/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 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 05:52:27,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 05:52:27,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 05:52:27,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 05:52:27,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 05:52:27,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 05:52:27,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 05:52:27,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 05:52:27,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 05:52:27,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 05:52:27,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 05:52:27,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 05:52:27,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 05:52:27,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 05:52:27,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 05:52:27,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 05:52:27,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 05:52:27,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 05:52:27,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 05:52:27,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 05:52:27,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 05:52:27,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 05:52:27,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 05:52:27,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 05:52:27,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 05:52:27,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 05:52:27,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 05:52:27,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 05:52:27,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 05:52:27,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 05:52:27,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 05:52:27,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 05:52:27,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 05:52:27,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 05:52:27,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 05:52:27,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 05:52:27,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 05:52:27,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 05:52:27,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 05:52:27,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 05:52:27,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 05:52:27,736 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 05:52:27,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 05:52:27,737 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 05:52:27,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 05:52:27,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 05:52:27,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 05:52:27,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 05:52:27,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 05:52:27,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 05:52:27,738 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 05:52:27,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 05:52:27,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 05:52:27,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 05:52:27,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 05:52:27,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 05:52:27,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 05:52:27,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 05:52:27,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 05:52:27,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 05:52:27,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 05:52:27,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 05:52:27,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 05:52:27,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 05:52:27,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 05:52:27,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 05:52:27,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 05:52:27,742 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 05:52:28,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 05:52:28,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 05:52:28,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 05:52:28,156 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 05:52:28,157 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 05:52:28,158 INFO L432 ainManager$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 [2021-04-29 05:52:28,159 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl' [2021-04-29 05:52:28,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 05:52:28,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 05:52:28,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 05:52:28,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 05:52:28,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 05:52:28,257 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 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,268 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 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 05:52:28,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 05:52:28,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 05:52:28,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 05:52:28,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 05:52:28,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 05:52:28,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 05:52:28,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 05:52:28,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 05:52:28,425 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 05:52:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 05:52:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 05:52:28,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 05:52:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 05:52:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 05:52:28,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 05:52:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 05:52:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 05:52:28,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 05:52:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 05:52:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 05:52:28,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-29 05:52:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-29 05:52:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-29 05:52:28,455 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-04-29 05:52:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-04-29 05:52:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-04-29 05:52:28,457 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 05:52:28,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 05:52:28,899 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 05:52:28,905 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:52:28 BoogieIcfgContainer [2021-04-29 05:52:28,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 05:52:28,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 05:52:28,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 05:52:28,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 05:52:28,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/2) ... [2021-04-29 05:52:28,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4396bf4b and model type ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 05:52:28, skipping insertion in model container [2021-04-29 05:52:28,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:52:28" (2/2) ... [2021-04-29 05:52:28,927 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-5.wvr.bpl [2021-04-29 05:52:28,949 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 05:52:28,965 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 05:52:28,969 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 05:52:29,094 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-04-29 05:52:29,121 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 05:52:29,151 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 05:52:29,152 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 05:52:29,152 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 05:52:29,152 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 05:52:29,152 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 05:52:29,152 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 05:52:29,152 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 05:52:29,152 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 05:52:29,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 46 transitions, 132 flow [2021-04-29 05:52:29,209 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-29 05:52:29,209 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 05:52:29,212 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. [2021-04-29 05:52:29,212 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 46 transitions, 132 flow [2021-04-29 05:52:29,218 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 39 transitions, 108 flow [2021-04-29 05:52:29,221 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:29,243 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 39 transitions, 108 flow [2021-04-29 05:52:29,247 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 39 transitions, 108 flow [2021-04-29 05:52:29,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 39 transitions, 108 flow [2021-04-29 05:52:29,287 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-29 05:52:29,288 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 05:52:29,288 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. [2021-04-29 05:52:29,295 INFO L146 LiptonReduction]: Number of co-enabled transitions 748 [2021-04-29 05:52:31,425 INFO L158 LiptonReduction]: Checked pairs total: 3560 [2021-04-29 05:52:31,426 INFO L160 LiptonReduction]: Total number of compositions: 22 [2021-04-29 05:52:31,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2210 [2021-04-29 05:52:31,451 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-29 05:52:31,451 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 05:52:31,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:31,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:31,453 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:31,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:31,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1112598337, now seen corresponding path program 1 times [2021-04-29 05:52:31,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:31,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043194433] [2021-04-29 05:52:31,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:31,759 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-04-29 05:52:31,761 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-04-29 05:52:31,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:31,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:31,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:31,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:31,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:31,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 05:52:31,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:31,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:31,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:31,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:31,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:31,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 05:52:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:31,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043194433] [2021-04-29 05:52:31,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:31,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:52:31,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218875269] [2021-04-29 05:52:31,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:52:31,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:31,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:52:31,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:52:31,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 68 [2021-04-29 05:52:31,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 40 transitions, 110 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) [2021-04-29 05:52:31,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:31,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 68 [2021-04-29 05:52:31,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:35,573 INFO L129 PetriNetUnfolder]: 18255/25561 cut-off events. [2021-04-29 05:52:35,573 INFO L130 PetriNetUnfolder]: For 783/783 co-relation queries the response was YES. [2021-04-29 05:52:35,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50804 conditions, 25561 events. 18255/25561 cut-off events. For 783/783 co-relation queries the response was YES. Maximal size of possible extension queue 1740. Compared 162290 event pairs, 8600 based on Foata normal form. 1/13192 useless extension candidates. Maximal degree in co-relation 50772. Up to 12500 conditions per place. [2021-04-29 05:52:35,700 INFO L132 encePairwiseOnDemand]: 44/68 looper letters, 23 selfloop transitions, 11 changer transitions 30/80 dead transitions. [2021-04-29 05:52:35,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 80 transitions, 318 flow [2021-04-29 05:52:35,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:52:35,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:52:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 246 transitions. [2021-04-29 05:52:35,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7235294117647059 [2021-04-29 05:52:35,719 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 246 transitions. [2021-04-29 05:52:35,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 246 transitions. [2021-04-29 05:52:35,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:35,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 246 transitions. [2021-04-29 05:52:35,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 49.2) internal successors, (246), 5 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:35,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:35,737 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:35,739 INFO L185 Difference]: Start difference. First operand has 56 places, 40 transitions, 110 flow. Second operand 5 states and 246 transitions. [2021-04-29 05:52:35,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 80 transitions, 318 flow [2021-04-29 05:52:35,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 80 transitions, 298 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-04-29 05:52:35,939 INFO L241 Difference]: Finished difference. Result has 53 places, 38 transitions, 147 flow [2021-04-29 05:52:35,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=147, PETRI_PLACES=53, PETRI_TRANSITIONS=38} [2021-04-29 05:52:35,942 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -3 predicate places. [2021-04-29 05:52:35,943 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:35,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 38 transitions, 147 flow [2021-04-29 05:52:35,943 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 38 transitions, 147 flow [2021-04-29 05:52:35,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 147 flow [2021-04-29 05:52:36,073 INFO L129 PetriNetUnfolder]: 269/596 cut-off events. [2021-04-29 05:52:36,073 INFO L130 PetriNetUnfolder]: For 49/52 co-relation queries the response was YES. [2021-04-29 05:52:36,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 596 events. 269/596 cut-off events. For 49/52 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 3789 event pairs, 159 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 1162. Up to 377 conditions per place. [2021-04-29 05:52:36,085 INFO L146 LiptonReduction]: Number of co-enabled transitions 400 [2021-04-29 05:52:36,091 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:36,091 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:36,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-04-29 05:52:36,094 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 38 transitions, 147 flow [2021-04-29 05:52:36,094 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) [2021-04-29 05:52:36,095 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:36,095 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:36,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 05:52:36,095 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:36,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1453754163, now seen corresponding path program 2 times [2021-04-29 05:52:36,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:36,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849147948] [2021-04-29 05:52:36,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:36,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:36,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:36,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:36,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:36,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:36,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:36,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:36,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849147948] [2021-04-29 05:52:36,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:36,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:52:36,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977911726] [2021-04-29 05:52:36,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:52:36,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:36,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:52:36,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:52:36,187 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:36,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 147 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) [2021-04-29 05:52:36,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:36,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:36,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:38,043 INFO L129 PetriNetUnfolder]: 9975/14528 cut-off events. [2021-04-29 05:52:38,044 INFO L130 PetriNetUnfolder]: For 7412/7683 co-relation queries the response was YES. [2021-04-29 05:52:38,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39100 conditions, 14528 events. 9975/14528 cut-off events. For 7412/7683 co-relation queries the response was YES. Maximal size of possible extension queue 1069. Compared 94391 event pairs, 3049 based on Foata normal form. 638/14336 useless extension candidates. Maximal degree in co-relation 38712. Up to 4803 conditions per place. [2021-04-29 05:52:38,123 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 26 selfloop transitions, 37 changer transitions 23/97 dead transitions. [2021-04-29 05:52:38,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 97 transitions, 538 flow [2021-04-29 05:52:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:52:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:52:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 249 transitions. [2021-04-29 05:52:38,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6102941176470589 [2021-04-29 05:52:38,127 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 249 transitions. [2021-04-29 05:52:38,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 249 transitions. [2021-04-29 05:52:38,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:38,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 249 transitions. [2021-04-29 05:52:38,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:38,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:38,133 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:38,133 INFO L185 Difference]: Start difference. First operand has 42 places, 38 transitions, 147 flow. Second operand 6 states and 249 transitions. [2021-04-29 05:52:38,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 97 transitions, 538 flow [2021-04-29 05:52:38,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 97 transitions, 502 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-29 05:52:38,141 INFO L241 Difference]: Finished difference. Result has 45 places, 63 transitions, 377 flow [2021-04-29 05:52:38,141 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=377, PETRI_PLACES=45, PETRI_TRANSITIONS=63} [2021-04-29 05:52:38,142 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -11 predicate places. [2021-04-29 05:52:38,143 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:38,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 63 transitions, 377 flow [2021-04-29 05:52:38,143 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 63 transitions, 377 flow [2021-04-29 05:52:38,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 63 transitions, 377 flow [2021-04-29 05:52:38,499 INFO L129 PetriNetUnfolder]: 1511/2476 cut-off events. [2021-04-29 05:52:38,500 INFO L130 PetriNetUnfolder]: For 1755/1892 co-relation queries the response was YES. [2021-04-29 05:52:38,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7778 conditions, 2476 events. 