfloop transitions, 458 changer transitions 6/708 dead transitions. [2021-03-26 05:36:49,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 708 transitions, 17501 flow [2021-03-26 05:36:49,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:49,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 255 transitions. [2021-03-26 05:36:49,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41262135922330095 [2021-03-26 05:36:49,639 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 255 transitions. [2021-03-26 05:36:49,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 255 transitions. [2021-03-26 05:36:49,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:49,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 255 transitions. [2021-03-26 05:36:49,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 42.5) internal successors, (255), 6 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:49,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:49,640 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:49,640 INFO L185 Difference]: Start difference. First operand has 101 places, 655 transitions, 14930 flow. Second operand 6 states and 255 transitions. [2021-03-26 05:36:49,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 708 transitions, 17501 flow [2021-03-26 05:36:49,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 708 transitions, 16175 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-26 05:36:49,748 INFO L241 Difference]: Finished difference. Result has 101 places, 685 transitions, 15548 flow [2021-03-26 05:36:49,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=13003, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=396, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=15548, PETRI_PLACES=101, PETRI_TRANSITIONS=685} [2021-03-26 05:36:49,748 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 61 predicate places. [2021-03-26 05:36:49,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:49,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 685 transitions, 15548 flow [2021-03-26 05:36:49,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 685 transitions, 15548 flow [2021-03-26 05:36:49,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 685 transitions, 15548 flow [2021-03-26 05:36:50,182 INFO L129 PetriNetUnfolder]: 2010/4028 cut-off events. [2021-03-26 05:36:50,183 INFO L130 PetriNetUnfolder]: For 47572/47842 co-relation queries the response was YES. [2021-03-26 05:36:50,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31535 conditions, 4028 events. 2010/4028 cut-off events. For 47572/47842 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 32476 event pairs, 29 based on Foata normal form. 228/4255 useless extension candidates. Maximal degree in co-relation 31234. Up to 1923 conditions per place. [2021-03-26 05:36:50,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-26 05:36:50,925 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:50,925 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:50,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1177 [2021-03-26 05:36:50,926 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 685 transitions, 15548 flow [2021-03-26 05:36:50,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:50,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:50,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:50,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 05:36:50,926 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:50,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:50,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1632210358, now seen corresponding path program 6 times [2021-03-26 05:36:50,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:50,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248753112] [2021-03-26 05:36:50,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:50,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:50,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:50,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:50,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:50,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:36:50,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:50,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:50,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:50,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:50,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248753112] [2021-03-26 05:36:50,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:50,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:50,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350917834] [2021-03-26 05:36:50,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:50,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:50,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:50,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:50,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 103 [2021-03-26 05:36:50,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 685 transitions, 15548 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:50,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:50,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 103 [2021-03-26 05:36:50,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:51,890 INFO L129 PetriNetUnfolder]: 2361/4650 cut-off events. [2021-03-26 05:36:51,890 INFO L130 PetriNetUnfolder]: For 52303/52996 co-relation queries the response was YES. [2021-03-26 05:36:51,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40394 conditions, 4650 events. 2361/4650 cut-off events. For 52303/52996 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 37902 event pairs, 45 based on Foata normal form. 210/4854 useless extension candidates. Maximal degree in co-relation 40136. Up to 1932 conditions per place. [2021-03-26 05:36:51,917 INFO L132 encePairwiseOnDemand]: 67/103 looper letters, 92 selfloop transitions, 635 changer transitions 0/738 dead transitions. [2021-03-26 05:36:51,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 738 transitions, 17653 flow [2021-03-26 05:36:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 05:36:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 05:36:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 05:36:51,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42441054091539526 [2021-03-26 05:36:51,920 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 05:36:51,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 05:36:51,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:51,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 05:36:51,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:51,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:51,921 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:51,922 INFO L185 Difference]: Start difference. First operand has 101 places, 685 transitions, 15548 flow. Second operand 7 states and 306 transitions. [2021-03-26 05:36:51,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 738 transitions, 17653 flow [2021-03-26 05:36:52,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 738 transitions, 16991 flow, removed 46 selfloop flow, removed 4 redundant places. [2021-03-26 05:36:52,037 INFO L241 Difference]: Finished difference. Result has 103 places, 713 transitions, 16461 flow [2021-03-26 05:36:52,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=14890, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=607, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=16461, PETRI_PLACES=103, PETRI_TRANSITIONS=713} [2021-03-26 05:36:52,038 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 63 predicate places. [2021-03-26 05:36:52,038 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:52,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 713 transitions, 16461 flow [2021-03-26 05:36:52,038 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 713 transitions, 16461 flow [2021-03-26 05:36:52,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 713 transitions, 16461 flow [2021-03-26 05:36:52,496 INFO L129 PetriNetUnfolder]: 2006/4058 cut-off events. [2021-03-26 05:36:52,496 INFO L130 PetriNetUnfolder]: For 56199/56764 co-relation queries the response was YES. [2021-03-26 05:36:52,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33304 conditions, 4058 events. 2006/4058 cut-off events. For 56199/56764 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 33350 event pairs, 46 based on Foata normal form. 237/4293 useless extension candidates. Maximal degree in co-relation 33028. Up to 1932 conditions per place. [2021-03-26 05:36:52,524 INFO L142 LiptonReduction]: Number of co-enabled transitions 1078 [2021-03-26 05:36:53,118 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:53,118 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:53,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1081 [2021-03-26 05:36:53,119 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 713 transitions, 16461 flow [2021-03-26 05:36:53,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:53,119 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:53,119 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:53,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 05:36:53,119 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:53,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:53,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1912127294, now seen corresponding path program 1 times [2021-03-26 05:36:53,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:53,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780712278] [2021-03-26 05:36:53,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:53,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:53,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:53,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:53,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:53,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:53,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:53,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:53,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780712278] [2021-03-26 05:36:53,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:53,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:53,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270688436] [2021-03-26 05:36:53,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:53,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:53,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:53,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:53,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 103 [2021-03-26 05:36:53,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 713 transitions, 16461 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:53,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:53,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 103 [2021-03-26 05:36:53,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:54,192 INFO L129 PetriNetUnfolder]: 2403/4876 cut-off events. [2021-03-26 05:36:54,193 INFO L130 PetriNetUnfolder]: For 65663/65918 co-relation queries the response was YES. [2021-03-26 05:36:54,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44224 conditions, 4876 events. 2403/4876 cut-off events. For 65663/65918 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 41198 event pairs, 144 based on Foata normal form. 218/5092 useless extension candidates. Maximal degree in co-relation 43939. Up to 2533 conditions per place. [2021-03-26 05:36:54,220 INFO L132 encePairwiseOnDemand]: 73/103 looper letters, 270 selfloop transitions, 535 changer transitions 12/828 dead transitions. [2021-03-26 05:36:54,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 828 transitions, 20903 flow [2021-03-26 05:36:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:36:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:36:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 339 transitions. [2021-03-26 05:36:54,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41140776699029125 [2021-03-26 05:36:54,221 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 339 transitions. [2021-03-26 05:36:54,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 339 transitions. [2021-03-26 05:36:54,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:54,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 339 transitions. [2021-03-26 05:36:54,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.375) internal successors, (339), 8 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:54,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 103.0) internal successors, (927), 9 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:54,223 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 103.0) internal successors, (927), 9 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:54,223 INFO L185 Difference]: Start difference. First operand has 103 places, 713 transitions, 16461 flow. Second operand 8 states and 339 transitions. [2021-03-26 05:36:54,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 828 transitions, 20903 flow [2021-03-26 05:36:54,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 828 transitions, 20064 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 05:36:54,360 INFO L241 Difference]: Finished difference. Result has 106 places, 790 transitions, 18778 flow [2021-03-26 05:36:54,360 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=15700, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=457, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18778, PETRI_PLACES=106, PETRI_TRANSITIONS=790} [2021-03-26 05:36:54,360 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 66 predicate places. [2021-03-26 05:36:54,360 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:54,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 790 transitions, 18778 flow [2021-03-26 05:36:54,361 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 790 transitions, 18778 flow [2021-03-26 05:36:54,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 790 transitions, 18778 flow [2021-03-26 05:36:54,899 INFO L129 PetriNetUnfolder]: 2021/4162 cut-off events. [2021-03-26 05:36:54,899 INFO L130 PetriNetUnfolder]: For 68028/69129 co-relation queries the response was YES. [2021-03-26 05:36:54,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33616 conditions, 4162 events. 2021/4162 cut-off events. For 68028/69129 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 35204 event pairs, 34 based on Foata normal form. 310/4462 useless extension candidates. Maximal degree in co-relation 33343. Up to 1976 conditions per place. [2021-03-26 05:36:54,926 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-26 05:36:55,569 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:36:55,569 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:36:55,569 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1209 [2021-03-26 05:36:55,570 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 790 transitions, 18778 flow [2021-03-26 05:36:55,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:55,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:55,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:55,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 05:36:55,570 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:55,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:55,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2133776610, now seen corresponding path program 7 times [2021-03-26 05:36:55,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:55,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088943401] [2021-03-26 05:36:55,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:55,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:55,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:55,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:36:55,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:55,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:36:55,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:55,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:55,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:55,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:55,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088943401] [2021-03-26 05:36:55,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:55,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:36:55,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571159677] [2021-03-26 05:36:55,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:36:55,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:55,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:36:55,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:36:55,593 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 103 [2021-03-26 05:36:55,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 790 transitions, 18778 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:55,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:55,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 103 [2021-03-26 05:36:55,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:36:56,827 INFO L129 PetriNetUnfolder]: 2594/5343 cut-off events. [2021-03-26 05:36:56,827 INFO L130 PetriNetUnfolder]: For 83358/83613 co-relation queries the response was YES. [2021-03-26 05:36:56,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46326 conditions, 5343 events. 2594/5343 cut-off events. For 83358/83613 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 46793 event pairs, 208 based on Foata normal form. 153/5494 useless extension candidates. Maximal degree in co-relation 46027. Up to 2147 conditions per place. [2021-03-26 05:36:56,859 INFO L132 encePairwiseOnDemand]: 71/103 looper letters, 226 selfloop transitions, 676 changer transitions 5/918 dead transitions. [2021-03-26 05:36:56,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 918 transitions, 22154 flow [2021-03-26 05:36:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:36:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:36:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 260 transitions. [2021-03-26 05:36:56,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42071197411003236 [2021-03-26 05:36:56,860 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 260 transitions. [2021-03-26 05:36:56,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 260 transitions. [2021-03-26 05:36:56,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:36:56,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 260 transitions. [2021-03-26 05:36:56,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:56,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:56,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:56,862 INFO L185 Difference]: Start difference. First operand has 106 places, 790 transitions, 18778 flow. Second operand 6 states and 260 transitions. [2021-03-26 05:36:56,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 918 transitions, 22154 flow [2021-03-26 05:36:57,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 918 transitions, 22088 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 05:36:57,046 INFO L241 Difference]: Finished difference. Result has 112 places, 885 transitions, 22619 flow [2021-03-26 05:36:57,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=18689, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=788, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=600, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=22619, PETRI_PLACES=112, PETRI_TRANSITIONS=885} [2021-03-26 05:36:57,047 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 72 predicate places. [2021-03-26 05:36:57,047 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:36:57,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 885 transitions, 22619 flow [2021-03-26 05:36:57,047 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 885 transitions, 22619 flow [2021-03-26 05:36:57,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 885 transitions, 22619 flow [2021-03-26 05:36:57,684 INFO L129 PetriNetUnfolder]: 2154/4533 cut-off events. [2021-03-26 05:36:57,685 INFO L130 PetriNetUnfolder]: For 85409/86438 co-relation queries the response was YES. [2021-03-26 05:36:57,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40317 conditions, 4533 events. 2154/4533 cut-off events. For 85409/86438 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 39785 event pairs, 43 based on Foata normal form. 378/4906 useless extension candidates. Maximal degree in co-relation 40034. Up to 2142 conditions per place. [2021-03-26 05:36:57,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 1288 [2021-03-26 05:36:59,548 INFO L154 LiptonReduction]: Checked pairs total: 76 [2021-03-26 05:36:59,548 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:36:59,548 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2501 [2021-03-26 05:36:59,549 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 885 transitions, 22625 flow [2021-03-26 05:36:59,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:59,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:36:59,549 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:36:59,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 05:36:59,549 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:36:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:36:59,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1031479170, now seen corresponding path program 2 times [2021-03-26 05:36:59,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:36:59,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256301264] [2021-03-26 05:36:59,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:36:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:36:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:59,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:36:59,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:59,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:59,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:59,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:59,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:59,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:36:59,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:36:59,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:36:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:36:59,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256301264] [2021-03-26 05:36:59,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:36:59,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:36:59,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979394030] [2021-03-26 05:36:59,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:36:59,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:36:59,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:36:59,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:36:59,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:36:59,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 885 transitions, 22625 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:36:59,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:36:59,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:36:59,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:01,053 INFO L129 PetriNetUnfolder]: 2330/4979 cut-off events. [2021-03-26 05:37:01,053 INFO L130 PetriNetUnfolder]: For 81140/81419 co-relation queries the response was YES. [2021-03-26 05:37:01,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48240 conditions, 4979 events. 2330/4979 cut-off events. For 81140/81419 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 44263 event pairs, 158 based on Foata normal form. 242/5219 useless extension candidates. Maximal degree in co-relation 47936. Up to 2834 conditions per place. [2021-03-26 05:37:01,083 INFO L132 encePairwiseOnDemand]: 75/104 looper letters, 364 selfloop transitions, 595 changer transitions 5/975 dead transitions. [2021-03-26 05:37:01,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 975 transitions, 26996 flow [2021-03-26 05:37:01,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:37:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:37:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 339 transitions. [2021-03-26 05:37:01,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4074519230769231 [2021-03-26 05:37:01,085 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 339 transitions. [2021-03-26 05:37:01,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 339 transitions. [2021-03-26 05:37:01,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:01,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 339 transitions. [2021-03-26 05:37:01,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.375) internal successors, (339), 8 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:01,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:01,086 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:01,087 INFO L185 Difference]: Start difference. First operand has 112 places, 885 transitions, 22625 flow. Second operand 8 states and 339 transitions. [2021-03-26 05:37:01,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 975 transitions, 26996 flow [2021-03-26 05:37:01,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 975 transitions, 26947 flow, removed 22 selfloop flow, removed 1 redundant places. [2021-03-26 05:37:01,284 INFO L241 Difference]: Finished difference. Result has 120 places, 945 transitions, 25994 flow [2021-03-26 05:37:01,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=21491, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=500, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25994, PETRI_PLACES=120, PETRI_TRANSITIONS=945} [2021-03-26 05:37:01,285 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 80 predicate places. [2021-03-26 05:37:01,285 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:01,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 945 transitions, 25994 flow [2021-03-26 05:37:01,285 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 945 transitions, 25994 flow [2021-03-26 05:37:01,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 945 transitions, 25994 flow [2021-03-26 05:37:02,034 INFO L129 PetriNetUnfolder]: 1961/4333 cut-off events. [2021-03-26 05:37:02,035 INFO L130 PetriNetUnfolder]: For 91775/93257 co-relation queries the response was YES. [2021-03-26 05:37:02,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41008 conditions, 4333 events. 1961/4333 cut-off events. For 91775/93257 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 39365 event pairs, 39 based on Foata normal form. 392/4717 useless extension candidates. Maximal degree in co-relation 40718. Up to 1986 conditions per place. [2021-03-26 05:37:02,070 INFO L142 LiptonReduction]: Number of co-enabled transitions 1276 [2021-03-26 05:37:02,391 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:02,391 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:02,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1106 [2021-03-26 05:37:02,392 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 945 transitions, 25994 flow [2021-03-26 05:37:02,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:02,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:02,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:02,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 05:37:02,392 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:02,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:02,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1178460821, now seen corresponding path program 1 times [2021-03-26 05:37:02,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:02,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454230456] [2021-03-26 05:37:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:02,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:02,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:02,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:02,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:02,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:02,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:02,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454230456] [2021-03-26 05:37:02,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:02,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:37:02,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591937171] [2021-03-26 05:37:02,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:37:02,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:02,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:37:02,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:37:02,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:02,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 945 transitions, 25994 flow. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:02,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:02,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:02,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:03,895 INFO L129 PetriNetUnfolder]: 2298/4947 cut-off events. [2021-03-26 05:37:03,895 INFO L130 PetriNetUnfolder]: For 92719/93013 co-relation queries the response was YES. [2021-03-26 05:37:03,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50588 conditions, 4947 events. 2298/4947 cut-off events. For 92719/93013 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 44178 event pairs, 167 based on Foata normal form. 86/5030 useless extension candidates. Maximal degree in co-relation 50281. Up to 2147 conditions per place. [2021-03-26 05:37:03,923 INFO L132 encePairwiseOnDemand]: 70/104 looper letters, 285 selfloop transitions, 616 changer transitions 35/947 dead transitions. [2021-03-26 05:37:03,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 947 transitions, 27888 flow [2021-03-26 05:37:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:37:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:37:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 254 transitions. [2021-03-26 05:37:03,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40705128205128205 [2021-03-26 05:37:03,924 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 254 transitions. [2021-03-26 05:37:03,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 254 transitions. [2021-03-26 05:37:03,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:03,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 254 transitions. [2021-03-26 05:37:03,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:03,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:03,925 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:03,926 INFO L185 Difference]: Start difference. First operand has 120 places, 945 transitions, 25994 flow. Second operand 6 states and 254 transitions. [2021-03-26 05:37:03,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 947 transitions, 27888 flow [2021-03-26 05:37:04,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 947 transitions, 27652 flow, removed 80 selfloop flow, removed 2 redundant places. [2021-03-26 05:37:04,143 INFO L241 Difference]: Finished difference. Result has 123 places, 909 transitions, 25699 flow [2021-03-26 05:37:04,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=25744, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=616, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=25699, PETRI_PLACES=123, PETRI_TRANSITIONS=909} [2021-03-26 05:37:04,143 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 83 predicate places. [2021-03-26 05:37:04,143 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:04,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 909 transitions, 25699 flow [2021-03-26 05:37:04,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 909 transitions, 25699 flow [2021-03-26 05:37:04,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 909 transitions, 25699 flow [2021-03-26 05:37:04,818 INFO L129 PetriNetUnfolder]: 1869/4208 cut-off events. [2021-03-26 05:37:04,818 INFO L130 PetriNetUnfolder]: For 93058/94556 co-relation queries the response was YES. [2021-03-26 05:37:04,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41005 conditions, 4208 events. 1869/4208 cut-off events. For 93058/94556 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 38532 event pairs, 37 based on Foata normal form. 383/4585 useless extension candidates. Maximal degree in co-relation 40715. Up to 1683 conditions per place. [2021-03-26 05:37:04,852 INFO L142 LiptonReduction]: Number of co-enabled transitions 1270 [2021-03-26 05:37:05,382 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:05,382 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:05,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1239 [2021-03-26 05:37:05,383 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 909 transitions, 25699 flow [2021-03-26 05:37:05,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:05,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:05,383 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:05,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 05:37:05,383 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:05,383 INFO L82 PathProgramCache]: Analyzing trace with hash 997047720, now seen corresponding path program 2 times [2021-03-26 05:37:05,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:05,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905669675] [2021-03-26 05:37:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:05,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:05,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:05,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:05,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:05,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905669675] [2021-03-26 05:37:05,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:05,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:37:05,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562020016] [2021-03-26 05:37:05,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:37:05,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:05,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:37:05,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:37:05,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:05,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 909 transitions, 25699 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:05,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:05,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:05,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:07,227 INFO L129 PetriNetUnfolder]: 2343/5142 cut-off events. [2021-03-26 05:37:07,227 INFO L130 PetriNetUnfolder]: For 98349/98661 co-relation queries the response was YES. [2021-03-26 05:37:07,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54461 conditions, 5142 events. 2343/5142 cut-off events. For 98349/98661 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 47135 event pairs, 139 based on Foata normal form. 127/5267 useless extension candidates. Maximal degree in co-relation 54150. Up to 1997 conditions per place. [2021-03-26 05:37:07,260 INFO L132 encePairwiseOnDemand]: 69/104 looper letters, 281 selfloop transitions, 731 changer transitions 129/1152 dead transitions. [2021-03-26 05:37:07,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 1152 transitions, 34049 flow [2021-03-26 05:37:07,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:37:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:37:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 692 transitions. [2021-03-26 05:37:07,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3914027149321267 [2021-03-26 05:37:07,261 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 692 transitions. [2021-03-26 05:37:07,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 692 transitions. [2021-03-26 05:37:07,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:07,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 692 transitions. [2021-03-26 05:37:07,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 40.705882352941174) internal successors, (692), 17 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:07,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 104.0) internal successors, (1872), 18 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:07,264 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 104.0) internal successors, (1872), 18 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:07,264 INFO L185 Difference]: Start difference. First operand has 123 places, 909 transitions, 25699 flow. Second operand 17 states and 692 transitions. [2021-03-26 05:37:07,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 1152 transitions, 34049 flow [2021-03-26 05:37:07,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 1152 transitions, 32443 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 05:37:07,575 INFO L241 Difference]: Finished difference. Result has 142 places, 1011 transitions, 28643 flow [2021-03-26 05:37:07,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=24467, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=557, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=28643, PETRI_PLACES=142, PETRI_TRANSITIONS=1011} [2021-03-26 05:37:07,575 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 102 predicate places. [2021-03-26 05:37:07,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:07,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 1011 transitions, 28643 flow [2021-03-26 05:37:07,576 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 1011 transitions, 28643 flow [2021-03-26 05:37:07,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 1011 transitions, 28643 flow [2021-03-26 05:37:08,393 INFO L129 PetriNetUnfolder]: 1810/4176 cut-off events. [2021-03-26 05:37:08,393 INFO L130 PetriNetUnfolder]: For 80418/80936 co-relation queries the response was YES. [2021-03-26 05:37:08,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44146 conditions, 4176 events. 1810/4176 cut-off events. For 80418/80936 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 38594 event pairs, 12 based on Foata normal form. 286/4460 useless extension candidates. Maximal degree in co-relation 43836. Up to 1688 conditions per place. [2021-03-26 05:37:08,434 INFO L142 LiptonReduction]: Number of co-enabled transitions 1408 [2021-03-26 05:37:09,076 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:09,077 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:09,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1502 [2021-03-26 05:37:09,077 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 1011 transitions, 28643 flow [2021-03-26 05:37:09,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:09,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:09,078 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:09,078 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 05:37:09,078 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:09,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:09,078 INFO L82 PathProgramCache]: Analyzing trace with hash -616767200, now seen corresponding path program 8 times [2021-03-26 05:37:09,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:09,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722995922] [2021-03-26 05:37:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:09,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:09,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:09,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:09,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:09,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:09,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:09,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:09,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:09,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:09,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:09,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:09,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722995922] [2021-03-26 05:37:09,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:09,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 05:37:09,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080686031] [2021-03-26 05:37:09,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:37:09,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:09,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:37:09,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:37:09,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:09,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 1011 transitions, 28643 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:09,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:09,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:09,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:10,615 INFO L129 PetriNetUnfolder]: 2032/4600 cut-off events. [2021-03-26 05:37:10,615 INFO L130 PetriNetUnfolder]: For 114305/114715 co-relation queries the response was YES. [2021-03-26 05:37:10,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53629 conditions, 4600 events. 2032/4600 cut-off events. For 114305/114715 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 42392 event pairs, 187 based on Foata normal form. 159/4757 useless extension candidates. Maximal degree in co-relation 53330. Up to 1656 conditions per place. [2021-03-26 05:37:10,649 INFO L132 encePairwiseOnDemand]: 73/104 looper letters, 282 selfloop transitions, 750 changer transitions 4/1047 dead transitions. [2021-03-26 05:37:10,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 1047 transitions, 31253 flow [2021-03-26 05:37:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 05:37:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 05:37:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 260 transitions. [2021-03-26 05:37:10,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2021-03-26 05:37:10,650 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 260 transitions. [2021-03-26 05:37:10,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 260 transitions. [2021-03-26 05:37:10,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:10,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 260 transitions. [2021-03-26 05:37:10,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:10,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:10,652 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:10,652 INFO L185 Difference]: Start difference. First operand has 138 places, 1011 transitions, 28643 flow. Second operand 6 states and 260 transitions. [2021-03-26 05:37:10,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 1047 transitions, 31253 flow [2021-03-26 05:37:11,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 1047 transitions, 31043 flow, removed 72 selfloop flow, removed 5 redundant places. [2021-03-26 05:37:11,039 INFO L241 Difference]: Finished difference. Result has 140 places, 1027 transitions, 30821 flow [2021-03-26 05:37:11,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=28377, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1007, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=730, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=30821, PETRI_PLACES=140, PETRI_TRANSITIONS=1027} [2021-03-26 05:37:11,040 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 100 predicate places. [2021-03-26 05:37:11,040 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:11,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 1027 transitions, 30821 flow [2021-03-26 05:37:11,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 1027 transitions, 30821 flow [2021-03-26 05:37:11,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 1027 transitions, 30821 flow [2021-03-26 05:37:11,817 INFO L129 PetriNetUnfolder]: 1708/3997 cut-off events. [2021-03-26 05:37:11,817 INFO L130 PetriNetUnfolder]: For 92399/93262 co-relation queries the response was YES. [2021-03-26 05:37:11,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45595 conditions, 3997 events. 1708/3997 cut-off events. For 92399/93262 co-relation queries the response was YES. Maximal size of possible extension queue 574. Compared 37338 event pairs, 11 based on Foata normal form. 277/4270 useless extension candidates. Maximal degree in co-relation 45325. Up to 1531 conditions per place. [2021-03-26 05:37:11,858 INFO L142 LiptonReduction]: Number of co-enabled transitions 1384 [2021-03-26 05:37:12,617 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:12,617 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:12,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1577 [2021-03-26 05:37:12,618 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 1027 transitions, 30821 flow [2021-03-26 05:37:12,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:12,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:12,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:12,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 05:37:12,618 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:12,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:12,618 INFO L82 PathProgramCache]: Analyzing trace with hash -913014190, now seen corresponding path program 3 times [2021-03-26 05:37:12,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:12,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789962255] [2021-03-26 05:37:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:12,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:12,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:12,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:12,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:12,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789962255] [2021-03-26 05:37:12,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:12,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:37:12,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193182327] [2021-03-26 05:37:12,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:37:12,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:12,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:37:12,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:37:12,671 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:12,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 1027 transitions, 30821 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:12,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:12,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:12,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:14,645 INFO L129 PetriNetUnfolder]: 2041/4801 cut-off events. [2021-03-26 05:37:14,646 INFO L130 PetriNetUnfolder]: For 112902/113304 co-relation queries the response was YES. [2021-03-26 05:37:14,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58619 conditions, 4801 events. 2041/4801 cut-off events. For 112902/113304 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 45771 event pairs, 118 based on Foata normal form. 217/5016 useless extension candidates. Maximal degree in co-relation 58304. Up to 1793 conditions per place. [2021-03-26 05:37:14,678 INFO L132 encePairwiseOnDemand]: 70/104 looper letters, 305 selfloop transitions, 834 changer transitions 64/1214 dead transitions. [2021-03-26 05:37:14,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 1214 transitions, 38195 flow [2021-03-26 05:37:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:37:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:37:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 703 transitions. [2021-03-26 05:37:14,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39762443438914025 [2021-03-26 05:37:14,679 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 703 transitions. [2021-03-26 05:37:14,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 703 transitions. [2021-03-26 05:37:14,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:14,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 703 transitions. [2021-03-26 05:37:14,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 41.35294117647059) internal successors, (703), 17 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:14,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 104.0) internal successors, (1872), 18 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:14,683 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 104.0) internal successors, (1872), 18 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:14,683 INFO L185 Difference]: Start difference. First operand has 140 places, 1027 transitions, 30821 flow. Second operand 17 states and 703 transitions. [2021-03-26 05:37:14,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 1214 transitions, 38195 flow [2021-03-26 05:37:15,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 1214 transitions, 37028 flow, removed 41 selfloop flow, removed 4 redundant places. [2021-03-26 05:37:15,054 INFO L241 Difference]: Finished difference. Result has 152 places, 1129 transitions, 33780 flow [2021-03-26 05:37:15,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=29651, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1020, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=691, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=33780, PETRI_PLACES=152, PETRI_TRANSITIONS=1129} [2021-03-26 05:37:15,055 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 112 predicate places. [2021-03-26 05:37:15,055 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:15,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 1129 transitions, 33780 flow [2021-03-26 05:37:15,055 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 1129 transitions, 33780 flow [2021-03-26 05:37:15,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 1129 transitions, 33780 flow [2021-03-26 05:37:15,969 INFO L129 PetriNetUnfolder]: 1661/4083 cut-off events. [2021-03-26 05:37:15,969 INFO L130 PetriNetUnfolder]: For 84205/85114 co-relation queries the response was YES. [2021-03-26 05:37:15,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46447 conditions, 4083 events. 