1511/2476 cut-off events. For 1755/1892 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 14576 event pairs, 306 based on Foata normal form. 52/2514 useless extension candidates. Maximal degree in co-relation 7629. Up to 1327 conditions per place. [2021-04-29 05:52:38,532 INFO L146 LiptonReduction]: Number of co-enabled transitions 332 [2021-04-29 05:52:38,569 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:38,570 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:38,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 427 [2021-04-29 05:52:38,573 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 63 transitions, 377 flow [2021-04-29 05:52:38,573 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) [2021-04-29 05:52:38,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:38,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:38,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 05:52:38,574 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:38,575 INFO L82 PathProgramCache]: Analyzing trace with hash -80117793, now seen corresponding path program 3 times [2021-04-29 05:52:38,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:38,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934808217] [2021-04-29 05:52:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:38,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:38,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:38,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:38,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:38,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:38,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:38,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:38,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:38,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:38,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:38,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:38,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:38,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:38,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934808217] [2021-04-29 05:52:38,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:38,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:52:38,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902228474] [2021-04-29 05:52:38,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:52:38,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:38,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:52:38,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:52:38,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:38,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 63 transitions, 377 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) [2021-04-29 05:52:38,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:38,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:38,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:39,403 INFO L129 PetriNetUnfolder]: 2506/4003 cut-off events. [2021-04-29 05:52:39,403 INFO L130 PetriNetUnfolder]: For 4113/4415 co-relation queries the response was YES. [2021-04-29 05:52:39,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16147 conditions, 4003 events. 2506/4003 cut-off events. For 4113/4415 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 24754 event pairs, 327 based on Foata normal form. 178/4170 useless extension candidates. Maximal degree in co-relation 15970. Up to 2091 conditions per place. [2021-04-29 05:52:39,454 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 33 selfloop transitions, 136 changer transitions 0/180 dead transitions. [2021-04-29 05:52:39,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 180 transitions, 1459 flow [2021-04-29 05:52:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:52:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:52:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 350 transitions. [2021-04-29 05:52:39,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5718954248366013 [2021-04-29 05:52:39,458 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 350 transitions. [2021-04-29 05:52:39,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 350 transitions. [2021-04-29 05:52:39,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:39,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 350 transitions. [2021-04-29 05:52:39,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.888888888888886) internal successors, (350), 9 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:39,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:39,463 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:39,464 INFO L185 Difference]: Start difference. First operand has 39 places, 63 transitions, 377 flow. Second operand 9 states and 350 transitions. [2021-04-29 05:52:39,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 180 transitions, 1459 flow [2021-04-29 05:52:39,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 180 transitions, 1425 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-04-29 05:52:39,475 INFO L241 Difference]: Finished difference. Result has 48 places, 163 transitions, 1460 flow [2021-04-29 05:52:39,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1460, PETRI_PLACES=48, PETRI_TRANSITIONS=163} [2021-04-29 05:52:39,476 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -8 predicate places. [2021-04-29 05:52:39,476 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:39,476 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 163 transitions, 1460 flow [2021-04-29 05:52:39,477 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 163 transitions, 1460 flow [2021-04-29 05:52:39,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 163 transitions, 1460 flow [2021-04-29 05:52:39,854 INFO L129 PetriNetUnfolder]: 2067/3450 cut-off events. [2021-04-29 05:52:39,854 INFO L130 PetriNetUnfolder]: For 5192/5477 co-relation queries the response was YES. [2021-04-29 05:52:39,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15362 conditions, 3450 events. 2067/3450 cut-off events. For 5192/5477 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 22599 event pairs, 267 based on Foata normal form. 105/3544 useless extension candidates. Maximal degree in co-relation 15184. Up to 1981 conditions per place. [2021-04-29 05:52:39,911 INFO L146 LiptonReduction]: Number of co-enabled transitions 648 [2021-04-29 05:52:40,036 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:40,036 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:40,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 560 [2021-04-29 05:52:40,039 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 163 transitions, 1460 flow [2021-04-29 05:52:40,040 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) [2021-04-29 05:52:40,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:40,041 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:40,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 05:52:40,046 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:40,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1456540363, now seen corresponding path program 4 times [2021-04-29 05:52:40,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:40,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818204039] [2021-04-29 05:52:40,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:40,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:40,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:40,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:40,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:40,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:40,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:40,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:40,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:40,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818204039] [2021-04-29 05:52:40,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:40,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:52:40,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954062554] [2021-04-29 05:52:40,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:52:40,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:40,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:52:40,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:52:40,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:40,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 163 transitions, 1460 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) [2021-04-29 05:52:40,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:40,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:40,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:40,920 INFO L129 PetriNetUnfolder]: 2585/4078 cut-off events. [2021-04-29 05:52:40,920 INFO L130 PetriNetUnfolder]: For 7849/8556 co-relation queries the response was YES. [2021-04-29 05:52:40,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22003 conditions, 4078 events. 2585/4078 cut-off events. For 7849/8556 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 25010 event pairs, 434 based on Foata normal form. 69/4134 useless extension candidates. Maximal degree in co-relation 21861. Up to 3670 conditions per place. [2021-04-29 05:52:40,988 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 168 selfloop transitions, 68 changer transitions 0/247 dead transitions. [2021-04-29 05:52:40,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 247 transitions, 2741 flow [2021-04-29 05:52:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:52:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:52:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-04-29 05:52:40,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5470588235294118 [2021-04-29 05:52:40,991 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-04-29 05:52:40,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-04-29 05:52:40,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:40,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-04-29 05:52:40,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:40,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:40,994 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:40,994 INFO L185 Difference]: Start difference. First operand has 48 places, 163 transitions, 1460 flow. Second operand 5 states and 186 transitions. [2021-04-29 05:52:40,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 247 transitions, 2741 flow [2021-04-29 05:52:41,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 247 transitions, 2675 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-04-29 05:52:41,034 INFO L241 Difference]: Finished difference. Result has 53 places, 225 transitions, 2343 flow [2021-04-29 05:52:41,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=1412, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2343, PETRI_PLACES=53, PETRI_TRANSITIONS=225} [2021-04-29 05:52:41,035 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -3 predicate places. [2021-04-29 05:52:41,035 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:41,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 225 transitions, 2343 flow [2021-04-29 05:52:41,036 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 225 transitions, 2343 flow [2021-04-29 05:52:41,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 225 transitions, 2343 flow [2021-04-29 05:52:41,541 INFO L129 PetriNetUnfolder]: 2171/3580 cut-off events. [2021-04-29 05:52:41,541 INFO L130 PetriNetUnfolder]: For 7481/7747 co-relation queries the response was YES. [2021-04-29 05:52:41,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16384 conditions, 3580 events. 2171/3580 cut-off events. For 7481/7747 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 23131 event pairs, 240 based on Foata normal form. 130/3692 useless extension candidates. Maximal degree in co-relation 16191. Up to 2091 conditions per place. [2021-04-29 05:52:41,617 INFO L146 LiptonReduction]: Number of co-enabled transitions 732 [2021-04-29 05:52:41,755 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:41,755 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:41,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 720 [2021-04-29 05:52:41,757 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 225 transitions, 2343 flow [2021-04-29 05:52:41,758 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) [2021-04-29 05:52:41,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:41,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:41,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 05:52:41,758 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:41,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:41,759 INFO L82 PathProgramCache]: Analyzing trace with hash 94978443, now seen corresponding path program 5 times [2021-04-29 05:52:41,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:41,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231877885] [2021-04-29 05:52:41,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:41,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:41,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:41,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:41,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:41,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:41,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:41,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:41,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231877885] [2021-04-29 05:52:41,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:41,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:52:41,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864948195] [2021-04-29 05:52:41,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:52:41,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:41,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:52:41,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:52:41,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:41,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 225 transitions, 2343 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) [2021-04-29 05:52:41,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:41,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:41,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:42,641 INFO L129 PetriNetUnfolder]: 2631/4164 cut-off events. [2021-04-29 05:52:42,642 INFO L130 PetriNetUnfolder]: For 9552/10481 co-relation queries the response was YES. [2021-04-29 05:52:42,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22875 conditions, 4164 events. 2631/4164 cut-off events. For 9552/10481 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 25644 event pairs, 459 based on Foata normal form. 94/4243 useless extension candidates. Maximal degree in co-relation 22719. Up to 3692 conditions per place. [2021-04-29 05:52:42,699 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 168 selfloop transitions, 85 changer transitions 0/264 dead transitions. [2021-04-29 05:52:42,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 264 transitions, 3253 flow [2021-04-29 05:52:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:52:42,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:52:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-04-29 05:52:42,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5470588235294118 [2021-04-29 05:52:42,702 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-04-29 05:52:42,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-04-29 05:52:42,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:42,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-04-29 05:52:42,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:42,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:42,705 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:42,705 INFO L185 Difference]: Start difference. First operand has 53 places, 225 transitions, 2343 flow. Second operand 5 states and 186 transitions. [2021-04-29 05:52:42,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 264 transitions, 3253 flow [2021-04-29 05:52:42,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 264 transitions, 3247 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 05:52:42,738 INFO L241 Difference]: Finished difference. Result has 57 places, 245 transitions, 2806 flow [2021-04-29 05:52:42,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=2337, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2806, PETRI_PLACES=57, PETRI_TRANSITIONS=245} [2021-04-29 05:52:42,738 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 1 predicate places. [2021-04-29 05:52:42,739 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:42,739 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 245 transitions, 2806 flow [2021-04-29 05:52:42,739 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 245 transitions, 2806 flow [2021-04-29 05:52:42,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 245 transitions, 2806 flow [2021-04-29 05:52:43,282 INFO L129 PetriNetUnfolder]: 2206/3640 cut-off events. [2021-04-29 05:52:43,283 INFO L130 PetriNetUnfolder]: For 8762/9128 co-relation queries the response was YES. [2021-04-29 05:52:43,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17250 conditions, 3640 events. 2206/3640 cut-off events. For 8762/9128 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 23348 event pairs, 223 based on Foata normal form. 134/3753 useless extension candidates. Maximal degree in co-relation 17055. Up to 2113 conditions per place. [2021-04-29 05:52:43,351 INFO L146 LiptonReduction]: Number of co-enabled transitions 770 [2021-04-29 05:52:43,432 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:43,433 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:43,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 694 [2021-04-29 05:52:43,435 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 245 transitions, 2806 flow [2021-04-29 05:52:43,437 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) [2021-04-29 05:52:43,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:43,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:43,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 05:52:43,437 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:43,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:43,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1989251843, now seen corresponding path program 6 times [2021-04-29 05:52:43,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:43,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983552240] [2021-04-29 05:52:43,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:43,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:43,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:43,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:43,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:43,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:43,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:43,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:43,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:43,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:43,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:43,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983552240] [2021-04-29 05:52:43,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:43,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:52:43,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13746041] [2021-04-29 05:52:43,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:52:43,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:43,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:52:43,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:52:43,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:43,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 245 transitions, 2806 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) [2021-04-29 05:52:43,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:43,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:43,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:44,484 INFO L129 PetriNetUnfolder]: 2782/4479 cut-off events. [2021-04-29 05:52:44,484 INFO L130 PetriNetUnfolder]: For 13435/13984 co-relation queries the response was YES. [2021-04-29 05:52:44,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25205 conditions, 4479 events. 