1661/4083 cut-off events. For 84205/85114 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 39434 event pairs, 6 based on Foata normal form. 248/4325 useless extension candidates. Maximal degree in co-relation 46148. Up to 1500 conditions per place. [2021-03-26 05:37:16,012 INFO L142 LiptonReduction]: Number of co-enabled transitions 1440 [2021-03-26 05:37:16,818 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:16,819 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:16,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1764 [2021-03-26 05:37:16,819 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 1129 transitions, 33780 flow [2021-03-26 05:37:16,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:16,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:16,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:16,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 05:37:16,820 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:16,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:16,820 INFO L82 PathProgramCache]: Analyzing trace with hash -605389036, now seen corresponding path program 4 times [2021-03-26 05:37:16,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:16,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842432298] [2021-03-26 05:37:16,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:16,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:16,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:16,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:16,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:16,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:16,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:16,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:16,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:16,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:16,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842432298] [2021-03-26 05:37:16,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:16,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:37:16,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948457429] [2021-03-26 05:37:16,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:37:16,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:16,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:37:16,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:37:16,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:16,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 1129 transitions, 33780 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:16,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:16,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:16,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:18,731 INFO L129 PetriNetUnfolder]: 1985/4711 cut-off events. [2021-03-26 05:37:18,731 INFO L130 PetriNetUnfolder]: For 102995/103728 co-relation queries the response was YES. [2021-03-26 05:37:18,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57177 conditions, 4711 events. 1985/4711 cut-off events. For 102995/103728 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 45012 event pairs, 6 based on Foata normal form. 151/4859 useless extension candidates. Maximal degree in co-relation 56858. Up to 1697 conditions per place. [2021-03-26 05:37:18,824 INFO L132 encePairwiseOnDemand]: 70/104 looper letters, 60 selfloop transitions, 1082 changer transitions 2/1155 dead transitions. [2021-03-26 05:37:18,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 1155 transitions, 36497 flow [2021-03-26 05:37:18,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:37:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:37:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 386 transitions. [2021-03-26 05:37:18,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41239316239316237 [2021-03-26 05:37:18,827 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 386 transitions. [2021-03-26 05:37:18,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 386 transitions. [2021-03-26 05:37:18,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:18,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 386 transitions. [2021-03-26 05:37:18,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.888888888888886) internal successors, (386), 9 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:18,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:18,829 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:18,829 INFO L185 Difference]: Start difference. First operand has 152 places, 1129 transitions, 33780 flow. Second operand 9 states and 386 transitions. [2021-03-26 05:37:18,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 1155 transitions, 36497 flow [2021-03-26 05:37:19,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 1155 transitions, 36290 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 05:37:19,147 INFO L241 Difference]: Finished difference. Result has 157 places, 1141 transitions, 35923 flow [2021-03-26 05:37:19,148 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=33582, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1070, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=35923, PETRI_PLACES=157, PETRI_TRANSITIONS=1141} [2021-03-26 05:37:19,148 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 117 predicate places. [2021-03-26 05:37:19,148 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:19,148 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 1141 transitions, 35923 flow [2021-03-26 05:37:19,148 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 1141 transitions, 35923 flow [2021-03-26 05:37:19,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 1141 transitions, 35923 flow [2021-03-26 05:37:20,016 INFO L129 PetriNetUnfolder]: 1658/4112 cut-off events. [2021-03-26 05:37:20,016 INFO L130 PetriNetUnfolder]: For 88828/89393 co-relation queries the response was YES. [2021-03-26 05:37:20,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49260 conditions, 4112 events. 1658/4112 cut-off events. For 88828/89393 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 40226 event pairs, 12 based on Foata normal form. 241/4350 useless extension candidates. Maximal degree in co-relation 48948. Up to 1508 conditions per place. [2021-03-26 05:37:20,055 INFO L142 LiptonReduction]: Number of co-enabled transitions 1478 [2021-03-26 05:37:21,028 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:21,028 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:21,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1880 [2021-03-26 05:37:21,028 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 1141 transitions, 35923 flow [2021-03-26 05:37:21,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:21,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:21,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:21,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 05:37:21,029 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:21,029 INFO L82 PathProgramCache]: Analyzing trace with hash 825894836, now seen corresponding path program 9 times [2021-03-26 05:37:21,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:21,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434395480] [2021-03-26 05:37:21,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:21,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:21,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:21,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:21,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:21,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:21,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:21,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:21,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:21,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:21,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:21,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:21,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434395480] [2021-03-26 05:37:21,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:21,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:37:21,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017377271] [2021-03-26 05:37:21,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:37:21,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:21,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:37:21,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:37:21,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:21,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 1141 transitions, 35923 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:21,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:21,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:21,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:22,844 INFO L129 PetriNetUnfolder]: 1955/4677 cut-off events. [2021-03-26 05:37:22,844 INFO L130 PetriNetUnfolder]: For 110837/111565 co-relation queries the response was YES. [2021-03-26 05:37:22,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59911 conditions, 4677 events. 1955/4677 cut-off events. For 110837/111565 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 45025 event pairs, 14 based on Foata normal form. 217/4891 useless extension candidates. Maximal degree in co-relation 59599. Up to 1697 conditions per place. [2021-03-26 05:37:22,875 INFO L132 encePairwiseOnDemand]: 69/104 looper letters, 152 selfloop transitions, 1000 changer transitions 8/1171 dead transitions. [2021-03-26 05:37:22,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 1171 transitions, 38768 flow [2021-03-26 05:37:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 05:37:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 05:37:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 303 transitions. [2021-03-26 05:37:22,876 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41620879120879123 [2021-03-26 05:37:22,876 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 303 transitions. [2021-03-26 05:37:22,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 303 transitions. [2021-03-26 05:37:22,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:22,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 303 transitions. [2021-03-26 05:37:22,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:22,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:22,878 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:22,878 INFO L185 Difference]: Start difference. First operand has 157 places, 1141 transitions, 35923 flow. Second operand 7 states and 303 transitions. [2021-03-26 05:37:22,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 1171 transitions, 38768 flow [2021-03-26 05:37:23,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 1171 transitions, 37181 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 05:37:23,268 INFO L241 Difference]: Finished difference. Result has 159 places, 1146 transitions, 36662 flow [2021-03-26 05:37:23,269 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=34177, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=980, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=36662, PETRI_PLACES=159, PETRI_TRANSITIONS=1146} [2021-03-26 05:37:23,269 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 119 predicate places. [2021-03-26 05:37:23,269 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:23,269 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 1146 transitions, 36662 flow [2021-03-26 05:37:23,269 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 1146 transitions, 36662 flow [2021-03-26 05:37:23,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 1146 transitions, 36662 flow [2021-03-26 05:37:24,156 INFO L129 PetriNetUnfolder]: 1627/4042 cut-off events. [2021-03-26 05:37:24,156 INFO L130 PetriNetUnfolder]: For 97452/98020 co-relation queries the response was YES. [2021-03-26 05:37:24,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49755 conditions, 4042 events. 1627/4042 cut-off events. For 97452/98020 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 39719 event pairs, 7 based on Foata normal form. 268/4306 useless extension candidates. Maximal degree in co-relation 49487. Up to 1493 conditions per place. [2021-03-26 05:37:24,195 INFO L142 LiptonReduction]: Number of co-enabled transitions 1480 [2021-03-26 05:37:25,180 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:25,180 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:25,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1911 [2021-03-26 05:37:25,181 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 1146 transitions, 36662 flow [2021-03-26 05:37:25,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:25,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:25,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:25,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 05:37:25,181 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:25,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:25,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1386083134, now seen corresponding path program 10 times [2021-03-26 05:37:25,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:25,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69247541] [2021-03-26 05:37:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:25,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:25,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:25,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:25,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:25,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:25,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:25,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:25,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:25,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69247541] [2021-03-26 05:37:25,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:25,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:37:25,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975452383] [2021-03-26 05:37:25,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:37:25,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:25,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:37:25,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:37:25,215 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:25,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 1146 transitions, 36662 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:25,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:25,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:25,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:27,057 INFO L129 PetriNetUnfolder]: 1962/4751 cut-off events. [2021-03-26 05:37:27,057 INFO L130 PetriNetUnfolder]: For 125097/125490 co-relation queries the response was YES. [2021-03-26 05:37:27,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61722 conditions, 4751 events. 1962/4751 cut-off events. For 125097/125490 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 46240 event pairs, 16 based on Foata normal form. 117/4866 useless extension candidates. Maximal degree in co-relation 61410. Up to 1716 conditions per place. [2021-03-26 05:37:27,091 INFO L132 encePairwiseOnDemand]: 70/104 looper letters, 153 selfloop transitions, 1030 changer transitions 14/1208 dead transitions. [2021-03-26 05:37:27,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 1208 transitions, 40242 flow [2021-03-26 05:37:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:37:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:37:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 389 transitions. [2021-03-26 05:37:27,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4155982905982906 [2021-03-26 05:37:27,092 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 389 transitions. [2021-03-26 05:37:27,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 389 transitions. [2021-03-26 05:37:27,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:27,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 389 transitions. [2021-03-26 05:37:27,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 43.22222222222222) internal successors, (389), 9 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:27,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:27,093 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:27,093 INFO L185 Difference]: Start difference. First operand has 159 places, 1146 transitions, 36662 flow. Second operand 9 states and 389 transitions. [2021-03-26 05:37:27,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 1208 transitions, 40242 flow [2021-03-26 05:37:27,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 1208 transitions, 38427 flow, removed 39 selfloop flow, removed 6 redundant places. [2021-03-26 05:37:27,570 INFO L241 Difference]: Finished difference. Result has 161 places, 1171 transitions, 37444 flow [2021-03-26 05:37:27,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=34927, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=996, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=37444, PETRI_PLACES=161, PETRI_TRANSITIONS=1171} [2021-03-26 05:37:27,571 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 121 predicate places. [2021-03-26 05:37:27,571 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:27,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 1171 transitions, 37444 flow [2021-03-26 05:37:27,571 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 1171 transitions, 37444 flow [2021-03-26 05:37:27,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 1171 transitions, 37444 flow [2021-03-26 05:37:28,429 INFO L129 PetriNetUnfolder]: 1628/4148 cut-off events. [2021-03-26 05:37:28,429 INFO L130 PetriNetUnfolder]: For 117116/118586 co-relation queries the response was YES. [2021-03-26 05:37:28,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49860 conditions, 4148 events. 1628/4148 cut-off events. For 117116/118586 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 41062 event pairs, 6 based on Foata normal form. 338/4482 useless extension candidates. Maximal degree in co-relation 49540. Up to 1498 conditions per place. [2021-03-26 05:37:28,468 INFO L142 LiptonReduction]: Number of co-enabled transitions 1494 [2021-03-26 05:37:29,423 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:29,423 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:29,423 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1852 [2021-03-26 05:37:29,423 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 1171 transitions, 37444 flow [2021-03-26 05:37:29,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:29,424 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:29,424 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:29,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 05:37:29,424 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:29,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:29,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1109904478, now seen corresponding path program 2 times [2021-03-26 05:37:29,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:29,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118705993] [2021-03-26 05:37:29,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:29,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:29,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:29,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:29,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:29,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:29,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118705993] [2021-03-26 05:37:29,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:29,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:37:29,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805165249] [2021-03-26 05:37:29,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:37:29,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:29,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:37:29,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:37:29,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:29,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 1171 transitions, 37444 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:29,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:29,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:29,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:31,494 INFO L129 PetriNetUnfolder]: 1921/4832 cut-off events. [2021-03-26 05:37:31,495 INFO L130 PetriNetUnfolder]: For 125859/126280 co-relation queries the response was YES. [2021-03-26 05:37:31,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62154 conditions, 4832 events. 1921/4832 cut-off events. For 125859/126280 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 48411 event pairs, 131 based on Foata normal form. 197/5027 useless extension candidates. Maximal degree in co-relation 61835. Up to 2027 conditions per place. [2021-03-26 05:37:31,527 INFO L132 encePairwiseOnDemand]: 71/104 looper letters, 411 selfloop transitions, 833 changer transitions 50/1305 dead transitions. [2021-03-26 05:37:31,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 1305 transitions, 43879 flow [2021-03-26 05:37:31,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:37:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:37:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 492 transitions. [2021-03-26 05:37:31,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3942307692307692 [2021-03-26 05:37:31,529 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 492 transitions. [2021-03-26 05:37:31,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 492 transitions. [2021-03-26 05:37:31,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:31,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 492 transitions. [2021-03-26 05:37:31,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 41.0) internal successors, (492), 12 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:31,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:31,530 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:31,530 INFO L185 Difference]: Start difference. First operand has 161 places, 1171 transitions, 37444 flow. Second operand 12 states and 492 transitions. [2021-03-26 05:37:31,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 1305 transitions, 43879 flow [2021-03-26 05:37:31,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 1305 transitions, 42932 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 05:37:31,967 INFO L241 Difference]: Finished difference. Result has 168 places, 1221 transitions, 39247 flow [2021-03-26 05:37:31,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=36356, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=732, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=39247, PETRI_PLACES=168, PETRI_TRANSITIONS=1221} [2021-03-26 05:37:31,968 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 128 predicate places. [2021-03-26 05:37:31,968 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:31,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 1221 transitions, 39247 flow [2021-03-26 05:37:31,969 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 1221 transitions, 39247 flow [2021-03-26 05:37:31,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 1221 transitions, 39247 flow [2021-03-26 05:37:32,913 INFO L129 PetriNetUnfolder]: 1534/4055 cut-off events. [2021-03-26 05:37:32,914 INFO L130 PetriNetUnfolder]: For 112897/114068 co-relation queries the response was YES. [2021-03-26 05:37:32,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48907 conditions, 4055 events. 1534/4055 cut-off events. For 112897/114068 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 41436 event pairs, 7 based on Foata normal form. 326/4376 useless extension candidates. Maximal degree in co-relation 48597. Up to 1473 conditions per place. [2021-03-26 05:37:32,953 INFO L142 LiptonReduction]: Number of co-enabled transitions 1490 [2021-03-26 05:37:33,949 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:33,949 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:33,950 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1982 [2021-03-26 05:37:33,950 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 1221 transitions, 39247 flow [2021-03-26 05:37:33,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:33,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:33,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:33,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 05:37:33,950 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:33,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:33,951 INFO L82 PathProgramCache]: Analyzing trace with hash 787876724, now seen corresponding path program 5 times [2021-03-26 05:37:33,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:33,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343958078] [2021-03-26 05:37:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:33,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:33,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:33,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:33,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:33,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:33,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:33,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:33,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:33,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:33,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:33,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343958078] [2021-03-26 05:37:33,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:33,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:37:33,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116988770] [2021-03-26 05:37:33,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:37:33,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:33,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:37:33,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:37:33,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:33,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 1221 transitions, 39247 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:33,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:33,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:33,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:35,825 INFO L129 PetriNetUnfolder]: 1852/4663 cut-off events. [2021-03-26 05:37:35,826 INFO L130 PetriNetUnfolder]: For 115237/115662 co-relation queries the response was YES. [2021-03-26 05:37:35,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59816 conditions, 4663 events. 1852/4663 cut-off events. For 115237/115662 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 46350 event pairs, 6 based on Foata normal form. 103/4764 useless extension candidates. Maximal degree in co-relation 59495. Up to 1688 conditions per place. [2021-03-26 05:37:35,860 INFO L132 encePairwiseOnDemand]: 71/104 looper letters, 60 selfloop transitions, 1159 changer transitions 11/1241 dead transitions. [2021-03-26 05:37:35,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 1241 transitions, 42002 flow [2021-03-26 05:37:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:37:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:37:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 380 transitions. [2021-03-26 05:37:35,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.405982905982906 [2021-03-26 05:37:35,861 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 380 transitions. [2021-03-26 05:37:35,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 380 transitions. [2021-03-26 05:37:35,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:35,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 380 transitions. [2021-03-26 05:37:35,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.22222222222222) internal successors, (380), 9 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:35,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:35,863 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:35,863 INFO L185 Difference]: Start difference. First operand has 168 places, 1221 transitions, 39247 flow. Second operand 9 states and 380 transitions. [2021-03-26 05:37:35,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 1241 transitions, 42002 flow [2021-03-26 05:37:36,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 1241 transitions, 40841 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 05:37:36,313 INFO L241 Difference]: Finished difference. Result has 173 places, 1218 transitions, 40190 flow [2021-03-26 05:37:36,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=38076, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40190, PETRI_PLACES=173, PETRI_TRANSITIONS=1218} [2021-03-26 05:37:36,314 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 133 predicate places. [2021-03-26 05:37:36,314 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:36,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 1218 transitions, 40190 flow [2021-03-26 05:37:36,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 1218 transitions, 40190 flow [2021-03-26 05:37:36,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 1218 transitions, 40190 flow [2021-03-26 05:37:37,312 INFO L129 PetriNetUnfolder]: 1518/3978 cut-off events. [2021-03-26 05:37:37,313 INFO L130 PetriNetUnfolder]: For 115810/116900 co-relation queries the response was YES. [2021-03-26 05:37:37,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50363 conditions, 3978 events. 1518/3978 cut-off events. For 115810/116900 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 40336 event pairs, 13 based on Foata normal form. 291/4264 useless extension candidates. Maximal degree in co-relation 50080. Up to 1457 conditions per place. [2021-03-26 05:37:37,354 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 05:37:38,110 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:38,110 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:38,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1796 [2021-03-26 05:37:38,111 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 1218 transitions, 40190 flow [2021-03-26 05:37:38,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:38,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:38,111 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:38,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 05:37:38,111 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:38,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:38,111 INFO L82 PathProgramCache]: Analyzing trace with hash -645779685, now seen corresponding path program 2 times [2021-03-26 05:37:38,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:38,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830607382] [2021-03-26 05:37:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:38,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:38,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:38,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:38,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:38,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:38,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:38,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:38,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:38,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:38,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:38,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830607382] [2021-03-26 05:37:38,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:38,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:37:38,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790701867] [2021-03-26 05:37:38,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:37:38,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:38,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:37:38,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:37:38,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:38,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 1218 transitions, 40190 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:38,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:38,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:38,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:40,083 INFO L129 PetriNetUnfolder]: 1837/4639 cut-off events. [2021-03-26 05:37:40,084 INFO L130 PetriNetUnfolder]: For 122514/122931 co-relation queries the response was YES. [2021-03-26 05:37:40,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61984 conditions, 4639 events. 1837/4639 cut-off events. For 122514/122931 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 46161 event pairs, 6 based on Foata normal form. 92/4729 useless extension candidates. Maximal degree in co-relation 61656. Up to 1682 conditions per place. [2021-03-26 05:37:40,116 INFO L132 encePairwiseOnDemand]: 72/104 looper letters, 68 selfloop transitions, 1179 changer transitions 9/1267 dead transitions. [2021-03-26 05:37:40,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 1267 transitions, 43689 flow [2021-03-26 05:37:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:37:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:37:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 374 transitions. [2021-03-26 05:37:40,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3995726495726496 [2021-03-26 05:37:40,120 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 374 transitions. [2021-03-26 05:37:40,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 374 transitions. [2021-03-26 05:37:40,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:40,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 374 transitions. [2021-03-26 05:37:40,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.55555555555556) internal successors, (374), 9 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:40,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:40,122 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:40,122 INFO L185 Difference]: Start difference. First operand has 173 places, 1218 transitions, 40190 flow. Second operand 9 states and 374 transitions. [2021-03-26 05:37:40,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 1267 transitions, 43689 flow [2021-03-26 05:37:40,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 1267 transitions, 42698 flow, removed 23 selfloop flow, removed 6 redundant places. [2021-03-26 05:37:40,691 INFO L241 Difference]: Finished difference. Result has 175 places, 1232 transitions, 41657 flow [2021-03-26 05:37:40,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=39216, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41657, PETRI_PLACES=175, PETRI_TRANSITIONS=1232} [2021-03-26 05:37:40,692 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 135 predicate places. [2021-03-26 05:37:40,692 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:40,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 1232 transitions, 41657 flow [2021-03-26 05:37:40,692 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 1232 transitions, 41657 flow [2021-03-26 05:37:40,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 1232 transitions, 41657 flow [2021-03-26 05:37:41,630 INFO L129 PetriNetUnfolder]: 1507/3976 cut-off events. [2021-03-26 05:37:41,630 INFO L130 PetriNetUnfolder]: For 119784/121113 co-relation queries the response was YES. [2021-03-26 05:37:41,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50843 conditions, 3976 events. 1507/3976 cut-off events. For 119784/121113 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 40195 event pairs, 10 based on Foata normal form. 326/4298 useless extension candidates. Maximal degree in co-relation 50536. Up to 1437 conditions per place. [2021-03-26 05:37:41,667 INFO L142 LiptonReduction]: Number of co-enabled transitions 1502 [2021-03-26 05:37:42,522 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:42,522 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:42,522 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1830 [2021-03-26 05:37:42,522 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 1232 transitions, 41657 flow [2021-03-26 05:37:42,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:42,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:42,523 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:42,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 05:37:42,523 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:42,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:42,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2035564207, now seen corresponding path program 3 times [2021-03-26 05:37:42,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:42,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994762520] [2021-03-26 05:37:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:42,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:42,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:42,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:42,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994762520] [2021-03-26 05:37:42,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:42,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:37:42,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694398324] [2021-03-26 05:37:42,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:37:42,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:42,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:37:42,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:37:42,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:42,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 1232 transitions, 41657 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:42,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:42,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:42,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:44,645 INFO L129 PetriNetUnfolder]: 1825/4612 cut-off events. [2021-03-26 05:37:44,645 INFO L130 PetriNetUnfolder]: For 122097/122524 co-relation queries the response was YES. [2021-03-26 05:37:44,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62424 conditions, 4612 events. 1825/4612 cut-off events. For 122097/122524 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 45811 event pairs, 123 based on Foata normal form. 93/4703 useless extension candidates. Maximal degree in co-relation 62095. Up to 1788 conditions per place. [2021-03-26 05:37:44,676 INFO L132 encePairwiseOnDemand]: 72/104 looper letters, 360 selfloop transitions, 882 changer transitions 27/1280 dead transitions. [2021-03-26 05:37:44,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 1280 transitions, 45236 flow [2021-03-26 05:37:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:37:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:37:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 532 transitions. [2021-03-26 05:37:44,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39349112426035504 [2021-03-26 05:37:44,677 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 532 transitions. [2021-03-26 05:37:44,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 532 transitions. [2021-03-26 05:37:44,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:44,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 532 transitions. [2021-03-26 05:37:44,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.92307692307692) internal successors, (532), 13 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:44,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:44,679 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:44,679 INFO L185 Difference]: Start difference. First operand has 175 places, 1232 transitions, 41657 flow. Second operand 13 states and 532 transitions. [2021-03-26 05:37:44,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 1280 transitions, 45236 flow [2021-03-26 05:37:45,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 1280 transitions, 44530 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-03-26 05:37:45,137 INFO L241 Difference]: Finished difference. Result has 183 places, 1234 transitions, 42286 flow [2021-03-26 05:37:45,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=40953, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=854, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=42286, PETRI_PLACES=183, PETRI_TRANSITIONS=1234} [2021-03-26 05:37:45,138 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 143 predicate places. [2021-03-26 05:37:45,138 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:45,138 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 1234 transitions, 42286 flow [2021-03-26 05:37:45,138 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 1234 transitions, 42286 flow [2021-03-26 05:37:45,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 1234 transitions, 42286 flow [2021-03-26 05:37:46,107 INFO L129 PetriNetUnfolder]: 1486/3954 cut-off events. [2021-03-26 05:37:46,107 INFO L130 PetriNetUnfolder]: For 120250/121407 co-relation queries the response was YES. [2021-03-26 05:37:46,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50766 conditions, 3954 events. 1486/3954 cut-off events. For 120250/121407 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 40164 event pairs, 13 based on Foata normal form. 311/4262 useless extension candidates. Maximal degree in co-relation 50450. Up to 1445 conditions per place. [2021-03-26 05:37:46,151 INFO L142 LiptonReduction]: Number of co-enabled transitions 1536 [2021-03-26 05:37:47,288 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:37:47,289 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:37:47,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2151 [2021-03-26 05:37:47,289 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 1234 transitions, 42286 flow [2021-03-26 05:37:47,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:47,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:47,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:47,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 05:37:47,290 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:47,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:47,290 INFO L82 PathProgramCache]: Analyzing trace with hash 2115143193, now seen corresponding path program 4 times [2021-03-26 05:37:47,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:47,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812363542] [2021-03-26 05:37:47,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:47,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:47,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:47,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:47,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:47,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812363542] [2021-03-26 05:37:47,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:47,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:37:47,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16182323] [2021-03-26 05:37:47,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:37:47,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:47,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:37:47,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:37:47,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:47,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 1234 transitions, 42286 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:47,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:47,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:47,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:49,362 INFO L129 PetriNetUnfolder]: 1811/4605 cut-off events. [2021-03-26 05:37:49,363 INFO L130 PetriNetUnfolder]: For 125455/125882 co-relation queries the response was YES. [2021-03-26 05:37:49,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62721 conditions, 4605 events. 1811/4605 cut-off events. For 125455/125882 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 45840 event pairs, 123 based on Foata normal form. 88/4691 useless extension candidates. Maximal degree in co-relation 62388. Up to 1791 conditions per place. [2021-03-26 05:37:49,394 INFO L132 encePairwiseOnDemand]: 72/104 looper letters, 362 selfloop transitions, 887 changer transitions 21/1281 dead transitions. [2021-03-26 05:37:49,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 1281 transitions, 46014 flow [2021-03-26 05:37:49,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:37:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:37:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 667 transitions. [2021-03-26 05:37:49,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.377262443438914 [2021-03-26 05:37:49,395 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 667 transitions. [2021-03-26 05:37:49,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 667 transitions. [2021-03-26 05:37:49,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:49,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 667 transitions. [2021-03-26 05:37:49,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 39.23529411764706) internal successors, (667), 17 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:49,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 104.0) internal successors, (1872), 18 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:49,397 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 104.0) internal successors, (1872), 18 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:49,397 INFO L185 Difference]: Start difference. First operand has 183 places, 1234 transitions, 42286 flow. Second operand 17 states and 667 transitions. [2021-03-26 05:37:49,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 1281 transitions, 46014 flow [2021-03-26 05:37:49,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 1281 transitions, 45785 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 05:37:49,940 INFO L241 Difference]: Finished difference. Result has 196 places, 1239 transitions, 43916 flow [2021-03-26 05:37:49,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=42070, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=863, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=43916, PETRI_PLACES=196, PETRI_TRANSITIONS=1239} [2021-03-26 05:37:49,941 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 156 predicate places. [2021-03-26 05:37:49,941 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:49,941 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 1239 transitions, 43916 flow [2021-03-26 05:37:49,941 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 1239 transitions, 43916 flow [2021-03-26 05:37:49,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 1239 transitions, 43916 flow [2021-03-26 05:37:50,850 INFO L129 PetriNetUnfolder]: 1484/3945 cut-off events. [2021-03-26 05:37:50,851 INFO L130 PetriNetUnfolder]: For 127084/128475 co-relation queries the response was YES. [2021-03-26 05:37:50,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52127 conditions, 3945 events. 1484/3945 cut-off events. For 127084/128475 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 39975 event pairs, 12 based on Foata normal form. 313/4253 useless extension candidates. Maximal degree in co-relation 51820. Up to 1461 conditions per place. [2021-03-26 05:37:50,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 1540 [2021-03-26 05:37:52,599 INFO L154 LiptonReduction]: Checked pairs total: 127 [2021-03-26 05:37:52,599 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:37:52,599 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2658 [2021-03-26 05:37:52,600 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 1238 transitions, 43886 flow [2021-03-26 05:37:52,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:52,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:52,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:52,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 05:37:52,600 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:52,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:52,600 INFO L82 PathProgramCache]: Analyzing trace with hash 403347851, now seen corresponding path program 5 times [2021-03-26 05:37:52,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:52,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165279861] [2021-03-26 05:37:52,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:52,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:52,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:52,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:52,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:52,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:52,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:52,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:52,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:52,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:52,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:52,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165279861] [2021-03-26 05:37:52,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:52,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:37:52,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837495182] [2021-03-26 05:37:52,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:37:52,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:52,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:37:52,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:37:52,641 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:52,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 1238 transitions, 43886 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:52,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:52,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:52,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:37:54,854 INFO L129 PetriNetUnfolder]: 1791/4560 cut-off events. [2021-03-26 05:37:54,854 INFO L130 PetriNetUnfolder]: For 125586/125999 co-relation queries the response was YES. [2021-03-26 05:37:54,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63472 conditions, 4560 events. 