2782/4479 cut-off events. For 13435/13984 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 28627 event pairs, 381 based on Foata normal form. 178/4645 useless extension candidates. Maximal degree in co-relation 25005. Up to 2309 conditions per place. [2021-04-29 05:52:44,537 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 80 selfloop transitions, 228 changer transitions 0/319 dead transitions. [2021-04-29 05:52:44,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 319 transitions, 4366 flow [2021-04-29 05:52:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:52:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:52:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 229 transitions. [2021-04-29 05:52:44,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5612745098039216 [2021-04-29 05:52:44,540 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 229 transitions. [2021-04-29 05:52:44,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 229 transitions. [2021-04-29 05:52:44,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:44,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 229 transitions. [2021-04-29 05:52:44,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:44,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:44,543 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:44,543 INFO L185 Difference]: Start difference. First operand has 57 places, 245 transitions, 2806 flow. Second operand 6 states and 229 transitions. [2021-04-29 05:52:44,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 319 transitions, 4366 flow [2021-04-29 05:52:44,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 319 transitions, 4247 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:52:44,584 INFO L241 Difference]: Finished difference. Result has 61 places, 305 transitions, 4112 flow [2021-04-29 05:52:44,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=2723, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4112, PETRI_PLACES=61, PETRI_TRANSITIONS=305} [2021-04-29 05:52:44,585 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 5 predicate places. [2021-04-29 05:52:44,585 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:44,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 305 transitions, 4112 flow [2021-04-29 05:52:44,586 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 305 transitions, 4112 flow [2021-04-29 05:52:44,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 305 transitions, 4112 flow [2021-04-29 05:52:45,122 INFO L129 PetriNetUnfolder]: 2315/3789 cut-off events. [2021-04-29 05:52:45,122 INFO L130 PetriNetUnfolder]: For 14113/14436 co-relation queries the response was YES. [2021-04-29 05:52:45,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20882 conditions, 3789 events. 2315/3789 cut-off events. For 14113/14436 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 24512 event pairs, 233 based on Foata normal form. 160/3932 useless extension candidates. Maximal degree in co-relation 20718. Up to 2224 conditions per place. [2021-04-29 05:52:45,179 INFO L146 LiptonReduction]: Number of co-enabled transitions 832 [2021-04-29 05:52:45,268 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:45,268 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:45,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 683 [2021-04-29 05:52:45,270 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 305 transitions, 4112 flow [2021-04-29 05:52:45,270 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) [2021-04-29 05:52:45,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:45,271 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:45,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 05:52:45,271 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:45,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:45,272 INFO L82 PathProgramCache]: Analyzing trace with hash 202082149, now seen corresponding path program 7 times [2021-04-29 05:52:45,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:45,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290821] [2021-04-29 05:52:45,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:45,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:45,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:45,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:45,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:45,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:45,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:45,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:45,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:45,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:45,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:45,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:45,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:45,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290821] [2021-04-29 05:52:45,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:45,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:52:45,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229900994] [2021-04-29 05:52:45,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:52:45,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:45,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:52:45,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:52:45,337 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:45,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 305 transitions, 4112 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) [2021-04-29 05:52:45,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:45,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:45,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:46,370 INFO L129 PetriNetUnfolder]: 2864/4633 cut-off events. [2021-04-29 05:52:46,370 INFO L130 PetriNetUnfolder]: For 20263/21264 co-relation queries the response was YES. [2021-04-29 05:52:46,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29111 conditions, 4633 events. 2864/4633 cut-off events. For 20263/21264 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 29990 event pairs, 363 based on Foata normal form. 155/4770 useless extension candidates. Maximal degree in co-relation 28929. Up to 2407 conditions per place. [2021-04-29 05:52:46,421 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 29 selfloop transitions, 347 changer transitions 0/387 dead transitions. [2021-04-29 05:52:46,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 387 transitions, 6129 flow [2021-04-29 05:52:46,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 05:52:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 05:52:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 270 transitions. [2021-04-29 05:52:46,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5672268907563025 [2021-04-29 05:52:46,425 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 270 transitions. [2021-04-29 05:52:46,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 270 transitions. [2021-04-29 05:52:46,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:46,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 270 transitions. [2021-04-29 05:52:46,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.57142857142857) internal successors, (270), 7 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:46,428 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) [2021-04-29 05:52:46,428 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) [2021-04-29 05:52:46,429 INFO L185 Difference]: Start difference. First operand has 61 places, 305 transitions, 4112 flow. Second operand 7 states and 270 transitions. [2021-04-29 05:52:46,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 387 transitions, 6129 flow [2021-04-29 05:52:46,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 387 transitions, 5800 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:52:46,496 INFO L241 Difference]: Finished difference. Result has 65 places, 378 transitions, 5863 flow [2021-04-29 05:52:46,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=3855, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=274, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5863, PETRI_PLACES=65, PETRI_TRANSITIONS=378} [2021-04-29 05:52:46,497 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 9 predicate places. [2021-04-29 05:52:46,497 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:46,497 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 378 transitions, 5863 flow [2021-04-29 05:52:46,497 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 378 transitions, 5863 flow [2021-04-29 05:52:46,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 378 transitions, 5863 flow [2021-04-29 05:52:46,967 INFO L129 PetriNetUnfolder]: 2393/3945 cut-off events. [2021-04-29 05:52:46,968 INFO L130 PetriNetUnfolder]: For 19446/19963 co-relation queries the response was YES. [2021-04-29 05:52:46,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23872 conditions, 3945 events. 2393/3945 cut-off events. For 19446/19963 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 25893 event pairs, 235 based on Foata normal form. 186/4095 useless extension candidates. Maximal degree in co-relation 23689. Up to 2346 conditions per place. [2021-04-29 05:52:47,013 INFO L146 LiptonReduction]: Number of co-enabled transitions 834 [2021-04-29 05:52:47,109 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:47,109 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:47,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 612 [2021-04-29 05:52:47,111 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 378 transitions, 5863 flow [2021-04-29 05:52:47,111 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) [2021-04-29 05:52:47,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:47,111 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] [2021-04-29 05:52:47,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 05:52:47,112 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:47,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:47,112 INFO L82 PathProgramCache]: Analyzing trace with hash -408336077, now seen corresponding path program 8 times [2021-04-29 05:52:47,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:47,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843959715] [2021-04-29 05:52:47,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:47,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:47,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:47,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:47,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:47,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843959715] [2021-04-29 05:52:47,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:47,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:52:47,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202148750] [2021-04-29 05:52:47,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:52:47,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:47,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:52:47,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:52:47,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:47,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 378 transitions, 5863 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) [2021-04-29 05:52:47,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:47,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:47,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:48,117 INFO L129 PetriNetUnfolder]: 2938/4824 cut-off events. [2021-04-29 05:52:48,118 INFO L130 PetriNetUnfolder]: For 26140/26755 co-relation queries the response was YES. [2021-04-29 05:52:48,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32721 conditions, 4824 events. 2938/4824 cut-off events. For 26140/26755 co-relation queries the response was YES. Maximal size of possible extension queue 498. Compared 32189 event pairs, 384 based on Foata normal form. 177/4990 useless extension candidates. Maximal degree in co-relation 32518. Up to 2479 conditions per place. [2021-04-29 05:52:48,155 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 80 selfloop transitions, 362 changer transitions 0/453 dead transitions. [2021-04-29 05:52:48,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 453 transitions, 7995 flow [2021-04-29 05:52:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:52:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:52:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 229 transitions. [2021-04-29 05:52:48,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5612745098039216 [2021-04-29 05:52:48,158 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 229 transitions. [2021-04-29 05:52:48,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 229 transitions. [2021-04-29 05:52:48,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:48,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 229 transitions. [2021-04-29 05:52:48,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:48,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:48,161 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:48,161 INFO L185 Difference]: Start difference. First operand has 65 places, 378 transitions, 5863 flow. Second operand 6 states and 229 transitions. [2021-04-29 05:52:48,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 453 transitions, 7995 flow [2021-04-29 05:52:48,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 453 transitions, 7500 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:52:48,229 INFO L241 Difference]: Finished difference. Result has 67 places, 441 transitions, 7431 flow [2021-04-29 05:52:48,230 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=5433, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7431, PETRI_PLACES=67, PETRI_TRANSITIONS=441} [2021-04-29 05:52:48,230 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 11 predicate places. [2021-04-29 05:52:48,230 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:48,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 441 transitions, 7431 flow [2021-04-29 05:52:48,231 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 441 transitions, 7431 flow [2021-04-29 05:52:48,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 441 transitions, 7431 flow [2021-04-29 05:52:48,748 INFO L129 PetriNetUnfolder]: 2423/4077 cut-off events. [2021-04-29 05:52:48,748 INFO L130 PetriNetUnfolder]: For 23776/24123 co-relation queries the response was YES. [2021-04-29 05:52:48,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25271 conditions, 4077 events. 2423/4077 cut-off events. For 23776/24123 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 27240 event pairs, 236 based on Foata normal form. 214/4273 useless extension candidates. Maximal degree in co-relation 25053. Up to 2412 conditions per place. [2021-04-29 05:52:48,792 INFO L146 LiptonReduction]: Number of co-enabled transitions 850 [2021-04-29 05:52:48,905 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:48,906 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:48,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 676 [2021-04-29 05:52:48,907 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 441 transitions, 7431 flow [2021-04-29 05:52:48,907 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) [2021-04-29 05:52:48,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:48,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:48,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 05:52:48,908 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:48,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:48,908 INFO L82 PathProgramCache]: Analyzing trace with hash 391709059, now seen corresponding path program 9 times [2021-04-29 05:52:48,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:48,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046628721] [2021-04-29 05:52:48,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:48,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:48,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:48,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:48,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046628721] [2021-04-29 05:52:48,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:48,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:52:48,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093349213] [2021-04-29 05:52:48,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:52:48,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:48,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:52:48,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:52:48,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:48,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 441 transitions, 7431 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) [2021-04-29 05:52:48,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:48,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:48,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:49,943 INFO L129 PetriNetUnfolder]: 2942/4833 cut-off events. [2021-04-29 05:52:49,943 INFO L130 PetriNetUnfolder]: For 30423/31665 co-relation queries the response was YES. [2021-04-29 05:52:49,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33652 conditions, 4833 events. 2942/4833 cut-off events. For 30423/31665 co-relation queries the response was YES. Maximal size of possible extension queue 508. Compared 32590 event pairs, 579 based on Foata normal form. 133/4949 useless extension candidates. Maximal degree in co-relation 33486. Up to 4076 conditions per place. [2021-04-29 05:52:49,988 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 238 selfloop transitions, 244 changer transitions 0/493 dead transitions. [2021-04-29 05:52:49,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 493 transitions, 9309 flow [2021-04-29 05:52:49,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:52:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:52:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-04-29 05:52:49,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5470588235294118 [2021-04-29 05:52:49,990 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-04-29 05:52:49,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-04-29 05:52:49,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:49,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-04-29 05:52:49,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:49,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:49,993 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:49,993 INFO L185 Difference]: Start difference. First operand has 67 places, 441 transitions, 7431 flow. Second operand 5 states and 186 transitions. [2021-04-29 05:52:49,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 493 transitions, 9309 flow [2021-04-29 05:52:50,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 493 transitions, 8882 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:52:50,071 INFO L241 Difference]: Finished difference. Result has 69 places, 477 transitions, 8374 flow [2021-04-29 05:52:50,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=6966, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=8374, PETRI_PLACES=69, PETRI_TRANSITIONS=477} [2021-04-29 05:52:50,072 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 13 predicate places. [2021-04-29 05:52:50,072 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:50,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 477 transitions, 8374 flow [2021-04-29 05:52:50,073 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 477 transitions, 8374 flow [2021-04-29 05:52:50,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 477 transitions, 8374 flow [2021-04-29 05:52:50,566 INFO L129 PetriNetUnfolder]: 2419/4099 cut-off events. [2021-04-29 05:52:50,566 INFO L130 PetriNetUnfolder]: For 25452/25794 co-relation queries the response was YES. [2021-04-29 05:52:50,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24449 conditions, 4099 events. 