1791/4560 cut-off events. For 125586/125999 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 45394 event pairs, 6 based on Foata normal form. 120/4678 useless extension candidates. Maximal degree in co-relation 63137. Up to 1597 conditions per place. [2021-03-26 05:37:54,884 INFO L132 encePairwiseOnDemand]: 71/104 looper letters, 73 selfloop transitions, 1131 changer transitions 45/1260 dead transitions. [2021-03-26 05:37:54,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 1260 transitions, 46519 flow [2021-03-26 05:37:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:37:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:37:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 539 transitions. [2021-03-26 05:37:54,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39866863905325445 [2021-03-26 05:37:54,885 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 539 transitions. [2021-03-26 05:37:54,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 539 transitions. [2021-03-26 05:37:54,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:37:54,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 539 transitions. [2021-03-26 05:37:54,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 41.46153846153846) internal successors, (539), 13 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:54,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:54,887 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:54,887 INFO L185 Difference]: Start difference. First operand has 196 places, 1238 transitions, 43886 flow. Second operand 13 states and 539 transitions. [2021-03-26 05:37:54,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 1260 transitions, 46519 flow [2021-03-26 05:37:55,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 1260 transitions, 45771 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-03-26 05:37:55,336 INFO L241 Difference]: Finished difference. Result has 201 places, 1202 transitions, 44431 flow [2021-03-26 05:37:55,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=42734, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=44431, PETRI_PLACES=201, PETRI_TRANSITIONS=1202} [2021-03-26 05:37:55,337 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 161 predicate places. [2021-03-26 05:37:55,337 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:37:55,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 1202 transitions, 44431 flow [2021-03-26 05:37:55,337 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 1202 transitions, 44431 flow [2021-03-26 05:37:55,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 1202 transitions, 44431 flow [2021-03-26 05:37:56,281 INFO L129 PetriNetUnfolder]: 1435/3868 cut-off events. [2021-03-26 05:37:56,281 INFO L130 PetriNetUnfolder]: For 123044/124143 co-relation queries the response was YES. [2021-03-26 05:37:56,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54152 conditions, 3868 events. 1435/3868 cut-off events. For 123044/124143 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 39374 event pairs, 13 based on Foata normal form. 274/4136 useless extension candidates. Maximal degree in co-relation 53831. Up to 1449 conditions per place. [2021-03-26 05:37:56,320 INFO L142 LiptonReduction]: Number of co-enabled transitions 1540 [2021-03-26 05:37:58,570 INFO L154 LiptonReduction]: Checked pairs total: 127 [2021-03-26 05:37:58,570 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:37:58,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3233 [2021-03-26 05:37:58,571 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 1201 transitions, 44401 flow [2021-03-26 05:37:58,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:58,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:37:58,571 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:37:58,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 05:37:58,571 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:37:58,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:37:58,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1314521994, now seen corresponding path program 11 times [2021-03-26 05:37:58,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:37:58,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630782613] [2021-03-26 05:37:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:37:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:37:58,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:37:58,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:58,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:58,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:58,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:37:58,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:58,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:58,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:58,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:37:58,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:37:58,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:37:58,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:37:58,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630782613] [2021-03-26 05:37:58,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:37:58,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:37:58,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238014173] [2021-03-26 05:37:58,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 05:37:58,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:37:58,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 05:37:58,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 05:37:58,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:37:58,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 1201 transitions, 44401 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:37:58,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:37:58,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:37:58,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:00,412 INFO L129 PetriNetUnfolder]: 1679/4376 cut-off events. [2021-03-26 05:38:00,412 INFO L130 PetriNetUnfolder]: For 140667/141086 co-relation queries the response was YES. [2021-03-26 05:38:00,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65169 conditions, 4376 events. 1679/4376 cut-off events. For 140667/141086 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 44049 event pairs, 12 based on Foata normal form. 173/4546 useless extension candidates. Maximal degree in co-relation 64848. Up to 1566 conditions per place. [2021-03-26 05:38:00,443 INFO L132 encePairwiseOnDemand]: 72/104 looper letters, 165 selfloop transitions, 1016 changer transitions 23/1215 dead transitions. [2021-03-26 05:38:00,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 1215 transitions, 46932 flow [2021-03-26 05:38:00,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 05:38:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 05:38:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 299 transitions. [2021-03-26 05:38:00,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4107142857142857 [2021-03-26 05:38:00,444 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 299 transitions. [2021-03-26 05:38:00,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 299 transitions. [2021-03-26 05:38:00,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:00,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 299 transitions. [2021-03-26 05:38:00,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:00,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:00,446 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:00,446 INFO L185 Difference]: Start difference. First operand has 201 places, 1201 transitions, 44401 flow. Second operand 7 states and 299 transitions. [2021-03-26 05:38:00,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 1215 transitions, 46932 flow [2021-03-26 05:38:00,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 1215 transitions, 45692 flow, removed 10 selfloop flow, removed 9 redundant places. [2021-03-26 05:38:01,000 INFO L241 Difference]: Finished difference. Result has 198 places, 1164 transitions, 43990 flow [2021-03-26 05:38:01,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=42278, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=43990, PETRI_PLACES=198, PETRI_TRANSITIONS=1164} [2021-03-26 05:38:01,000 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 158 predicate places. [2021-03-26 05:38:01,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:01,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 1164 transitions, 43990 flow [2021-03-26 05:38:01,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 1164 transitions, 43990 flow [2021-03-26 05:38:01,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 198 places, 1164 transitions, 43990 flow [2021-03-26 05:38:01,847 INFO L129 PetriNetUnfolder]: 1276/3640 cut-off events. [2021-03-26 05:38:01,847 INFO L130 PetriNetUnfolder]: For 131181/132561 co-relation queries the response was YES. [2021-03-26 05:38:01,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51067 conditions, 3640 events. 1276/3640 cut-off events. For 131181/132561 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 37880 event pairs, 6 based on Foata normal form. 255/3887 useless extension candidates. Maximal degree in co-relation 50763. Up to 1320 conditions per place. [2021-03-26 05:38:01,883 INFO L142 LiptonReduction]: Number of co-enabled transitions 1490 [2021-03-26 05:38:02,528 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:02,528 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:02,528 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1527 [2021-03-26 05:38:02,529 INFO L480 AbstractCegarLoop]: Abstraction has has 198 places, 1164 transitions, 43990 flow [2021-03-26 05:38:02,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:02,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:02,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:02,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 05:38:02,530 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:02,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:02,530 INFO L82 PathProgramCache]: Analyzing trace with hash 348664928, now seen corresponding path program 12 times [2021-03-26 05:38:02,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:02,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255546409] [2021-03-26 05:38:02,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:02,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:02,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:02,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:38:02,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:02,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:38:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:02,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:02,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:02,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:02,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:02,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255546409] [2021-03-26 05:38:02,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:02,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:38:02,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291626545] [2021-03-26 05:38:02,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:38:02,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:02,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:38:02,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:38:02,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:38:02,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 1164 transitions, 43990 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:02,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:02,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:38:02,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:04,485 INFO L129 PetriNetUnfolder]: 1578/4262 cut-off events. [2021-03-26 05:38:04,485 INFO L130 PetriNetUnfolder]: For 144734/145571 co-relation queries the response was YES. [2021-03-26 05:38:04,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62975 conditions, 4262 events. 1578/4262 cut-off events. For 144734/145571 co-relation queries the response was YES. Maximal size of possible extension queue 600. Compared 43794 event pairs, 14 based on Foata normal form. 195/4453 useless extension candidates. Maximal degree in co-relation 62659. Up to 1533 conditions per place. [2021-03-26 05:38:04,513 INFO L132 encePairwiseOnDemand]: 72/104 looper letters, 173 selfloop transitions, 1007 changer transitions 30/1221 dead transitions. [2021-03-26 05:38:04,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 1221 transitions, 47797 flow [2021-03-26 05:38:04,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:38:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:38:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 384 transitions. [2021-03-26 05:38:04,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41025641025641024 [2021-03-26 05:38:04,514 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 384 transitions. [2021-03-26 05:38:04,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 384 transitions. [2021-03-26 05:38:04,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:04,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 384 transitions. [2021-03-26 05:38:04,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.666666666666664) internal successors, (384), 9 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:04,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:04,516 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:04,516 INFO L185 Difference]: Start difference. First operand has 198 places, 1164 transitions, 43990 flow. Second operand 9 states and 384 transitions. [2021-03-26 05:38:04,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 1221 transitions, 47797 flow [2021-03-26 05:38:04,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 1221 transitions, 46261 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-26 05:38:04,951 INFO L241 Difference]: Finished difference. Result has 201 places, 1154 transitions, 44305 flow [2021-03-26 05:38:04,951 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=42397, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=989, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=44305, PETRI_PLACES=201, PETRI_TRANSITIONS=1154} [2021-03-26 05:38:04,951 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 161 predicate places. [2021-03-26 05:38:04,951 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:04,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 1154 transitions, 44305 flow [2021-03-26 05:38:04,952 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 1154 transitions, 44305 flow [2021-03-26 05:38:04,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 1154 transitions, 44305 flow [2021-03-26 05:38:05,754 INFO L129 PetriNetUnfolder]: 1141/3282 cut-off events. [2021-03-26 05:38:05,754 INFO L130 PetriNetUnfolder]: For 138944/140236 co-relation queries the response was YES. [2021-03-26 05:38:05,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47457 conditions, 3282 events. 1141/3282 cut-off events. For 138944/140236 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 33530 event pairs, 1 based on Foata normal form. 231/3508 useless extension candidates. Maximal degree in co-relation 47143. Up to 1225 conditions per place. [2021-03-26 05:38:05,787 INFO L142 LiptonReduction]: Number of co-enabled transitions 1424 [2021-03-26 05:38:06,502 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:06,502 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:06,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1551 [2021-03-26 05:38:06,503 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 1154 transitions, 44305 flow [2021-03-26 05:38:06,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:06,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:06,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:06,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 05:38:06,503 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:06,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:06,504 INFO L82 PathProgramCache]: Analyzing trace with hash 539334188, now seen corresponding path program 1 times [2021-03-26 05:38:06,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:06,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964484113] [2021-03-26 05:38:06,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:06,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:06,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:06,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:06,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:06,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:06,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:06,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:06,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:06,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964484113] [2021-03-26 05:38:06,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:06,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:38:06,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495374726] [2021-03-26 05:38:06,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:38:06,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:06,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:38:06,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:38:06,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:38:06,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 1154 transitions, 44305 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:06,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:06,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:38:06,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:08,324 INFO L129 PetriNetUnfolder]: 1415/3858 cut-off events. [2021-03-26 05:38:08,324 INFO L130 PetriNetUnfolder]: For 140622/140829 co-relation queries the response was YES. [2021-03-26 05:38:08,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58980 conditions, 3858 events. 1415/3858 cut-off events. For 140622/140829 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 38761 event pairs, 88 based on Foata normal form. 55/3910 useless extension candidates. Maximal degree in co-relation 58658. Up to 1356 conditions per place. [2021-03-26 05:38:08,351 INFO L132 encePairwiseOnDemand]: 72/104 looper letters, 295 selfloop transitions, 894 changer transitions 14/1214 dead transitions. [2021-03-26 05:38:08,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 1214 transitions, 48954 flow [2021-03-26 05:38:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:38:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:38:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 428 transitions. [2021-03-26 05:38:08,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4115384615384615 [2021-03-26 05:38:08,352 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 428 transitions. [2021-03-26 05:38:08,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 428 transitions. [2021-03-26 05:38:08,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:08,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 428 transitions. [2021-03-26 05:38:08,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 42.8) internal successors, (428), 10 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:08,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 104.0) internal successors, (1144), 11 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:08,353 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 104.0) internal successors, (1144), 11 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:08,353 INFO L185 Difference]: Start difference. First operand has 201 places, 1154 transitions, 44305 flow. Second operand 10 states and 428 transitions. [2021-03-26 05:38:08,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 1214 transitions, 48954 flow [2021-03-26 05:38:08,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 1214 transitions, 48491 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 05:38:08,800 INFO L241 Difference]: Finished difference. Result has 207 places, 1187 transitions, 46856 flow [2021-03-26 05:38:08,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=43745, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=843, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=46856, PETRI_PLACES=207, PETRI_TRANSITIONS=1187} [2021-03-26 05:38:08,800 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 167 predicate places. [2021-03-26 05:38:08,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:08,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 1187 transitions, 46856 flow [2021-03-26 05:38:08,801 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 1187 transitions, 46856 flow [2021-03-26 05:38:08,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 1187 transitions, 46856 flow [2021-03-26 05:38:09,633 INFO L129 PetriNetUnfolder]: 1135/3281 cut-off events. [2021-03-26 05:38:09,633 INFO L130 PetriNetUnfolder]: For 147924/149355 co-relation queries the response was YES. [2021-03-26 05:38:09,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48675 conditions, 3281 events. 1135/3281 cut-off events. For 147924/149355 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 33821 event pairs, 1 based on Foata normal form. 226/3500 useless extension candidates. Maximal degree in co-relation 48378. Up to 1237 conditions per place. [2021-03-26 05:38:09,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 1430 [2021-03-26 05:38:10,288 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:10,288 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:10,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1488 [2021-03-26 05:38:10,289 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 1187 transitions, 46856 flow [2021-03-26 05:38:10,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:10,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:10,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:10,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 05:38:10,289 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:10,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:10,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1135574070, now seen corresponding path program 3 times [2021-03-26 05:38:10,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:10,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313359099] [2021-03-26 05:38:10,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:10,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:10,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:10,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:10,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:38:10,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:10,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:10,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:10,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:10,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313359099] [2021-03-26 05:38:10,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:10,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:38:10,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493312652] [2021-03-26 05:38:10,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:38:10,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:10,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:38:10,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:38:10,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 104 [2021-03-26 05:38:10,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 1187 transitions, 46856 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:10,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:10,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 104 [2021-03-26 05:38:10,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:11,972 INFO L129 PetriNetUnfolder]: 1377/3788 cut-off events. [2021-03-26 05:38:11,972 INFO L130 PetriNetUnfolder]: For 142051/142274 co-relation queries the response was YES. [2021-03-26 05:38:11,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59135 conditions, 3788 events. 1377/3788 cut-off events. For 142051/142274 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 38285 event pairs, 1 based on Foata normal form. 61/3846 useless extension candidates. Maximal degree in co-relation 58822. Up to 1335 conditions per place. [2021-03-26 05:38:11,999 INFO L132 encePairwiseOnDemand]: 72/104 looper letters, 70 selfloop transitions, 1117 changer transitions 13/1211 dead transitions. [2021-03-26 05:38:11,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 1211 transitions, 49798 flow [2021-03-26 05:38:11,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:38:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:38:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 382 transitions. [2021-03-26 05:38:12,000 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4081196581196581 [2021-03-26 05:38:12,000 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 382 transitions. [2021-03-26 05:38:12,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 382 transitions. [2021-03-26 05:38:12,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:12,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 382 transitions. [2021-03-26 05:38:12,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.44444444444444) internal successors, (382), 9 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:12,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:12,001 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:12,001 INFO L185 Difference]: Start difference. First operand has 207 places, 1187 transitions, 46856 flow. Second operand 9 states and 382 transitions. [2021-03-26 05:38:12,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 1211 transitions, 49798 flow [2021-03-26 05:38:12,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 1211 transitions, 49017 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 05:38:12,502 INFO L241 Difference]: Finished difference. Result has 211 places, 1183 transitions, 47965 flow [2021-03-26 05:38:12,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=45820, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=47965, PETRI_PLACES=211, PETRI_TRANSITIONS=1183} [2021-03-26 05:38:12,503 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 171 predicate places. [2021-03-26 05:38:12,503 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:12,503 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 1183 transitions, 47965 flow [2021-03-26 05:38:12,503 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 1183 transitions, 47965 flow [2021-03-26 05:38:12,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 1183 transitions, 47965 flow [2021-03-26 05:38:13,340 INFO L129 PetriNetUnfolder]: 1083/3226 cut-off events. [2021-03-26 05:38:13,340 INFO L130 PetriNetUnfolder]: For 152577/153988 co-relation queries the response was YES. [2021-03-26 05:38:13,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48828 conditions, 3226 events. 1083/3226 cut-off events. For 152577/153988 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 33572 event pairs, 1 based on Foata normal form. 225/3448 useless extension candidates. Maximal degree in co-relation 48509. Up to 1191 conditions per place. [2021-03-26 05:38:13,372 INFO L142 LiptonReduction]: Number of co-enabled transitions 1436 [2021-03-26 05:38:14,449 INFO L154 LiptonReduction]: Checked pairs total: 124 [2021-03-26 05:38:14,450 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:38:14,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1947 [2021-03-26 05:38:14,450 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 1183 transitions, 47977 flow [2021-03-26 05:38:14,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:14,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:14,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:14,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 05:38:14,451 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:14,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1633766884, now seen corresponding path program 4 times [2021-03-26 05:38:14,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:14,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460903252] [2021-03-26 05:38:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:14,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:14,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:14,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:14,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:14,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:14,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:14,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:14,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:14,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:14,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460903252] [2021-03-26 05:38:14,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:14,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:38:14,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349946697] [2021-03-26 05:38:14,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:38:14,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:14,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:38:14,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:38:14,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:14,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 1183 transitions, 47977 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:14,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:14,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:14,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:16,280 INFO L129 PetriNetUnfolder]: 1354/3774 cut-off events. [2021-03-26 05:38:16,281 INFO L130 PetriNetUnfolder]: For 149575/149848 co-relation queries the response was YES. [2021-03-26 05:38:16,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60107 conditions, 3774 events. 1354/3774 cut-off events. For 149575/149848 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 38352 event pairs, 86 based on Foata normal form. 47/3818 useless extension candidates. Maximal degree in co-relation 59780. Up to 1312 conditions per place. [2021-03-26 05:38:16,309 INFO L132 encePairwiseOnDemand]: 73/105 looper letters, 299 selfloop transitions, 901 changer transitions 10/1221 dead transitions. [2021-03-26 05:38:16,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 1221 transitions, 51464 flow [2021-03-26 05:38:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:38:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:38:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 532 transitions. [2021-03-26 05:38:16,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38974358974358975 [2021-03-26 05:38:16,310 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 532 transitions. [2021-03-26 05:38:16,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 532 transitions. [2021-03-26 05:38:16,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:16,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 532 transitions. [2021-03-26 05:38:16,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.92307692307692) internal successors, (532), 13 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:16,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:16,312 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:16,312 INFO L185 Difference]: Start difference. First operand has 211 places, 1183 transitions, 47977 flow. Second operand 13 states and 532 transitions. [2021-03-26 05:38:16,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 1221 transitions, 51464 flow [2021-03-26 05:38:16,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 1221 transitions, 50314 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-03-26 05:38:16,817 INFO L241 Difference]: Finished difference. Result has 218 places, 1196 transitions, 48939 flow [2021-03-26 05:38:16,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=46858, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=878, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=48939, PETRI_PLACES=218, PETRI_TRANSITIONS=1196} [2021-03-26 05:38:16,817 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 178 predicate places. [2021-03-26 05:38:16,818 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:16,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 1196 transitions, 48939 flow [2021-03-26 05:38:16,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 1196 transitions, 48939 flow [2021-03-26 05:38:16,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 1196 transitions, 48939 flow [2021-03-26 05:38:17,657 INFO L129 PetriNetUnfolder]: 1086/3259 cut-off events. [2021-03-26 05:38:17,657 INFO L130 PetriNetUnfolder]: For 150441/151399 co-relation queries the response was YES. [2021-03-26 05:38:17,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49435 conditions, 3259 events. 1086/3259 cut-off events. For 150441/151399 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 33950 event pairs, 1 based on Foata normal form. 212/3469 useless extension candidates. Maximal degree in co-relation 49103. Up to 1205 conditions per place. [2021-03-26 05:38:17,689 INFO L142 LiptonReduction]: Number of co-enabled transitions 1434 [2021-03-26 05:38:17,979 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:17,979 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:17,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1161 [2021-03-26 05:38:17,979 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 1196 transitions, 48939 flow [2021-03-26 05:38:17,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:17,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:17,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:17,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 05:38:17,980 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:17,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:17,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1885635836, now seen corresponding path program 1 times [2021-03-26 05:38:17,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:17,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954314305] [2021-03-26 05:38:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:17,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:17,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:17,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:17,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:17,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:17,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:17,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:17,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:17,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:17,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:17,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:17,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:18,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:18,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:38:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:18,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:18,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:18,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954314305] [2021-03-26 05:38:18,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:18,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:38:18,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083021709] [2021-03-26 05:38:18,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:38:18,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:18,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:38:18,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:38:18,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:18,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 1196 transitions, 48939 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:18,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:18,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:18,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:19,521 INFO L129 PetriNetUnfolder]: 899/2869 cut-off events. [2021-03-26 05:38:19,521 INFO L130 PetriNetUnfolder]: For 136326/136597 co-relation queries the response was YES. [2021-03-26 05:38:19,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47182 conditions, 2869 events. 899/2869 cut-off events. For 136326/136597 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 30022 event pairs, 1 based on Foata normal form. 271/3138 useless extension candidates. Maximal degree in co-relation 46961. Up to 964 conditions per place. [2021-03-26 05:38:19,540 INFO L132 encePairwiseOnDemand]: 73/105 looper letters, 61 selfloop transitions, 738 changer transitions 152/962 dead transitions. [2021-03-26 05:38:19,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 962 transitions, 40964 flow [2021-03-26 05:38:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:38:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:38:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 376 transitions. [2021-03-26 05:38:19,541 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3978835978835979 [2021-03-26 05:38:19,541 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 376 transitions. [2021-03-26 05:38:19,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 376 transitions. [2021-03-26 05:38:19,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:19,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 376 transitions. [2021-03-26 05:38:19,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.77777777777778) internal successors, (376), 9 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:19,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 105.0) internal successors, (1050), 10 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:19,542 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 105.0) internal successors, (1050), 10 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:19,542 INFO L185 Difference]: Start difference. First operand has 218 places, 1196 transitions, 48939 flow. Second operand 9 states and 376 transitions. [2021-03-26 05:38:19,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 962 transitions, 40964 flow [2021-03-26 05:38:19,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 962 transitions, 39883 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 05:38:19,938 INFO L241 Difference]: Finished difference. Result has 218 places, 800 transitions, 33247 flow [2021-03-26 05:38:19,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=37251, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=738, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=33247, PETRI_PLACES=218, PETRI_TRANSITIONS=800} [2021-03-26 05:38:19,938 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 178 predicate places. [2021-03-26 05:38:19,938 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:19,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 800 transitions, 33247 flow [2021-03-26 05:38:19,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 800 transitions, 33247 flow [2021-03-26 05:38:19,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 800 transitions, 33247 flow [2021-03-26 05:38:20,322 INFO L129 PetriNetUnfolder]: 550/1895 cut-off events. [2021-03-26 05:38:20,322 INFO L130 PetriNetUnfolder]: For 100788/100996 co-relation queries the response was YES. [2021-03-26 05:38:20,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29887 conditions, 1895 events. 550/1895 cut-off events. For 100788/100996 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 18676 event pairs, 1 based on Foata normal form. 55/1948 useless extension candidates. Maximal degree in co-relation 29668. Up to 674 conditions per place. [2021-03-26 05:38:20,339 INFO L142 LiptonReduction]: Number of co-enabled transitions 784 [2021-03-26 05:38:20,499 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:20,499 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:20,499 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 561 [2021-03-26 05:38:20,499 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 800 transitions, 33247 flow [2021-03-26 05:38:20,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:20,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:20,500 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:20,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 05:38:20,500 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:20,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:20,500 INFO L82 PathProgramCache]: Analyzing trace with hash -449452066, now seen corresponding path program 2 times [2021-03-26 05:38:20,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:20,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561034945] [2021-03-26 05:38:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:20,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:20,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:20,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:20,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:20,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561034945] [2021-03-26 05:38:20,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:20,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:38:20,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874439174] [2021-03-26 05:38:20,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:38:20,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:20,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:38:20,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:38:20,538 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:20,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 800 transitions, 33247 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:20,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:20,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:20,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:21,434 INFO L129 PetriNetUnfolder]: 564/1948 cut-off events. [2021-03-26 05:38:21,434 INFO L130 PetriNetUnfolder]: For 104512/104854 co-relation queries the response was YES. [2021-03-26 05:38:21,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33021 conditions, 1948 events. 564/1948 cut-off events. For 104512/104854 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 19342 event pairs, 8 based on Foata normal form. 111/2055 useless extension candidates. Maximal degree in co-relation 32830. Up to 686 conditions per place. [2021-03-26 05:38:21,446 INFO L132 encePairwiseOnDemand]: 76/105 looper letters, 194 selfloop transitions, 544 changer transitions 66/815 dead transitions. [2021-03-26 05:38:21,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 815 transitions, 34928 flow [2021-03-26 05:38:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:38:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:38:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 494 transitions. [2021-03-26 05:38:21,447 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39206349206349206 [2021-03-26 05:38:21,447 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 494 transitions. [2021-03-26 05:38:21,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 494 transitions. [2021-03-26 05:38:21,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:21,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 494 transitions. [2021-03-26 05:38:21,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 41.166666666666664) internal successors, (494), 12 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:21,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 105.0) internal successors, (1365), 13 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:21,449 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 105.0) internal successors, (1365), 13 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:21,449 INFO L185 Difference]: Start difference. First operand has 218 places, 800 transitions, 33247 flow. Second operand 12 states and 494 transitions. [2021-03-26 05:38:21,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 815 transitions, 34928 flow [2021-03-26 05:38:21,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 815 transitions, 33645 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 05:38:21,711 INFO L241 Difference]: Finished difference. Result has 223 places, 729 transitions, 29210 flow [2021-03-26 05:38:21,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=31050, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=776, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=527, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=29210, PETRI_PLACES=223, PETRI_TRANSITIONS=729} [2021-03-26 05:38:21,711 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 183 predicate places. [2021-03-26 05:38:21,711 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:21,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 729 transitions, 29210 flow [2021-03-26 05:38:21,711 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 729 transitions, 29210 flow [2021-03-26 05:38:21,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 729 transitions, 29210 flow [2021-03-26 05:38:21,982 INFO L129 PetriNetUnfolder]: 459/1555 cut-off events. [2021-03-26 05:38:21,982 INFO L130 PetriNetUnfolder]: For 84595/84687 co-relation queries the response was YES. [2021-03-26 05:38:21,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22678 conditions, 1555 events. 459/1555 cut-off events. For 84595/84687 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 14464 event pairs, 1 based on Foata normal form. 17/1570 useless extension candidates. Maximal degree in co-relation 22479. Up to 532 conditions per place. [2021-03-26 05:38:21,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 05:38:22,114 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:22,114 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:22,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-03-26 05:38:22,115 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 729 transitions, 29210 flow [2021-03-26 05:38:22,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:22,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:22,115 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:22,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 05:38:22,116 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:22,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:22,116 INFO L82 PathProgramCache]: Analyzing trace with hash -241312648, now seen corresponding path program 5 times [2021-03-26 05:38:22,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:22,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492395387] [2021-03-26 05:38:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:22,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:22,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:22,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492395387] [2021-03-26 05:38:22,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:22,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:38:22,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276729520] [2021-03-26 05:38:22,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:38:22,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:22,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:38:22,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:38:22,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:22,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 729 transitions, 29210 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:22,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:22,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:22,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:22,964 INFO L129 PetriNetUnfolder]: 494/1636 cut-off events. [2021-03-26 05:38:22,964 INFO L130 PetriNetUnfolder]: For 84255/84443 co-relation queries the response was YES. [2021-03-26 05:38:22,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25529 conditions, 1636 events. 