2419/4099 cut-off events. For 25452/25794 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 27704 event pairs, 244 based on Foata normal form. 232/4322 useless extension candidates. Maximal degree in co-relation 24222. Up to 2380 conditions per place. [2021-04-29 05:52:50,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 864 [2021-04-29 05:52:50,730 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:50,730 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:50,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 658 [2021-04-29 05:52:50,731 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 477 transitions, 8374 flow [2021-04-29 05:52:50,731 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) [2021-04-29 05:52:50,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:50,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:50,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 05:52:50,732 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:50,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:50,733 INFO L82 PathProgramCache]: Analyzing trace with hash 129331039, now seen corresponding path program 10 times [2021-04-29 05:52:50,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:50,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41180878] [2021-04-29 05:52:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:50,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:50,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:50,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:50,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:50,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:50,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:50,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:50,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41180878] [2021-04-29 05:52:50,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:50,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:52:50,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652534360] [2021-04-29 05:52:50,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:52:50,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:50,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:52:50,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:52:50,772 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:50,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 477 transitions, 8374 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) [2021-04-29 05:52:50,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:50,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:50,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:51,840 INFO L129 PetriNetUnfolder]: 2913/4807 cut-off events. [2021-04-29 05:52:51,841 INFO L130 PetriNetUnfolder]: For 32363/33594 co-relation queries the response was YES. [2021-04-29 05:52:51,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32546 conditions, 4807 events. 2913/4807 cut-off events. For 32363/33594 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 32468 event pairs, 561 based on Foata normal form. 116/4905 useless extension candidates. Maximal degree in co-relation 32398. Up to 4030 conditions per place. [2021-04-29 05:52:51,878 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 238 selfloop transitions, 264 changer transitions 1/514 dead transitions. [2021-04-29 05:52:51,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 514 transitions, 10028 flow [2021-04-29 05:52:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:52:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:52:51,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-04-29 05:52:51,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5470588235294118 [2021-04-29 05:52:51,880 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-04-29 05:52:51,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-04-29 05:52:51,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:51,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-04-29 05:52:51,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:51,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:51,883 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:51,883 INFO L185 Difference]: Start difference. First operand has 69 places, 477 transitions, 8374 flow. Second operand 5 states and 186 transitions. [2021-04-29 05:52:51,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 514 transitions, 10028 flow [2021-04-29 05:52:51,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 514 transitions, 9765 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:52:51,951 INFO L241 Difference]: Finished difference. Result has 72 places, 500 transitions, 9271 flow [2021-04-29 05:52:51,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=8042, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=9271, PETRI_PLACES=72, PETRI_TRANSITIONS=500} [2021-04-29 05:52:51,952 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 16 predicate places. [2021-04-29 05:52:51,952 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:51,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 500 transitions, 9271 flow [2021-04-29 05:52:51,953 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 500 transitions, 9271 flow [2021-04-29 05:52:51,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 500 transitions, 9271 flow [2021-04-29 05:52:52,468 INFO L129 PetriNetUnfolder]: 2359/4015 cut-off events. [2021-04-29 05:52:52,469 INFO L130 PetriNetUnfolder]: For 26621/26875 co-relation queries the response was YES. [2021-04-29 05:52:52,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23856 conditions, 4015 events. 2359/4015 cut-off events. For 26621/26875 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 27177 event pairs, 219 based on Foata normal form. 174/4173 useless extension candidates. Maximal degree in co-relation 23643. Up to 2348 conditions per place. [2021-04-29 05:52:52,513 INFO L146 LiptonReduction]: Number of co-enabled transitions 850 [2021-04-29 05:52:52,613 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:52,613 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:52,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 662 [2021-04-29 05:52:52,614 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 500 transitions, 9271 flow [2021-04-29 05:52:52,615 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) [2021-04-29 05:52:52,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:52,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:52,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 05:52:52,615 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:52,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:52,616 INFO L82 PathProgramCache]: Analyzing trace with hash 2027067999, now seen corresponding path program 11 times [2021-04-29 05:52:52,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:52,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925612189] [2021-04-29 05:52:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:52,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:52,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:52,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:52,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:52,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:52,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:52,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:52,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:52,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925612189] [2021-04-29 05:52:52,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:52,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:52:52,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721762229] [2021-04-29 05:52:52,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:52:52,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:52,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:52:52,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:52:52,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:52,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 500 transitions, 9271 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) [2021-04-29 05:52:52,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:52,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:52,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:53,449 INFO L129 PetriNetUnfolder]: 2035/3417 cut-off events. [2021-04-29 05:52:53,449 INFO L130 PetriNetUnfolder]: For 18865/19435 co-relation queries the response was YES. [2021-04-29 05:52:53,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22797 conditions, 3417 events. 2035/3417 cut-off events. For 18865/19435 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 21897 event pairs, 460 based on Foata normal form. 186/3599 useless extension candidates. Maximal degree in co-relation 22670. Up to 3074 conditions per place. [2021-04-29 05:52:53,485 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 223 selfloop transitions, 190 changer transitions 0/424 dead transitions. [2021-04-29 05:52:53,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 424 transitions, 8315 flow [2021-04-29 05:52:53,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:52:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:52:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 184 transitions. [2021-04-29 05:52:53,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5411764705882353 [2021-04-29 05:52:53,488 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 184 transitions. [2021-04-29 05:52:53,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 184 transitions. [2021-04-29 05:52:53,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:53,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 184 transitions. [2021-04-29 05:52:53,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.8) internal successors, (184), 5 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:53,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:53,491 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:53,491 INFO L185 Difference]: Start difference. First operand has 72 places, 500 transitions, 9271 flow. Second operand 5 states and 184 transitions. [2021-04-29 05:52:53,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 424 transitions, 8315 flow [2021-04-29 05:52:53,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 424 transitions, 7673 flow, removed 227 selfloop flow, removed 2 redundant places. [2021-04-29 05:52:53,557 INFO L241 Difference]: Finished difference. Result has 76 places, 416 transitions, 7314 flow [2021-04-29 05:52:53,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=5775, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=7314, PETRI_PLACES=76, PETRI_TRANSITIONS=416} [2021-04-29 05:52:53,558 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 20 predicate places. [2021-04-29 05:52:53,558 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:53,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 416 transitions, 7314 flow [2021-04-29 05:52:53,559 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 416 transitions, 7314 flow [2021-04-29 05:52:53,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 416 transitions, 7314 flow [2021-04-29 05:52:53,919 INFO L129 PetriNetUnfolder]: 1697/2999 cut-off events. [2021-04-29 05:52:53,919 INFO L130 PetriNetUnfolder]: For 18962/19221 co-relation queries the response was YES. [2021-04-29 05:52:53,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17590 conditions, 2999 events. 1697/2999 cut-off events. For 18962/19221 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 19945 event pairs, 196 based on Foata normal form. 103/3090 useless extension candidates. Maximal degree in co-relation 17417. Up to 1491 conditions per place. [2021-04-29 05:52:53,951 INFO L146 LiptonReduction]: Number of co-enabled transitions 642 [2021-04-29 05:52:54,063 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:54,063 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:54,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-04-29 05:52:54,064 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 416 transitions, 7314 flow [2021-04-29 05:52:54,064 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) [2021-04-29 05:52:54,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:54,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:54,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 05:52:54,064 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:54,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:54,065 INFO L82 PathProgramCache]: Analyzing trace with hash -73417423, now seen corresponding path program 12 times [2021-04-29 05:52:54,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:54,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832735429] [2021-04-29 05:52:54,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:54,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:54,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:54,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:54,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:54,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:54,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832735429] [2021-04-29 05:52:54,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:54,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:52:54,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210242498] [2021-04-29 05:52:54,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:52:54,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:54,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:52:54,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:52:54,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:54,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 416 transitions, 7314 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) [2021-04-29 05:52:54,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:54,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:54,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:54,919 INFO L129 PetriNetUnfolder]: 2104/3586 cut-off events. [2021-04-29 05:52:54,920 INFO L130 PetriNetUnfolder]: For 21375/21951 co-relation queries the response was YES. [2021-04-29 05:52:54,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24482 conditions, 3586 events. 2104/3586 cut-off events. For 21375/21951 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 23709 event pairs, 317 based on Foata normal form. 180/3761 useless extension candidates. Maximal degree in co-relation 24359. Up to 1688 conditions per place. [2021-04-29 05:52:54,947 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 94 selfloop transitions, 363 changer transitions 0/468 dead transitions. [2021-04-29 05:52:54,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 468 transitions, 8989 flow [2021-04-29 05:52:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:52:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:52:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-04-29 05:52:54,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:52:54,952 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-04-29 05:52:54,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-04-29 05:52:54,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:54,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-04-29 05:52:54,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 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) [2021-04-29 05:52:54,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:54,956 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:54,956 INFO L185 Difference]: Start difference. First operand has 76 places, 416 transitions, 7314 flow. Second operand 6 states and 228 transitions. [2021-04-29 05:52:54,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 468 transitions, 8989 flow [2021-04-29 05:52:55,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 468 transitions, 8801 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:52:55,019 INFO L241 Difference]: Finished difference. Result has 79 places, 446 transitions, 8361 flow [2021-04-29 05:52:55,020 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=7126, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=333, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=8361, PETRI_PLACES=79, PETRI_TRANSITIONS=446} [2021-04-29 05:52:55,020 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 23 predicate places. [2021-04-29 05:52:55,020 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:55,020 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 446 transitions, 8361 flow [2021-04-29 05:52:55,021 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 446 transitions, 8361 flow [2021-04-29 05:52:55,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 446 transitions, 8361 flow [2021-04-29 05:52:55,477 INFO L129 PetriNetUnfolder]: 1736/3089 cut-off events. [2021-04-29 05:52:55,478 INFO L130 PetriNetUnfolder]: For 24017/24367 co-relation queries the response was YES. [2021-04-29 05:52:55,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19615 conditions, 3089 events. 1736/3089 cut-off events. For 24017/24367 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 20911 event pairs, 169 based on Foata normal form. 144/3225 useless extension candidates. Maximal degree in co-relation 19453. Up to 1543 conditions per place. [2021-04-29 05:52:55,511 INFO L146 LiptonReduction]: Number of co-enabled transitions 654 [2021-04-29 05:52:55,579 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:55,579 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:55,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 560 [2021-04-29 05:52:55,580 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 446 transitions, 8361 flow [2021-04-29 05:52:55,581 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) [2021-04-29 05:52:55,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:55,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:55,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 05:52:55,581 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:55,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:55,582 INFO L82 PathProgramCache]: Analyzing trace with hash -2120870433, now seen corresponding path program 13 times [2021-04-29 05:52:55,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:55,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69462100] [2021-04-29 05:52:55,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:55,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:55,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:55,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:55,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:55,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:55,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:55,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:55,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:55,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:55,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:55,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69462100] [2021-04-29 05:52:55,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:55,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:52:55,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414706838] [2021-04-29 05:52:55,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:52:55,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:55,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:52:55,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:52:55,625 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:55,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 446 transitions, 8361 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) [2021-04-29 05:52:55,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:55,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:55,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:56,550 INFO L129 PetriNetUnfolder]: 2154/3769 cut-off events. [2021-04-29 05:52:56,550 INFO L130 PetriNetUnfolder]: For 28455/28691 co-relation queries the response was YES. [2021-04-29 05:52:56,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26935 conditions, 3769 events. 2154/3769 cut-off events. For 28455/28691 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 25841 event pairs, 393 based on Foata normal form. 139/3905 useless extension candidates. Maximal degree in co-relation 26777. Up to 1688 conditions per place. [2021-04-29 05:52:56,579 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 94 selfloop transitions, 402 changer transitions 0/507 dead transitions. [2021-04-29 05:52:56,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 507 transitions, 10351 flow [2021-04-29 05:52:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:52:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:52:56,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-04-29 05:52:56,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:52:56,581 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-04-29 05:52:56,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-04-29 05:52:56,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:56,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-04-29 05:52:56,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 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) [2021-04-29 05:52:56,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:56,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:56,584 INFO L185 Difference]: Start difference. First operand has 79 places, 446 transitions, 8361 flow. Second operand 6 states and 228 transitions. [2021-04-29 05:52:56,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 507 transitions, 10351 flow [2021-04-29 05:52:56,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 507 transitions, 9923 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:52:56,645 INFO L241 Difference]: Finished difference. Result has 82 places, 486 transitions, 9665 flow [2021-04-29 05:52:56,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=7972, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=362, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9665, PETRI_PLACES=82, PETRI_TRANSITIONS=486} [2021-04-29 05:52:56,646 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 26 predicate places. [2021-04-29 05:52:56,646 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:56,646 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 486 transitions, 9665 flow [2021-04-29 05:52:56,646 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 486 transitions, 9665 flow [2021-04-29 05:52:56,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 486 transitions, 9665 flow [2021-04-29 05:52:57,048 INFO L129 PetriNetUnfolder]: 1747/3152 cut-off events. [2021-04-29 05:52:57,049 INFO L130 PetriNetUnfolder]: For 31440/31926 co-relation queries the response was YES. [2021-04-29 05:52:57,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21050 conditions, 3152 events. 1747/3152 cut-off events. For 31440/31926 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 22007 event pairs, 189 based on Foata normal form. 167/3292 useless extension candidates. Maximal degree in co-relation 20915. Up to 1615 conditions per place. [2021-04-29 05:52:57,096 INFO L146 LiptonReduction]: Number of co-enabled transitions 678 [2021-04-29 05:52:57,175 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:57,175 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:57,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 529 [2021-04-29 05:52:57,176 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 486 transitions, 9665 flow [2021-04-29 05:52:57,176 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) [2021-04-29 05:52:57,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:57,176 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:57,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 05:52:57,177 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:57,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1873088051, now seen corresponding path program 14 times [2021-04-29 05:52:57,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:57,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980572192] [2021-04-29 05:52:57,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:57,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:57,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:57,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:52:57,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:57,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:57,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:57,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:57,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:57,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:57,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980572192] [2021-04-29 05:52:57,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:57,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:52:57,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561804219] [2021-04-29 05:52:57,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:52:57,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:57,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:52:57,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:52:57,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:57,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 486 transitions, 9665 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) [2021-04-29 05:52:57,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:57,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:57,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:58,551 INFO L129 PetriNetUnfolder]: 2396/4324 cut-off events. [2021-04-29 05:52:58,551 INFO L130 PetriNetUnfolder]: For 35348/36202 co-relation queries the response was YES. [2021-04-29 05:52:58,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31247 conditions, 4324 events. 2396/4324 cut-off events. For 35348/36202 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 31576 event pairs, 57 based on Foata normal form. 212/4529 useless extension candidates. Maximal degree in co-relation 31053. Up to 1975 conditions per place. [2021-04-29 05:52:58,589 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 42 selfloop transitions, 614 changer transitions 2/669 dead transitions. [2021-04-29 05:52:58,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 669 transitions, 13488 flow [2021-04-29 05:52:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:52:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:52:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 389 transitions. [2021-04-29 05:52:58,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5720588235294117 [2021-04-29 05:52:58,591 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 389 transitions. [2021-04-29 05:52:58,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 389 transitions. [2021-04-29 05:52:58,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:58,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 389 transitions. [2021-04-29 05:52:58,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 38.9) internal successors, (389), 10 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) [2021-04-29 05:52:58,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:58,594 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:58,594 INFO L185 Difference]: Start difference. First operand has 82 places, 486 transitions, 9665 flow. Second operand 10 states and 389 transitions. [2021-04-29 05:52:58,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 669 transitions, 13488 flow [2021-04-29 05:52:58,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 669 transitions, 12909 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-04-29 05:52:58,673 INFO L241 Difference]: Finished difference. Result has 91 places, 644 transitions, 13243 flow [2021-04-29 05:52:58,674 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=9197, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=464, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13243, PETRI_PLACES=91, PETRI_TRANSITIONS=644} [2021-04-29 05:52:58,674 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 35 predicate places. [2021-04-29 05:52:58,675 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:58,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 644 transitions, 13243 flow [2021-04-29 05:52:58,675 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 644 transitions, 13243 flow [2021-04-29 05:52:58,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 644 transitions, 13243 flow [2021-04-29 05:52:59,266 INFO L129 PetriNetUnfolder]: 2061/3763 cut-off events. [2021-04-29 05:52:59,266 INFO L130 PetriNetUnfolder]: For 45752/46315 co-relation queries the response was YES. [2021-04-29 05:52:59,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27782 conditions, 3763 events. 2061/3763 cut-off events. For 45752/46315 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 27551 event pairs, 69 based on Foata normal form. 214/3976 useless extension candidates. Maximal degree in co-relation 27606. Up to 1975 conditions per place. [2021-04-29 05:52:59,330 INFO L146 LiptonReduction]: Number of co-enabled transitions 852 [2021-04-29 05:52:59,483 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:59,484 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:59,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 809 [2021-04-29 05:52:59,485 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 644 transitions, 13243 flow [2021-04-29 05:52:59,485 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) [2021-04-29 05:52:59,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:59,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:52:59,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 05:52:59,485 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:59,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:59,486 INFO L82 PathProgramCache]: Analyzing trace with hash -288715651, now seen corresponding path program 15 times [2021-04-29 05:52:59,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:59,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985173124] [2021-04-29 05:52:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:59,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:59,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:59,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:59,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:59,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:59,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:52:59,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:59,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:59,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:59,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:59,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:59,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:59,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985173124] [2021-04-29 05:52:59,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:59,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:52:59,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222170182] [2021-04-29 05:52:59,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:52:59,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:59,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:52:59,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:52:59,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:52:59,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 644 transitions, 13243 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) [2021-04-29 05:52:59,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:59,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:52:59,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:01,123 INFO L129 PetriNetUnfolder]: 2766/5044 cut-off events. [2021-04-29 05:53:01,123 INFO L130 PetriNetUnfolder]: For 54181/54496 co-relation queries the response was YES. [2021-04-29 05:53:01,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39927 conditions, 5044 events. 2766/5044 cut-off events. For 54181/54496 co-relation queries the response was YES. Maximal size of possible extension queue 537. Compared 38386 event pairs, 207 based on Foata normal form. 107/5148 useless extension candidates. Maximal degree in co-relation 39683. Up to 2271 conditions per place. [2021-04-29 05:53:01,168 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 172 selfloop transitions, 572 changer transitions 0/755 dead transitions. [2021-04-29 05:53:01,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 755 transitions, 15988 flow [2021-04-29 05:53:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:53:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:53:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-04-29 05:53:01,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:53:01,170 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-04-29 05:53:01,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-04-29 05:53:01,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:01,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-04-29 05:53:01,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 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) [2021-04-29 05:53:01,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:01,173 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:01,173 INFO L185 Difference]: Start difference. First operand has 91 places, 644 transitions, 13243 flow. Second operand 6 states and 228 transitions. [2021-04-29 05:53:01,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 755 transitions, 15988 flow [2021-04-29 05:53:01,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 755 transitions, 15757 flow, removed 113 selfloop flow, removed 1 redundant places. [2021-04-29 05:53:01,335 INFO L241 Difference]: Finished difference. Result has 98 places, 721 transitions, 16186 flow [2021-04-29 05:53:01,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=13140, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=520, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=16186, PETRI_PLACES=98, PETRI_TRANSITIONS=721} [2021-04-29 05:53:01,336 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 42 predicate places. [2021-04-29 05:53:01,336 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:01,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 721 transitions, 16186 flow [2021-04-29 05:53:01,337 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 721 transitions, 16186 flow [2021-04-29 05:53:01,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 721 transitions, 16186 flow [2021-04-29 05:53:02,135 INFO L129 PetriNetUnfolder]: 2359/4350 cut-off events. [2021-04-29 05:53:02,135 INFO L130 PetriNetUnfolder]: For 65330/66272 co-relation queries the response was YES. [2021-04-29 05:53:02,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34869 conditions, 4350 events. 2359/4350 cut-off events. For 65330/66272 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 32715 event pairs, 63 based on Foata normal form. 295/4643 useless extension candidates. Maximal degree in co-relation 34643. Up to 2271 conditions per place. [2021-04-29 05:53:02,210 INFO L146 LiptonReduction]: Number of co-enabled transitions 1004 [2021-04-29 05:53:02,533 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:02,534 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:02,534 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1198 [2021-04-29 05:53:02,535 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 721 transitions, 16186 flow [2021-04-29 05:53:02,535 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) [2021-04-29 05:53:02,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:02,535 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:02,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 05:53:02,535 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:02,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1160317379, now seen corresponding path program 16 times [2021-04-29 05:53:02,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:02,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090592915] [2021-04-29 05:53:02,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:02,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:02,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090592915] [2021-04-29 05:53:02,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:02,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:53:02,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584744280] [2021-04-29 05:53:02,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:53:02,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:02,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:53:02,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:53:02,603 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:02,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 721 transitions, 16186 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) [2021-04-29 05:53:02,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:02,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:02,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:04,592 INFO L129 PetriNetUnfolder]: 2781/5138 cut-off events. [2021-04-29 05:53:04,593 INFO L130 PetriNetUnfolder]: For 61823/62223 co-relation queries the response was YES. [2021-04-29 05:53:04,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44804 conditions, 5138 events. 2781/5138 cut-off events. For 61823/62223 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 39447 event pairs, 125 based on Foata normal form. 99/5234 useless extension candidates. Maximal degree in co-relation 44519. Up to 2320 conditions per place. [2021-04-29 05:53:04,641 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 169 selfloop transitions, 685 changer transitions 0/865 dead transitions. [2021-04-29 05:53:04,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 865 transitions, 20970 flow [2021-04-29 05:53:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:53:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:53:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 308 transitions. [2021-04-29 05:53:04,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5661764705882353 [2021-04-29 05:53:04,648 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 308 transitions. [2021-04-29 05:53:04,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 308 transitions. [2021-04-29 05:53:04,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:04,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 308 transitions. [2021-04-29 05:53:04,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.5) internal successors, (308), 8 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:04,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:04,652 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:04,652 INFO L185 Difference]: Start difference. First operand has 98 places, 721 transitions, 16186 flow. Second operand 8 states and 308 transitions. [2021-04-29 05:53:04,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 865 transitions, 20970 flow [2021-04-29 05:53:04,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 865 transitions, 20941 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-04-29 05:53:04,846 INFO L241 Difference]: Finished difference. Result has 108 places, 857 transitions, 21632 flow [2021-04-29 05:53:04,847 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=15959, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21632, PETRI_PLACES=108, PETRI_TRANSITIONS=857} [2021-04-29 05:53:04,847 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 52 predicate places. [2021-04-29 05:53:04,847 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:04,848 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 857 transitions, 21632 flow [2021-04-29 05:53:04,848 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 857 transitions, 21632 flow [2021-04-29 05:53:04,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 857 transitions, 21632 flow [2021-04-29 05:53:05,784 INFO L129 PetriNetUnfolder]: 2374/4424 cut-off events. [2021-04-29 05:53:05,785 INFO L130 PetriNetUnfolder]: For 75075/76286 co-relation queries the response was YES. [2021-04-29 05:53:05,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40569 conditions, 4424 events. 2374/4424 cut-off events. For 75075/76286 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 33867 event pairs, 30 based on Foata normal form. 359/4779 useless extension candidates. Maximal degree in co-relation 40309. Up to 2320 conditions per place. [2021-04-29 05:53:05,860 INFO L146 LiptonReduction]: Number of co-enabled transitions 1118 [2021-04-29 05:53:06,116 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:06,116 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:06,117 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1270 [2021-04-29 05:53:06,118 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 857 transitions, 21632 flow [2021-04-29 05:53:06,118 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) [2021-04-29 05:53:06,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:06,118 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:06,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 05:53:06,118 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:06,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:06,119 INFO L82 PathProgramCache]: Analyzing trace with hash -813569497, now seen corresponding path program 17 times [2021-04-29 05:53:06,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:06,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458113018] [2021-04-29 05:53:06,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:06,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:06,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:06,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:53:06,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:06,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:53:06,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:06,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:53:06,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:06,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:06,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:06,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458113018] [2021-04-29 05:53:06,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:06,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:53:06,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783599225] [2021-04-29 05:53:06,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:53:06,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:06,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:53:06,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:53:06,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:06,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 857 transitions, 21632 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) [2021-04-29 05:53:06,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:06,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:06,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:08,575 INFO L129 PetriNetUnfolder]: 2854/5296 cut-off events. [2021-04-29 05:53:08,576 INFO L130 PetriNetUnfolder]: For 88866/89335 co-relation queries the response was YES. [2021-04-29 05:53:08,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52229 conditions, 5296 events. 