494/1636 cut-off events. For 84255/84443 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 15072 event pairs, 4 based on Foata normal form. 34/1667 useless extension candidates. Maximal degree in co-relation 25328. Up to 559 conditions per place. [2021-03-26 05:38:22,974 INFO L132 encePairwiseOnDemand]: 76/105 looper letters, 130 selfloop transitions, 586 changer transitions 24/751 dead transitions. [2021-03-26 05:38:22,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 751 transitions, 31151 flow [2021-03-26 05:38:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:38:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:38:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 537 transitions. [2021-03-26 05:38:22,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3934065934065934 [2021-03-26 05:38:22,975 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 537 transitions. [2021-03-26 05:38:22,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 537 transitions. [2021-03-26 05:38:22,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:22,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 537 transitions. [2021-03-26 05:38:22,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 41.30769230769231) internal successors, (537), 13 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:22,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:22,977 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:22,977 INFO L185 Difference]: Start difference. First operand has 223 places, 729 transitions, 29210 flow. Second operand 13 states and 537 transitions. [2021-03-26 05:38:22,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 751 transitions, 31151 flow [2021-03-26 05:38:23,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 751 transitions, 31067 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:38:23,216 INFO L241 Difference]: Finished difference. Result has 233 places, 708 transitions, 29189 flow [2021-03-26 05:38:23,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=29091, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=727, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=581, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=29189, PETRI_PLACES=233, PETRI_TRANSITIONS=708} [2021-03-26 05:38:23,216 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 193 predicate places. [2021-03-26 05:38:23,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:23,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 708 transitions, 29189 flow [2021-03-26 05:38:23,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 708 transitions, 29189 flow [2021-03-26 05:38:23,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 708 transitions, 29189 flow [2021-03-26 05:38:23,478 INFO L129 PetriNetUnfolder]: 432/1524 cut-off events. [2021-03-26 05:38:23,478 INFO L130 PetriNetUnfolder]: For 85125/85174 co-relation queries the response was YES. [2021-03-26 05:38:23,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22749 conditions, 1524 events. 432/1524 cut-off events. For 85125/85174 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 14306 event pairs, 1 based on Foata normal form. 17/1539 useless extension candidates. Maximal degree in co-relation 22540. Up to 517 conditions per place. [2021-03-26 05:38:23,491 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 05:38:23,626 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:23,626 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:23,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 409 [2021-03-26 05:38:23,626 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 708 transitions, 29189 flow [2021-03-26 05:38:23,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:23,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:23,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:23,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 05:38:23,627 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:23,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:23,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1232100298, now seen corresponding path program 6 times [2021-03-26 05:38:23,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:23,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958877683] [2021-03-26 05:38:23,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:23,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:23,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:23,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958877683] [2021-03-26 05:38:23,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:23,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:38:23,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741598791] [2021-03-26 05:38:23,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:38:23,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:23,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:38:23,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:38:23,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:23,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 708 transitions, 29189 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:23,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:23,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:23,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:24,518 INFO L129 PetriNetUnfolder]: 474/1594 cut-off events. [2021-03-26 05:38:24,518 INFO L130 PetriNetUnfolder]: For 87360/88287 co-relation queries the response was YES. [2021-03-26 05:38:24,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25654 conditions, 1594 events. 474/1594 cut-off events. For 87360/88287 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 14817 event pairs, 4 based on Foata normal form. 118/1707 useless extension candidates. Maximal degree in co-relation 25463. Up to 542 conditions per place. [2021-03-26 05:38:24,529 INFO L132 encePairwiseOnDemand]: 77/105 looper letters, 132 selfloop transitions, 568 changer transitions 22/733 dead transitions. [2021-03-26 05:38:24,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 733 transitions, 31079 flow [2021-03-26 05:38:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:38:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:38:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 674 transitions. [2021-03-26 05:38:24,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3775910364145658 [2021-03-26 05:38:24,530 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 674 transitions. [2021-03-26 05:38:24,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 674 transitions. [2021-03-26 05:38:24,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:24,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 674 transitions. [2021-03-26 05:38:24,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 39.64705882352941) internal successors, (674), 17 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:24,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 105.0) internal successors, (1890), 18 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:24,532 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 105.0) internal successors, (1890), 18 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:24,532 INFO L185 Difference]: Start difference. First operand has 233 places, 708 transitions, 29189 flow. Second operand 17 states and 674 transitions. [2021-03-26 05:38:24,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 733 transitions, 31079 flow [2021-03-26 05:38:24,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 733 transitions, 30254 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 05:38:24,773 INFO L241 Difference]: Finished difference. Result has 241 places, 690 transitions, 28689 flow [2021-03-26 05:38:24,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=28370, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=565, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=28689, PETRI_PLACES=241, PETRI_TRANSITIONS=690} [2021-03-26 05:38:24,774 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 201 predicate places. [2021-03-26 05:38:24,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:24,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 690 transitions, 28689 flow [2021-03-26 05:38:24,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 690 transitions, 28689 flow [2021-03-26 05:38:24,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 690 transitions, 28689 flow [2021-03-26 05:38:25,017 INFO L129 PetriNetUnfolder]: 425/1440 cut-off events. [2021-03-26 05:38:25,017 INFO L130 PetriNetUnfolder]: For 82905/82966 co-relation queries the response was YES. [2021-03-26 05:38:25,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21456 conditions, 1440 events. 425/1440 cut-off events. For 82905/82966 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 13271 event pairs, 1 based on Foata normal form. 16/1455 useless extension candidates. Maximal degree in co-relation 21254. Up to 519 conditions per place. [2021-03-26 05:38:25,030 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 05:38:25,152 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:25,153 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:25,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 379 [2021-03-26 05:38:25,153 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 690 transitions, 28689 flow [2021-03-26 05:38:25,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:25,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:25,154 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:25,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 05:38:25,154 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:25,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1771371471, now seen corresponding path program 6 times [2021-03-26 05:38:25,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:25,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335688721] [2021-03-26 05:38:25,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:25,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:25,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:25,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:25,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:25,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:25,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:25,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:25,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:25,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335688721] [2021-03-26 05:38:25,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:25,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:38:25,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508622542] [2021-03-26 05:38:25,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:38:25,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:25,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:38:25,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:38:25,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:25,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 690 transitions, 28689 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:25,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:25,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:25,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:25,794 INFO L129 PetriNetUnfolder]: 428/1473 cut-off events. [2021-03-26 05:38:25,794 INFO L130 PetriNetUnfolder]: For 82626/82658 co-relation queries the response was YES. [2021-03-26 05:38:25,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23443 conditions, 1473 events. 428/1473 cut-off events. For 82626/82658 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 13534 event pairs, 4 based on Foata normal form. 24/1496 useless extension candidates. Maximal degree in co-relation 23228. Up to 477 conditions per place. [2021-03-26 05:38:25,803 INFO L132 encePairwiseOnDemand]: 77/105 looper letters, 118 selfloop transitions, 536 changer transitions 19/684 dead transitions. [2021-03-26 05:38:25,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 684 transitions, 29706 flow [2021-03-26 05:38:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:38:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:38:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 400 transitions. [2021-03-26 05:38:25,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2021-03-26 05:38:25,804 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 400 transitions. [2021-03-26 05:38:25,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 400 transitions. [2021-03-26 05:38:25,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:25,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 400 transitions. [2021-03-26 05:38:25,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:25,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:25,806 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:25,806 INFO L185 Difference]: Start difference. First operand has 241 places, 690 transitions, 28689 flow. Second operand 10 states and 400 transitions. [2021-03-26 05:38:25,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 684 transitions, 29706 flow [2021-03-26 05:38:25,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 684 transitions, 29136 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-03-26 05:38:26,013 INFO L241 Difference]: Finished difference. Result has 240 places, 658 transitions, 27849 flow [2021-03-26 05:38:26,013 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=27195, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=532, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=27849, PETRI_PLACES=240, PETRI_TRANSITIONS=658} [2021-03-26 05:38:26,013 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 200 predicate places. [2021-03-26 05:38:26,013 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:26,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 658 transitions, 27849 flow [2021-03-26 05:38:26,013 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 658 transitions, 27849 flow [2021-03-26 05:38:26,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 658 transitions, 27849 flow [2021-03-26 05:38:26,248 INFO L129 PetriNetUnfolder]: 382/1335 cut-off events. [2021-03-26 05:38:26,249 INFO L130 PetriNetUnfolder]: For 75489/75506 co-relation queries the response was YES. [2021-03-26 05:38:26,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20536 conditions, 1335 events. 382/1335 cut-off events. For 75489/75506 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 12246 event pairs, 1 based on Foata normal form. 16/1349 useless extension candidates. Maximal degree in co-relation 20342. Up to 477 conditions per place. [2021-03-26 05:38:26,260 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 05:38:26,343 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:26,343 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:26,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-03-26 05:38:26,344 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 658 transitions, 27849 flow [2021-03-26 05:38:26,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:26,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:26,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:26,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 05:38:26,344 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:26,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:26,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1713254370, now seen corresponding path program 13 times [2021-03-26 05:38:26,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:26,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566669926] [2021-03-26 05:38:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:26,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:26,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:26,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:38:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:38:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:26,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:26,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:26,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:26,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:26,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:26,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566669926] [2021-03-26 05:38:26,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:26,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:38:26,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900869677] [2021-03-26 05:38:26,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:38:26,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:26,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:38:26,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:38:26,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:26,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 658 transitions, 27849 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:26,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:26,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:26,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:26,788 INFO L129 PetriNetUnfolder]: 187/849 cut-off events. [2021-03-26 05:38:26,788 INFO L130 PetriNetUnfolder]: For 77609/77643 co-relation queries the response was YES. [2021-03-26 05:38:26,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15969 conditions, 849 events. 187/849 cut-off events. For 77609/77643 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 7701 event pairs, 2 based on Foata normal form. 131/979 useless extension candidates. Maximal degree in co-relation 15877. Up to 287 conditions per place. [2021-03-26 05:38:26,793 INFO L132 encePairwiseOnDemand]: 78/105 looper letters, 59 selfloop transitions, 203 changer transitions 155/428 dead transitions. [2021-03-26 05:38:26,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 428 transitions, 19905 flow [2021-03-26 05:38:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:38:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:38:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 353 transitions. [2021-03-26 05:38:26,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37354497354497357 [2021-03-26 05:38:26,794 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 353 transitions. [2021-03-26 05:38:26,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 353 transitions. [2021-03-26 05:38:26,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:26,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 353 transitions. [2021-03-26 05:38:26,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 39.22222222222222) internal successors, (353), 9 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:26,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 105.0) internal successors, (1050), 10 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:26,795 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 105.0) internal successors, (1050), 10 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:26,795 INFO L185 Difference]: Start difference. First operand has 240 places, 658 transitions, 27849 flow. Second operand 9 states and 353 transitions. [2021-03-26 05:38:26,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 428 transitions, 19905 flow [2021-03-26 05:38:26,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 428 transitions, 19414 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-03-26 05:38:26,929 INFO L241 Difference]: Finished difference. Result has 240 places, 270 transitions, 11844 flow [2021-03-26 05:38:26,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=18212, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11844, PETRI_PLACES=240, PETRI_TRANSITIONS=270} [2021-03-26 05:38:26,930 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 200 predicate places. [2021-03-26 05:38:26,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:26,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 270 transitions, 11844 flow [2021-03-26 05:38:26,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 270 transitions, 11844 flow [2021-03-26 05:38:26,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 270 transitions, 11844 flow [2021-03-26 05:38:26,983 INFO L129 PetriNetUnfolder]: 101/448 cut-off events. [2021-03-26 05:38:26,983 INFO L130 PetriNetUnfolder]: For 32142/32146 co-relation queries the response was YES. [2021-03-26 05:38:26,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7603 conditions, 448 events. 101/448 cut-off events. For 32142/32146 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3188 event pairs, 0 based on Foata normal form. 3/451 useless extension candidates. Maximal degree in co-relation 7504. Up to 152 conditions per place. [2021-03-26 05:38:26,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 172 [2021-03-26 05:38:26,999 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:26,999 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:27,000 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 05:38:27,000 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 270 transitions, 11844 flow [2021-03-26 05:38:27,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:27,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:27,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 05:38:27,000 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:27,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:27,001 INFO L82 PathProgramCache]: Analyzing trace with hash 245487243, now seen corresponding path program 1 times [2021-03-26 05:38:27,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:27,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132265480] [2021-03-26 05:38:27,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:27,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:27,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:27,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132265480] [2021-03-26 05:38:27,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:27,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:38:27,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540398279] [2021-03-26 05:38:27,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:38:27,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:27,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:38:27,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:38:27,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:27,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 270 transitions, 11844 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:27,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:27,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:27,254 INFO L129 PetriNetUnfolder]: 52/295 cut-off events. [2021-03-26 05:38:27,254 INFO L130 PetriNetUnfolder]: For 31461/31495 co-relation queries the response was YES. [2021-03-26 05:38:27,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6821 conditions, 295 events. 52/295 cut-off events. For 31461/31495 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2157 event pairs, 1 based on Foata normal form. 43/337 useless extension candidates. Maximal degree in co-relation 6768. Up to 127 conditions per place. [2021-03-26 05:38:27,256 INFO L132 encePairwiseOnDemand]: 85/105 looper letters, 11 selfloop transitions, 48 changer transitions 125/195 dead transitions. [2021-03-26 05:38:27,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 195 transitions, 10126 flow [2021-03-26 05:38:27,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:38:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:38:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 436 transitions. [2021-03-26 05:38:27,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.346031746031746 [2021-03-26 05:38:27,256 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 436 transitions. [2021-03-26 05:38:27,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 436 transitions. [2021-03-26 05:38:27,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:27,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 436 transitions. [2021-03-26 05:38:27,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 36.333333333333336) internal successors, (436), 12 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 105.0) internal successors, (1365), 13 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,258 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 105.0) internal successors, (1365), 13 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,258 INFO L185 Difference]: Start difference. First operand has 238 places, 270 transitions, 11844 flow. Second operand 12 states and 436 transitions. [2021-03-26 05:38:27,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 195 transitions, 10126 flow [2021-03-26 05:38:27,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 195 transitions, 6934 flow, removed 43 selfloop flow, removed 59 redundant places. [2021-03-26 05:38:27,324 INFO L241 Difference]: Finished difference. Result has 187 places, 69 transitions, 1805 flow [2021-03-26 05:38:27,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=6462, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1805, PETRI_PLACES=187, PETRI_TRANSITIONS=69} [2021-03-26 05:38:27,324 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 147 predicate places. [2021-03-26 05:38:27,324 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:27,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 69 transitions, 1805 flow [2021-03-26 05:38:27,324 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 69 transitions, 1805 flow [2021-03-26 05:38:27,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 69 transitions, 1805 flow [2021-03-26 05:38:27,330 INFO L129 PetriNetUnfolder]: 14/79 cut-off events. [2021-03-26 05:38:27,330 INFO L130 PetriNetUnfolder]: For 2170/2190 co-relation queries the response was YES. [2021-03-26 05:38:27,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 79 events. 