2854/5296 cut-off events. For 88866/89335 co-relation queries the response was YES. Maximal size of possible extension queue 584. Compared 41390 event pairs, 226 based on Foata normal form. 139/5432 useless extension candidates. Maximal degree in co-relation 51960. Up to 2393 conditions per place. [2021-04-29 05:53:08,631 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 221 selfloop transitions, 708 changer transitions 0/940 dead transitions. [2021-04-29 05:53:08,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 940 transitions, 25024 flow [2021-04-29 05:53:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:53:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:53:08,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-04-29 05:53:08,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:53:08,633 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-04-29 05:53:08,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-04-29 05:53:08,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:08,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-04-29 05:53:08,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 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) [2021-04-29 05:53:08,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:08,636 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:08,636 INFO L185 Difference]: Start difference. First operand has 108 places, 857 transitions, 21632 flow. Second operand 6 states and 228 transitions. [2021-04-29 05:53:08,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 940 transitions, 25024 flow [2021-04-29 05:53:08,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 940 transitions, 24851 flow, removed 72 selfloop flow, removed 2 redundant places. [2021-04-29 05:53:08,911 INFO L241 Difference]: Finished difference. Result has 112 places, 904 transitions, 24324 flow [2021-04-29 05:53:08,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=21493, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=661, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=24324, PETRI_PLACES=112, PETRI_TRANSITIONS=904} [2021-04-29 05:53:08,912 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 56 predicate places. [2021-04-29 05:53:08,912 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:08,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 904 transitions, 24324 flow [2021-04-29 05:53:08,913 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 904 transitions, 24324 flow [2021-04-29 05:53:08,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 904 transitions, 24324 flow [2021-04-29 05:53:10,000 INFO L129 PetriNetUnfolder]: 2424/4540 cut-off events. [2021-04-29 05:53:10,000 INFO L130 PetriNetUnfolder]: For 94268/95657 co-relation queries the response was YES. [2021-04-29 05:53:10,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44916 conditions, 4540 events. 2424/4540 cut-off events. For 94268/95657 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 35471 event pairs, 31 based on Foata normal form. 452/4990 useless extension candidates. Maximal degree in co-relation 44679. Up to 2325 conditions per place. [2021-04-29 05:53:10,077 INFO L146 LiptonReduction]: Number of co-enabled transitions 1144 [2021-04-29 05:53:10,489 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:10,489 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:10,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1577 [2021-04-29 05:53:10,490 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 904 transitions, 24324 flow [2021-04-29 05:53:10,491 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) [2021-04-29 05:53:10,491 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:10,491 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:10,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 05:53:10,491 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:10,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:10,492 INFO L82 PathProgramCache]: Analyzing trace with hash 430548767, now seen corresponding path program 18 times [2021-04-29 05:53:10,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:10,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261823082] [2021-04-29 05:53:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:10,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:10,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:10,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:10,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:10,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:10,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:10,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:10,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:10,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:10,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:10,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:10,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:10,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:10,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:10,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261823082] [2021-04-29 05:53:10,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:10,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:53:10,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783602974] [2021-04-29 05:53:10,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:53:10,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:10,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:53:10,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:53:10,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:10,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 904 transitions, 24324 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) [2021-04-29 05:53:10,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:10,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:10,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:13,167 INFO L129 PetriNetUnfolder]: 2867/5356 cut-off events. [2021-04-29 05:53:13,167 INFO L130 PetriNetUnfolder]: For 83289/83765 co-relation queries the response was YES. [2021-04-29 05:53:13,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56718 conditions, 5356 events. 2867/5356 cut-off events. For 83289/83765 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 42233 event pairs, 110 based on Foata normal form. 178/5531 useless extension candidates. Maximal degree in co-relation 56439. Up to 2390 conditions per place. [2021-04-29 05:53:13,226 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 236 selfloop transitions, 724 changer transitions 0/971 dead transitions. [2021-04-29 05:53:13,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 971 transitions, 28014 flow [2021-04-29 05:53:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:53:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:53:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 345 transitions. [2021-04-29 05:53:13,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5637254901960784 [2021-04-29 05:53:13,228 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 345 transitions. [2021-04-29 05:53:13,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 345 transitions. [2021-04-29 05:53:13,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:13,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 345 transitions. [2021-04-29 05:53:13,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.333333333333336) internal successors, (345), 9 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:13,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:13,231 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:13,231 INFO L185 Difference]: Start difference. First operand has 112 places, 904 transitions, 24324 flow. Second operand 9 states and 345 transitions. [2021-04-29 05:53:13,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 971 transitions, 28014 flow [2021-04-29 05:53:13,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 971 transitions, 27156 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-04-29 05:53:13,544 INFO L241 Difference]: Finished difference. Result has 119 places, 952 transitions, 26583 flow [2021-04-29 05:53:13,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=23166, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=664, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=26583, PETRI_PLACES=119, PETRI_TRANSITIONS=952} [2021-04-29 05:53:13,546 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 63 predicate places. [2021-04-29 05:53:13,546 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:13,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 952 transitions, 26583 flow [2021-04-29 05:53:13,546 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 952 transitions, 26583 flow [2021-04-29 05:53:13,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 952 transitions, 26583 flow [2021-04-29 05:53:14,886 INFO L129 PetriNetUnfolder]: 2451/4642 cut-off events. [2021-04-29 05:53:14,886 INFO L130 PetriNetUnfolder]: For 92171/93655 co-relation queries the response was YES. [2021-04-29 05:53:14,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47420 conditions, 4642 events. 2451/4642 cut-off events. For 92171/93655 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 36365 event pairs, 31 based on Foata normal form. 360/4998 useless extension candidates. Maximal degree in co-relation 47153. Up to 2390 conditions per place. [2021-04-29 05:53:14,957 INFO L146 LiptonReduction]: Number of co-enabled transitions 1152 [2021-04-29 05:53:15,435 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:15,436 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:15,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1890 [2021-04-29 05:53:15,437 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 952 transitions, 26583 flow [2021-04-29 05:53:15,437 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) [2021-04-29 05:53:15,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:15,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:15,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 05:53:15,438 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:15,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:15,438 INFO L82 PathProgramCache]: Analyzing trace with hash 84404119, now seen corresponding path program 19 times [2021-04-29 05:53:15,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:15,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42195933] [2021-04-29 05:53:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:15,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:15,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:15,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:15,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:15,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:53:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:15,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:15,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:15,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42195933] [2021-04-29 05:53:15,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:15,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:53:15,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694655959] [2021-04-29 05:53:15,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:53:15,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:15,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:53:15,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:53:15,505 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:15,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 952 transitions, 26583 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) [2021-04-29 05:53:15,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:15,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:15,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:18,712 INFO L129 PetriNetUnfolder]: 2794/5328 cut-off events. [2021-04-29 05:53:18,713 INFO L130 PetriNetUnfolder]: For 90570/91766 co-relation queries the response was YES. [2021-04-29 05:53:18,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58638 conditions, 5328 events. 2794/5328 cut-off events. For 90570/91766 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 43020 event pairs, 12 based on Foata normal form. 404/5729 useless extension candidates. Maximal degree in co-relation 58369. Up to 2436 conditions per place. [2021-04-29 05:53:18,761 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 41 selfloop transitions, 987 changer transitions 1/1040 dead transitions. [2021-04-29 05:53:18,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 1040 transitions, 30241 flow [2021-04-29 05:53:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:53:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:53:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 347 transitions. [2021-04-29 05:53:18,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5669934640522876 [2021-04-29 05:53:18,763 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 347 transitions. [2021-04-29 05:53:18,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 347 transitions. [2021-04-29 05:53:18,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:18,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 347 transitions. [2021-04-29 05:53:18,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.55555555555556) internal successors, (347), 9 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) [2021-04-29 05:53:18,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:18,766 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:18,766 INFO L185 Difference]: Start difference. First operand has 119 places, 952 transitions, 26583 flow. Second operand 9 states and 347 transitions. [2021-04-29 05:53:18,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 1040 transitions, 30241 flow [2021-04-29 05:53:19,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 1040 transitions, 30090 flow, removed 61 selfloop flow, removed 2 redundant places. [2021-04-29 05:53:19,175 INFO L241 Difference]: Finished difference. Result has 127 places, 1023 transitions, 30134 flow [2021-04-29 05:53:19,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=25610, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=887, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=30134, PETRI_PLACES=127, PETRI_TRANSITIONS=1023} [2021-04-29 05:53:19,176 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 71 predicate places. [2021-04-29 05:53:19,177 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:19,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 1023 transitions, 30134 flow [2021-04-29 05:53:19,182 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 1023 transitions, 30134 flow [2021-04-29 05:53:19,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 1023 transitions, 30134 flow [2021-04-29 05:53:20,601 INFO L129 PetriNetUnfolder]: 2436/4655 cut-off events. [2021-04-29 05:53:20,601 INFO L130 PetriNetUnfolder]: For 89771/91264 co-relation queries the response was YES. [2021-04-29 05:53:20,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52469 conditions, 4655 events. 2436/4655 cut-off events. For 89771/91264 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 37300 event pairs, 23 based on Foata normal form. 319/4971 useless extension candidates. Maximal degree in co-relation 52208. Up to 2247 conditions per place. [2021-04-29 05:53:20,672 INFO L146 LiptonReduction]: Number of co-enabled transitions 1210 [2021-04-29 05:53:21,230 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:21,230 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:21,231 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2054 [2021-04-29 05:53:21,231 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 1023 transitions, 30134 flow [2021-04-29 05:53:21,232 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) [2021-04-29 05:53:21,232 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:21,232 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:21,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 05:53:21,232 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:21,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:21,233 INFO L82 PathProgramCache]: Analyzing trace with hash 300987491, now seen corresponding path program 20 times [2021-04-29 05:53:21,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:21,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205027535] [2021-04-29 05:53:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:21,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:21,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:21,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:53:21,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:21,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:53:21,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:21,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:21,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:21,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:21,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:21,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:21,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205027535] [2021-04-29 05:53:21,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:21,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:53:21,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346742316] [2021-04-29 05:53:21,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:53:21,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:21,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:53:21,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:53:21,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:21,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 1023 transitions, 30134 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) [2021-04-29 05:53:21,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:21,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:21,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:24,681 INFO L129 PetriNetUnfolder]: 2830/5537 cut-off events. [2021-04-29 05:53:24,681 INFO L130 PetriNetUnfolder]: For 104465/105029 co-relation queries the response was YES. [2021-04-29 05:53:24,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65739 conditions, 5537 events. 2830/5537 cut-off events. For 104465/105029 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 46148 event pairs, 17 based on Foata normal form. 161/5695 useless extension candidates. Maximal degree in co-relation 65441. Up to 2330 conditions per place. [2021-04-29 05:53:24,747 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 136 selfloop transitions, 985 changer transitions 10/1142 dead transitions. [2021-04-29 05:53:24,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 1142 transitions, 34369 flow [2021-04-29 05:53:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 05:53:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 05:53:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2021-04-29 05:53:24,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5651260504201681 [2021-04-29 05:53:24,749 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 269 transitions. [2021-04-29 05:53:24,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 269 transitions. [2021-04-29 05:53:24,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:24,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 269 transitions. [2021-04-29 05:53:24,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.42857142857143) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:24,751 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) [2021-04-29 05:53:24,751 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) [2021-04-29 05:53:24,752 INFO L185 Difference]: Start difference. First operand has 127 places, 1023 transitions, 30134 flow. Second operand 7 states and 269 transitions. [2021-04-29 05:53:24,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 1142 transitions, 34369 flow [2021-04-29 05:53:25,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 1142 transitions, 33559 flow, removed 139 selfloop flow, removed 5 redundant places. [2021-04-29 05:53:25,435 INFO L241 Difference]: Finished difference. Result has 131 places, 1096 transitions, 33993 flow [2021-04-29 05:53:25,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=29348, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=922, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=33993, PETRI_PLACES=131, PETRI_TRANSITIONS=1096} [2021-04-29 05:53:25,437 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 75 predicate places. [2021-04-29 05:53:25,437 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:25,437 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 1096 transitions, 33993 flow [2021-04-29 05:53:25,437 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 1096 transitions, 33993 flow [2021-04-29 05:53:25,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 1096 transitions, 33993 flow [2021-04-29 05:53:27,012 INFO L129 PetriNetUnfolder]: 2456/4866 cut-off events. [2021-04-29 05:53:27,012 INFO L130 PetriNetUnfolder]: For 124661/126971 co-relation queries the response was YES. [2021-04-29 05:53:27,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57086 conditions, 4866 events. 2456/4866 cut-off events. For 124661/126971 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 40680 event pairs, 23 based on Foata normal form. 363/5225 useless extension candidates. Maximal degree in co-relation 56762. Up to 2031 conditions per place. [2021-04-29 05:53:27,094 INFO L146 LiptonReduction]: Number of co-enabled transitions 1404 [2021-04-29 05:53:27,453 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:27,453 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:27,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2016 [2021-04-29 05:53:27,454 INFO L480 AbstractCegarLoop]: Abstraction has has 131 places, 1096 transitions, 33993 flow [2021-04-29 05:53:27,454 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) [2021-04-29 05:53:27,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:27,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:27,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 05:53:27,455 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:27,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash -481694669, now seen corresponding path program 21 times [2021-04-29 05:53:27,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:27,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401386368] [2021-04-29 05:53:27,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:27,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:27,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:27,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:27,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:27,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:27,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:27,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:27,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:27,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:27,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:27,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:27,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:27,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401386368] [2021-04-29 05:53:27,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:27,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:53:27,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134358881] [2021-04-29 05:53:27,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:53:27,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:27,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:53:27,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:53:27,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:27,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 1096 transitions, 33993 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) [2021-04-29 05:53:27,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:27,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:27,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:31,409 INFO L129 PetriNetUnfolder]: 2756/5470 cut-off events. [2021-04-29 05:53:31,409 INFO L130 PetriNetUnfolder]: For 124925/125496 co-relation queries the response was YES. [2021-04-29 05:53:31,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68048 conditions, 5470 events. 2756/5470 cut-off events. For 124925/125496 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 46109 event pairs, 163 based on Foata normal form. 199/5667 useless extension candidates. Maximal degree in co-relation 67738. Up to 3089 conditions per place. [2021-04-29 05:53:31,478 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 458 selfloop transitions, 654 changer transitions 2/1125 dead transitions. [2021-04-29 05:53:31,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 1125 transitions, 36986 flow [2021-04-29 05:53:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:53:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:53:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-04-29 05:53:31,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:53:31,479 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-04-29 05:53:31,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-04-29 05:53:31,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:31,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-04-29 05:53:31,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 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) [2021-04-29 05:53:31,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:31,483 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:31,483 INFO L185 Difference]: Start difference. First operand has 131 places, 1096 transitions, 33993 flow. Second operand 6 states and 228 transitions. [2021-04-29 05:53:31,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 1125 transitions, 36986 flow [2021-04-29 05:53:32,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 1125 transitions, 35863 flow, removed 36 selfloop flow, removed 4 redundant places. [2021-04-29 05:53:32,215 INFO L241 Difference]: Finished difference. Result has 132 places, 1100 transitions, 34379 flow [2021-04-29 05:53:32,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=32173, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1076, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=628, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=34379, PETRI_PLACES=132, PETRI_TRANSITIONS=1100} [2021-04-29 05:53:32,217 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 76 predicate places. [2021-04-29 05:53:32,217 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:32,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 1100 transitions, 34379 flow [2021-04-29 05:53:32,217 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 1100 transitions, 34379 flow [2021-04-29 05:53:32,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 1100 transitions, 34379 flow [2021-04-29 05:53:33,850 INFO L129 PetriNetUnfolder]: 2383/4775 cut-off events. [2021-04-29 05:53:33,850 INFO L130 PetriNetUnfolder]: For 122341/124204 co-relation queries the response was YES. [2021-04-29 05:53:33,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55127 conditions, 4775 events. 2383/4775 cut-off events. For 122341/124204 co-relation queries the response was YES. Maximal size of possible extension queue 570. Compared 39897 event pairs, 10 based on Foata normal form. 297/5066 useless extension candidates. Maximal degree in co-relation 54809. Up to 1955 conditions per place. [2021-04-29 05:53:33,925 INFO L146 LiptonReduction]: Number of co-enabled transitions 1372 [2021-04-29 05:53:34,299 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:34,300 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:34,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2083 [2021-04-29 05:53:34,300 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 1100 transitions, 34379 flow [2021-04-29 05:53:34,301 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) [2021-04-29 05:53:34,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:34,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:34,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 05:53:34,301 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:34,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:34,302 INFO L82 PathProgramCache]: Analyzing trace with hash -505724905, now seen corresponding path program 22 times [2021-04-29 05:53:34,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:34,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640850143] [2021-04-29 05:53:34,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:34,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:34,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:34,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:34,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:34,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:34,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:34,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:34,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:34,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:34,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:34,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:34,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:34,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:34,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640850143] [2021-04-29 05:53:34,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:34,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:53:34,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638533912] [2021-04-29 05:53:34,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:53:34,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:34,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:53:34,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:53:34,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:34,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 1100 transitions, 34379 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) [2021-04-29 05:53:34,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:34,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:34,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:38,157 INFO L129 PetriNetUnfolder]: 2731/5445 cut-off events. [2021-04-29 05:53:38,157 INFO L130 PetriNetUnfolder]: For 126007/126598 co-relation queries the response was YES. [2021-04-29 05:53:38,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67223 conditions, 5445 events. 2731/5445 cut-off events. For 126007/126598 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 46011 event pairs, 129 based on Foata normal form. 143/5586 useless extension candidates. Maximal degree in co-relation 66910. Up to 2206 conditions per place. [2021-04-29 05:53:38,219 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 337 selfloop transitions, 804 changer transitions 0/1152 dead transitions. [2021-04-29 05:53:38,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 1152 transitions, 38030 flow [2021-04-29 05:53:38,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:53:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:53:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 347 transitions. [2021-04-29 05:53:38,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5669934640522876 [2021-04-29 05:53:38,221 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 347 transitions. [2021-04-29 05:53:38,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 347 transitions. [2021-04-29 05:53:38,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:38,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 347 transitions. [2021-04-29 05:53:38,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.55555555555556) internal successors, (347), 9 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) [2021-04-29 05:53:38,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:38,224 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:38,224 INFO L185 Difference]: Start difference. First operand has 132 places, 1100 transitions, 34379 flow. Second operand 9 states and 347 transitions. [2021-04-29 05:53:38,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 1152 transitions, 38030 flow [2021-04-29 05:53:38,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 1152 transitions, 37275 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:53:38,942 INFO L241 Difference]: Finished difference. Result has 137 places, 1130 transitions, 36241 flow [2021-04-29 05:53:38,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=33596, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=772, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36241, PETRI_PLACES=137, PETRI_TRANSITIONS=1130} [2021-04-29 05:53:38,943 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 81 predicate places. [2021-04-29 05:53:38,943 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:38,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 1130 transitions, 36241 flow [2021-04-29 05:53:38,944 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 1130 transitions, 36241 flow [2021-04-29 05:53:38,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 1130 transitions, 36241 flow [2021-04-29 05:53:40,649 INFO L129 PetriNetUnfolder]: 2378/4791 cut-off events. [2021-04-29 05:53:40,649 INFO L130 PetriNetUnfolder]: For 132851/134832 co-relation queries the response was YES. [2021-04-29 05:53:40,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56447 conditions, 4791 events. 2378/4791 cut-off events. For 132851/134832 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 40529 event pairs, 9 based on Foata normal form. 310/5097 useless extension candidates. Maximal degree in co-relation 56132. Up to 1958 conditions per place. [2021-04-29 05:53:40,716 INFO L146 LiptonReduction]: Number of co-enabled transitions 1376 [2021-04-29 05:53:41,088 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:41,089 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:41,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2146 [2021-04-29 05:53:41,089 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 1130 transitions, 36241 flow [2021-04-29 05:53:41,090 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) [2021-04-29 05:53:41,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:41,090 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:41,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 05:53:41,090 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:41,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:41,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1801848933, now seen corresponding path program 23 times [2021-04-29 05:53:41,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:41,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114046479] [2021-04-29 05:53:41,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:41,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:41,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:41,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:41,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:41,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:41,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:41,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:41,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:41,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114046479] [2021-04-29 05:53:41,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:41,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:53:41,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419449126] [2021-04-29 05:53:41,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:53:41,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:41,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:53:41,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:53:41,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:41,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 1130 transitions, 36241 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) [2021-04-29 05:53:41,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:41,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:41,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:45,504 INFO L129 PetriNetUnfolder]: 2814/5694 cut-off events. [2021-04-29 05:53:45,504 INFO L130 PetriNetUnfolder]: For 143055/143983 co-relation queries the response was YES. [2021-04-29 05:53:45,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72471 conditions, 5694 events. 2814/5694 cut-off events. For 143055/143983 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 49524 event pairs, 163 based on Foata normal form. 324/6016 useless extension candidates. Maximal degree in co-relation 72150. Up to 3150 conditions per place. [2021-04-29 05:53:45,572 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 473 selfloop transitions, 762 changer transitions 13/1259 dead transitions. [2021-04-29 05:53:45,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 1259 transitions, 42952 flow [2021-04-29 05:53:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:53:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:53:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 307 transitions. [2021-04-29 05:53:45,573 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5643382352941176 [2021-04-29 05:53:45,573 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 307 transitions. [2021-04-29 05:53:45,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 307 transitions. [2021-04-29 05:53:45,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:45,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 307 transitions. [2021-04-29 05:53:45,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:45,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:45,575 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:45,575 INFO L185 Difference]: Start difference. First operand has 137 places, 1130 transitions, 36241 flow. Second operand 8 states and 307 transitions. [2021-04-29 05:53:45,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 1259 transitions, 42952 flow [2021-04-29 05:53:46,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 1259 transitions, 42006 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-04-29 05:53:46,480 INFO L241 Difference]: Finished difference. Result has 139 places, 1208 transitions, 39756 flow [2021-04-29 05:53:46,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=35406, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=673, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=39756, PETRI_PLACES=139, PETRI_TRANSITIONS=1208} [2021-04-29 05:53:46,481 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 83 predicate places. [2021-04-29 05:53:46,481 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:46,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 1208 transitions, 39756 flow [2021-04-29 05:53:46,481 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 1208 transitions, 39756 flow [2021-04-29 05:53:46,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 1208 transitions, 39756 flow [2021-04-29 05:53:48,386 INFO L129 PetriNetUnfolder]: 2433/4969 cut-off events. [2021-04-29 05:53:48,386 INFO L130 PetriNetUnfolder]: For 142376/144178 co-relation queries the response was YES. [2021-04-29 05:53:48,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59766 conditions, 4969 events. 2433/4969 cut-off events. For 142376/144178 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 42945 event pairs, 10 based on Foata normal form. 335/5303 useless extension candidates. Maximal degree in co-relation 59443. Up to 2018 conditions per place. [2021-04-29 05:53:48,457 INFO L146 LiptonReduction]: Number of co-enabled transitions 1420 [2021-04-29 05:53:48,873 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:48,873 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:48,873 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2392 [2021-04-29 05:53:48,874 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 1208 transitions, 39756 flow [2021-04-29 05:53:48,874 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) [2021-04-29 05:53:48,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:48,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:48,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 05:53:48,875 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:48,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:48,875 INFO L82 PathProgramCache]: Analyzing trace with hash 158276109, now seen corresponding path program 24 times [2021-04-29 05:53:48,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:48,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332852478] [2021-04-29 05:53:48,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:48,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:48,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:48,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332852478] [2021-04-29 05:53:48,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:48,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:53:48,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206196948] [2021-04-29 05:53:48,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:53:48,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:48,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:53:48,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:53:48,936 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:48,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 1208 transitions, 39756 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) [2021-04-29 05:53:48,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:48,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:48,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:53,462 INFO L129 PetriNetUnfolder]: 2807/5666 cut-off events. [2021-04-29 05:53:53,462 INFO L130 PetriNetUnfolder]: For 139229/140408 co-relation queries the response was YES. [2021-04-29 05:53:53,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72539 conditions, 5666 events. 