14/79 cut-off events. For 2170/2190 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 242 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 931. Up to 23 conditions per place. [2021-03-26 05:38:27,331 INFO L142 LiptonReduction]: Number of co-enabled transitions 10 [2021-03-26 05:38:27,332 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:27,332 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:27,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 05:38:27,333 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 69 transitions, 1805 flow [2021-03-26 05:38:27,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:38:27,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:38:27,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 05:38:27,333 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:38:27,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:38:27,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2032090112, now seen corresponding path program 7 times [2021-03-26 05:38:27,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:38:27,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763049677] [2021-03-26 05:38:27,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:38:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:38:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:38:27,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:38:27,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:38:27,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:38:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:38:27,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763049677] [2021-03-26 05:38:27,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:38:27,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:38:27,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999918575] [2021-03-26 05:38:27,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:38:27,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:38:27,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:38:27,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:38:27,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 105 [2021-03-26 05:38:27,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 69 transitions, 1805 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:38:27,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 105 [2021-03-26 05:38:27,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:38:27,502 INFO L129 PetriNetUnfolder]: 13/70 cut-off events. [2021-03-26 05:38:27,502 INFO L130 PetriNetUnfolder]: For 2233/2259 co-relation queries the response was YES. [2021-03-26 05:38:27,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 70 events. 13/70 cut-off events. For 2233/2259 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 239 event pairs, 0 based on Foata normal form. 5/74 useless extension candidates. Maximal degree in co-relation 991. Up to 23 conditions per place. [2021-03-26 05:38:27,503 INFO L132 encePairwiseOnDemand]: 91/105 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions. [2021-03-26 05:38:27,503 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 60 transitions, 1879 flow [2021-03-26 05:38:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:38:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:38:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 461 transitions. [2021-03-26 05:38:27,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31360544217687075 [2021-03-26 05:38:27,504 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 461 transitions. [2021-03-26 05:38:27,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 461 transitions. [2021-03-26 05:38:27,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:38:27,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 461 transitions. [2021-03-26 05:38:27,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.92857142857143) internal successors, (461), 14 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 105.0) internal successors, (1575), 15 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,507 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 105.0) internal successors, (1575), 15 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,507 INFO L185 Difference]: Start difference. First operand has 164 places, 69 transitions, 1805 flow. Second operand 14 states and 461 transitions. [2021-03-26 05:38:27,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 60 transitions, 1879 flow [2021-03-26 05:38:27,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 60 transitions, 727 flow, removed 2 selfloop flow, removed 91 redundant places. [2021-03-26 05:38:27,513 INFO L241 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2021-03-26 05:38:27,513 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2021-03-26 05:38:27,514 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 39 predicate places. [2021-03-26 05:38:27,514 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:38:27,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 0 transitions, 0 flow [2021-03-26 05:38:27,514 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 0 transitions, 0 flow [2021-03-26 05:38:27,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 05:38:27,514 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 05:38:27,514 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 05:38:27,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 05:38:27,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 05:38:27,514 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:38:27,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:38:27,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-03-26 05:38:27,515 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 05:38:27,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:38:27,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 05:38:27,517 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 05:38:27 BasicIcfg [2021-03-26 05:38:27,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 05:38:27,518 INFO L168 Benchmark]: Toolchain (without parser) took 130189.76 ms. Allocated memory was 255.9 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 236.5 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 526.8 MB. Max. memory is 16.0 GB. [2021-03-26 05:38:27,518 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.40 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 05:38:27,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.20 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 05:38:27,518 INFO L168 Benchmark]: Boogie Preprocessor took 14.42 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.9 MB in the end (delta: 976.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 05:38:27,518 INFO L168 Benchmark]: RCFGBuilder took 304.70 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 234.6 MB in the end (delta: -756.0 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. [2021-03-26 05:38:27,518 INFO L168 Benchmark]: TraceAbstraction took 129848.03 ms. Allocated memory was 255.9 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 234.6 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 523.0 MB. Max. memory is 16.0 GB. [2021-03-26 05:38:27,518 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 0.40 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.20 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.42 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.9 MB in the end (delta: 976.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 304.70 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 234.6 MB in the end (delta: -756.0 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 129848.03 ms. Allocated memory was 255.9 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 234.6 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 523.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 798.8ms, 55 PlacesBefore, 40 PlacesAfterwards, 39 TransitionsBefore, 24 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 933 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 467, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 402, positive: 375, positive conditional: 0, positive unconditional: 375, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 402, positive: 375, positive conditional: 0, positive unconditional: 375, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 402, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 82, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 241, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467, positive: 58, positive conditional: 58, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 402, unknown conditional: 402, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.9ms, 37 PlacesBefore, 37 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 633.1ms, 40 PlacesBefore, 40 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 40 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 27, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 27, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 107, positive conditional: 99, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 64, Positive conditional cache size: 64, Positive unconditional cache size: 0, Negative cache size: 9, Negative conditional cache size: 9, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1284.8ms, 45 PlacesBefore, 45 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 514 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 348 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 348, positive: 348, positive conditional: 348, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 35, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 35, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 348, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 100, Positive conditional cache size: 100, Positive unconditional cache size: 0, Negative cache size: 9, Negative conditional cache size: 9, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3537.1ms, 52 PlacesBefore, 52 PlacesAfterwards, 199 TransitionsBefore, 199 TransitionsAfterwards, 916 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 1770 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1770, positive: 1770, positive conditional: 1770, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 113, positive conditional: 105, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, positive: 113, positive conditional: 105, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 87, positive conditional: 83, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 291, positive: 291, positive conditional: 282, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1770, positive: 1657, positive conditional: 1657, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 113, unknown conditional: 113, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 213, Positive conditional cache size: 213, Positive unconditional cache size: 0, Negative cache size: 9, Negative conditional cache size: 9, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2819.6ms, 56 PlacesBefore, 56 PlacesAfterwards, 221 TransitionsBefore, 221 TransitionsAfterwards, 964 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1453 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1453, positive: 1453, positive conditional: 1453, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91, positive: 91, positive conditional: 78, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 91, positive: 91, positive conditional: 78, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 91, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 42, positive conditional: 38, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 140, positive conditional: 130, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1453, positive: 1362, positive conditional: 1362, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 91, unknown conditional: 91, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 292, Positive conditional cache size: 292, Positive unconditional cache size: 0, Negative cache size: 7, Negative conditional cache size: 7, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1721.1ms, 61 PlacesBefore, 61 PlacesAfterwards, 271 TransitionsBefore, 271 TransitionsAfterwards, 994 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 360 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 360, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 107, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 107, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 87, positive conditional: 83, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 266, positive conditional: 258, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 360, positive: 240, positive conditional: 240, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 412, Positive conditional cache size: 412, Positive unconditional cache size: 0, Negative cache size: 7, Negative conditional cache size: 7, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1322.1ms, 64 PlacesBefore, 63 PlacesAfterwards, 301 TransitionsBefore, 300 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 204 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 204, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102, positive: 102, positive conditional: 89, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 102, positive: 102, positive conditional: 89, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 102, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 69, positive conditional: 65, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 217, positive: 217, positive conditional: 209, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 204, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 383.2ms, 64 PlacesBefore, 64 PlacesAfterwards, 321 TransitionsBefore, 321 TransitionsAfterwards, 758 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 401.8ms, 70 PlacesBefore, 70 PlacesAfterwards, 371 TransitionsBefore, 371 TransitionsAfterwards, 772 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 293.7ms, 73 PlacesBefore, 73 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 462.0ms, 75 PlacesBefore, 75 PlacesAfterwards, 389 TransitionsBefore, 389 TransitionsAfterwards, 640 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 29 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 22, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 22, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 86, Positive cache size: 80, Positive conditional cache size: 80, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 505.0ms, 79 PlacesBefore, 79 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 778 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 86, Positive cache size: 80, Positive conditional cache size: 80, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 823.7ms, 85 PlacesBefore, 85 PlacesAfterwards, 489 TransitionsBefore, 489 TransitionsAfterwards, 796 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 44 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 41, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 41, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 124, Positive conditional cache size: 124, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.7ms, 87 PlacesBefore, 87 PlacesAfterwards, 525 TransitionsBefore, 525 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 124, Positive conditional cache size: 124, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1021.9ms, 91 PlacesBefore, 91 PlacesAfterwards, 575 TransitionsBefore, 575 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 57 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 565.3ms, 96 PlacesBefore, 96 PlacesAfterwards, 615 TransitionsBefore, 615 TransitionsAfterwards, 1052 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 632.3ms, 100 PlacesBefore, 100 PlacesAfterwards, 656 TransitionsBefore, 656 TransitionsAfterwards, 1106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 945.4ms, 101 PlacesBefore, 101 PlacesAfterwards, 655 TransitionsBefore, 655 TransitionsAfterwards, 1106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1176.6ms, 101 PlacesBefore, 101 PlacesAfterwards, 685 TransitionsBefore, 685 TransitionsAfterwards, 1070 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1080.6ms, 103 PlacesBefore, 103 PlacesAfterwards, 713 TransitionsBefore, 713 TransitionsAfterwards, 1078 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1208.6ms, 106 PlacesBefore, 106 PlacesAfterwards, 790 TransitionsBefore, 790 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2500.7ms, 112 PlacesBefore, 112 PlacesAfterwards, 885 TransitionsBefore, 885 TransitionsAfterwards, 1288 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 76 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 64, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 64, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 64, unknown conditional: 64, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1105.6ms, 120 PlacesBefore, 120 PlacesAfterwards, 945 TransitionsBefore, 945 TransitionsAfterwards, 1276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1238.6ms, 123 PlacesBefore, 123 PlacesAfterwards, 909 TransitionsBefore, 909 TransitionsAfterwards, 1270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1501.1ms, 142 PlacesBefore, 138 PlacesAfterwards, 1011 TransitionsBefore, 1011 TransitionsAfterwards, 1408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1576.7ms, 140 PlacesBefore, 140 PlacesAfterwards, 1027 TransitionsBefore, 1027 TransitionsAfterwards, 1384 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1763.8ms, 152 PlacesBefore, 152 PlacesAfterwards, 1129 TransitionsBefore, 1129 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1879.5ms, 157 PlacesBefore, 157 PlacesAfterwards, 1141 TransitionsBefore, 1141 TransitionsAfterwards, 1478 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1910.9ms, 159 PlacesBefore, 159 PlacesAfterwards, 1146 TransitionsBefore, 1146 TransitionsAfterwards, 1480 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1851.7ms, 161 PlacesBefore, 161 PlacesAfterwards, 1171 TransitionsBefore, 1171 TransitionsAfterwards, 1494 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1980.7ms, 168 PlacesBefore, 168 PlacesAfterwards, 1221 TransitionsBefore, 1221 TransitionsAfterwards, 1490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1795.8ms, 173 PlacesBefore, 173 PlacesAfterwards, 1218 TransitionsBefore, 1218 TransitionsAfterwards, 1470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1830.0ms, 175 PlacesBefore, 175 PlacesAfterwards, 1232 TransitionsBefore, 1232 TransitionsAfterwards, 1502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2150.8ms, 183 PlacesBefore, 183 PlacesAfterwards, 1234 TransitionsBefore, 1234 TransitionsAfterwards, 1536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 234, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2657.6ms, 196 PlacesBefore, 196 PlacesAfterwards, 1239 TransitionsBefore, 1238 TransitionsAfterwards, 1540 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 127 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 124, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 124, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 127, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 127, unknown conditional: 127, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 361, Positive conditional cache size: 361, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3232.5ms, 201 PlacesBefore, 201 PlacesAfterwards, 1202 TransitionsBefore, 1201 TransitionsAfterwards, 1540 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 127 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 124, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 124, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 127, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 127, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 127, unknown conditional: 127, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 494, Positive cache size: 488, Positive conditional cache size: 488, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1527.6ms, 198 PlacesBefore, 198 PlacesAfterwards, 1164 TransitionsBefore, 1164 TransitionsAfterwards, 1490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 494, Positive cache size: 488, Positive conditional cache size: 488, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1550.6ms, 201 PlacesBefore, 201 PlacesAfterwards, 1154 TransitionsBefore, 1154 TransitionsAfterwards, 1424 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 494, Positive cache size: 488, Positive conditional cache size: 488, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1487.5ms, 207 PlacesBefore, 207 PlacesAfterwards, 1187 TransitionsBefore, 1187 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 494, Positive cache size: 488, Positive conditional cache size: 488, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1946.2ms, 211 PlacesBefore, 211 PlacesAfterwards, 1183 TransitionsBefore, 1183 TransitionsAfterwards, 1436 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 119, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 119, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1161.1ms, 218 PlacesBefore, 218 PlacesAfterwards, 1196 TransitionsBefore, 1196 TransitionsAfterwards, 1434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 559.9ms, 218 PlacesBefore, 218 PlacesAfterwards, 800 TransitionsBefore, 800 TransitionsAfterwards, 784 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.1ms, 223 PlacesBefore, 223 PlacesAfterwards, 729 TransitionsBefore, 729 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 409.1ms, 233 PlacesBefore, 233 PlacesAfterwards, 708 TransitionsBefore, 708 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 378.6ms, 241 PlacesBefore, 241 PlacesAfterwards, 690 TransitionsBefore, 690 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 330.0ms, 240 PlacesBefore, 240 PlacesAfterwards, 658 TransitionsBefore, 658 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.4ms, 240 PlacesBefore, 238 PlacesAfterwards, 270 TransitionsBefore, 270 TransitionsAfterwards, 172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.6ms, 187 PlacesBefore, 164 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 79 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 607, Positive conditional cache size: 607, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - PositiveResult [Line: 95]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 129748.1ms, OverallIterations: 49, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 66872.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 876.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 217 SDtfs, 230 SDslu, 19 SDs, 0 SdLazy, 16119 SolverSat, 3414 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6019.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 551 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 1543.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=48939occurred in iteration=41, InterpolantAutomatonStates: 438, 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: 33.1ms SsaConstructionTime, 196.6ms SatisfiabilityAnalysisTime, 1389.6ms InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1076 ConstructedInterpolants, 0 QuantifiedInterpolants, 3183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...