2807/5666 cut-off events. For 139229/140408 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 49121 event pairs, 127 based on Foata normal form. 175/5838 useless extension candidates. Maximal degree in co-relation 72224. Up to 2030 conditions per place. [2021-04-29 05:53:53,526 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 293 selfloop transitions, 929 changer transitions 0/1233 dead transitions. [2021-04-29 05:53:53,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 1233 transitions, 42675 flow [2021-04-29 05:53:53,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:53:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:53:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 347 transitions. [2021-04-29 05:53:53,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5669934640522876 [2021-04-29 05:53:53,529 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 347 transitions. [2021-04-29 05:53:53,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 347 transitions. [2021-04-29 05:53:53,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:53,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 347 transitions. [2021-04-29 05:53:53,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.55555555555556) internal successors, (347), 9 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) [2021-04-29 05:53:53,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:53,532 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:53,532 INFO L185 Difference]: Start difference. First operand has 139 places, 1208 transitions, 39756 flow. Second operand 9 states and 347 transitions. [2021-04-29 05:53:53,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 1233 transitions, 42675 flow [2021-04-29 05:53:54,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 1233 transitions, 41819 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:53:54,430 INFO L241 Difference]: Finished difference. Result has 144 places, 1223 transitions, 41074 flow [2021-04-29 05:53:54,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=38900, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=914, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41074, PETRI_PLACES=144, PETRI_TRANSITIONS=1223} [2021-04-29 05:53:54,432 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 88 predicate places. [2021-04-29 05:53:54,432 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:54,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 1223 transitions, 41074 flow [2021-04-29 05:53:54,432 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 1223 transitions, 41074 flow [2021-04-29 05:53:54,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 1223 transitions, 41074 flow [2021-04-29 05:53:56,333 INFO L129 PetriNetUnfolder]: 2439/4990 cut-off events. [2021-04-29 05:53:56,333 INFO L130 PetriNetUnfolder]: For 138625/140186 co-relation queries the response was YES. [2021-04-29 05:53:56,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61347 conditions, 4990 events. 2439/4990 cut-off events. For 138625/140186 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 43229 event pairs, 13 based on Foata normal form. 305/5293 useless extension candidates. Maximal degree in co-relation 61019. Up to 2030 conditions per place. [2021-04-29 05:53:56,416 INFO L146 LiptonReduction]: Number of co-enabled transitions 1426 [2021-04-29 05:53:56,867 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:56,867 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:56,867 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2435 [2021-04-29 05:53:56,868 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 1223 transitions, 41074 flow [2021-04-29 05:53:56,868 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) [2021-04-29 05:53:56,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:56,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:53:56,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 05:53:56,869 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:56,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:56,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1562611435, now seen corresponding path program 25 times [2021-04-29 05:53:56,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:56,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841385116] [2021-04-29 05:53:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:56,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:56,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:56,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:56,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:56,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:56,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:56,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:56,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:56,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841385116] [2021-04-29 05:53:56,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:56,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:53:56,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538246291] [2021-04-29 05:53:56,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:53:56,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:56,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:53:56,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:53:56,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:53:56,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 1223 transitions, 41074 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) [2021-04-29 05:53:56,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:56,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:53:56,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:01,754 INFO L129 PetriNetUnfolder]: 2852/5862 cut-off events. [2021-04-29 05:54:01,754 INFO L130 PetriNetUnfolder]: For 151760/153328 co-relation queries the response was YES. [2021-04-29 05:54:01,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77254 conditions, 5862 events. 2852/5862 cut-off events. For 151760/153328 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 52012 event pairs, 166 based on Foata normal form. 346/6204 useless extension candidates. Maximal degree in co-relation 76926. Up to 3198 conditions per place. [2021-04-29 05:54:01,823 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 489 selfloop transitions, 842 changer transitions 15/1357 dead transitions. [2021-04-29 05:54:01,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 1357 transitions, 48248 flow [2021-04-29 05:54:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:54:01,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:54:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 307 transitions. [2021-04-29 05:54:01,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5643382352941176 [2021-04-29 05:54:01,825 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 307 transitions. [2021-04-29 05:54:01,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 307 transitions. [2021-04-29 05:54:01,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:01,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 307 transitions. [2021-04-29 05:54:01,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:01,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:01,826 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:01,826 INFO L185 Difference]: Start difference. First operand has 144 places, 1223 transitions, 41074 flow. Second operand 8 states and 307 transitions. [2021-04-29 05:54:01,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 1357 transitions, 48248 flow [2021-04-29 05:54:02,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 1357 transitions, 46672 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-29 05:54:02,822 INFO L241 Difference]: Finished difference. Result has 146 places, 1301 transitions, 44262 flow [2021-04-29 05:54:02,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=39675, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=753, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44262, PETRI_PLACES=146, PETRI_TRANSITIONS=1301} [2021-04-29 05:54:02,824 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 90 predicate places. [2021-04-29 05:54:02,824 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:02,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 1301 transitions, 44262 flow [2021-04-29 05:54:02,824 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 1301 transitions, 44262 flow [2021-04-29 05:54:02,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 1301 transitions, 44262 flow [2021-04-29 05:54:04,798 INFO L129 PetriNetUnfolder]: 2456/5100 cut-off events. [2021-04-29 05:54:04,799 INFO L130 PetriNetUnfolder]: For 158900/160834 co-relation queries the response was YES. [2021-04-29 05:54:04,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62566 conditions, 5100 events. 2456/5100 cut-off events. For 158900/160834 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 45040 event pairs, 13 based on Foata normal form. 330/5428 useless extension candidates. Maximal degree in co-relation 62243. Up to 2076 conditions per place. [2021-04-29 05:54:04,877 INFO L146 LiptonReduction]: Number of co-enabled transitions 1466 [2021-04-29 05:54:05,382 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:05,382 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:05,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2558 [2021-04-29 05:54:05,383 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 1301 transitions, 44262 flow [2021-04-29 05:54:05,383 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) [2021-04-29 05:54:05,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:05,383 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] [2021-04-29 05:54:05,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 05:54:05,384 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:05,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1911214003, now seen corresponding path program 26 times [2021-04-29 05:54:05,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:05,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345310912] [2021-04-29 05:54:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:05,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:05,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:05,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:05,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:05,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:05,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:05,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:05,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:05,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:05,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:05,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345310912] [2021-04-29 05:54:05,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:05,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:54:05,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382495998] [2021-04-29 05:54:05,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:54:05,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:05,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:54:05,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:54:05,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:54:05,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 1301 transitions, 44262 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) [2021-04-29 05:54:05,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:05,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:54:05,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:10,973 INFO L129 PetriNetUnfolder]: 2846/5951 cut-off events. [2021-04-29 05:54:10,973 INFO L130 PetriNetUnfolder]: For 159588/160181 co-relation queries the response was YES. [2021-04-29 05:54:11,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77943 conditions, 5951 events. 2846/5951 cut-off events. For 159588/160181 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 53829 event pairs, 166 based on Foata normal form. 247/6196 useless extension candidates. Maximal degree in co-relation 77614. Up to 3213 conditions per place. [2021-04-29 05:54:11,045 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 484 selfloop transitions, 901 changer transitions 13/1409 dead transitions. [2021-04-29 05:54:11,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 1409 transitions, 50588 flow [2021-04-29 05:54:11,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:54:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:54:11,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 307 transitions. [2021-04-29 05:54:11,047 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5643382352941176 [2021-04-29 05:54:11,047 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 307 transitions. [2021-04-29 05:54:11,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 307 transitions. [2021-04-29 05:54:11,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:11,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 307 transitions. [2021-04-29 05:54:11,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:11,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:11,048 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:11,048 INFO L185 Difference]: Start difference. First operand has 146 places, 1301 transitions, 44262 flow. Second operand 8 states and 307 transitions. [2021-04-29 05:54:11,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 1409 transitions, 50588 flow [2021-04-29 05:54:12,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 1409 transitions, 49648 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:54:12,106 INFO L241 Difference]: Finished difference. Result has 149 places, 1362 transitions, 47440 flow [2021-04-29 05:54:12,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=43239, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=825, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47440, PETRI_PLACES=149, PETRI_TRANSITIONS=1362} [2021-04-29 05:54:12,108 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 93 predicate places. [2021-04-29 05:54:12,108 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:12,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 1362 transitions, 47440 flow [2021-04-29 05:54:12,108 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 1362 transitions, 47440 flow [2021-04-29 05:54:12,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 1362 transitions, 47440 flow [2021-04-29 05:54:14,234 INFO L129 PetriNetUnfolder]: 2435/5143 cut-off events. [2021-04-29 05:54:14,234 INFO L130 PetriNetUnfolder]: For 163038/165597 co-relation queries the response was YES. [2021-04-29 05:54:14,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64485 conditions, 5143 events. 2435/5143 cut-off events. For 163038/165597 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 46288 event pairs, 14 based on Foata normal form. 356/5491 useless extension candidates. Maximal degree in co-relation 64177. Up to 2108 conditions per place. [2021-04-29 05:54:14,336 INFO L146 LiptonReduction]: Number of co-enabled transitions 1490 [2021-04-29 05:54:14,890 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:14,890 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:14,890 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2782 [2021-04-29 05:54:14,891 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 1362 transitions, 47440 flow [2021-04-29 05:54:14,891 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) [2021-04-29 05:54:14,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:14,891 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:54:14,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 05:54:14,891 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:14,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1638577211, now seen corresponding path program 27 times [2021-04-29 05:54:14,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:14,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741232741] [2021-04-29 05:54:14,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:14,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:14,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:14,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:54:14,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:14,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:54:14,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:14,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:14,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:14,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:14,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:14,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741232741] [2021-04-29 05:54:14,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:14,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:54:14,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645015894] [2021-04-29 05:54:14,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:54:14,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:14,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:54:14,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:54:14,966 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:54:14,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 1362 transitions, 47440 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) [2021-04-29 05:54:14,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:14,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:54:14,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:20,754 INFO L129 PetriNetUnfolder]: 2655/5715 cut-off events. [2021-04-29 05:54:20,754 INFO L130 PetriNetUnfolder]: For 149210/149811 co-relation queries the response was YES. [2021-04-29 05:54:20,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75916 conditions, 5715 events. 2655/5715 cut-off events. For 149210/149811 co-relation queries the response was YES. Maximal size of possible extension queue 816. Compared 52816 event pairs, 16 based on Foata normal form. 312/6025 useless extension candidates. Maximal degree in co-relation 75614. Up to 1966 conditions per place. [2021-04-29 05:54:20,811 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 144 selfloop transitions, 1304 changer transitions 17/1476 dead transitions. [2021-04-29 05:54:20,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 1476 transitions, 52745 flow [2021-04-29 05:54:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:54:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:54:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 345 transitions. [2021-04-29 05:54:20,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5637254901960784 [2021-04-29 05:54:20,813 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 345 transitions. [2021-04-29 05:54:20,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 345 transitions. [2021-04-29 05:54:20,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:20,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 345 transitions. [2021-04-29 05:54:20,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.333333333333336) internal successors, (345), 9 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:20,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:20,815 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:20,815 INFO L185 Difference]: Start difference. First operand has 149 places, 1362 transitions, 47440 flow. Second operand 9 states and 345 transitions. [2021-04-29 05:54:20,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 1476 transitions, 52745 flow [2021-04-29 05:54:21,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 1476 transitions, 51807 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:54:21,678 INFO L241 Difference]: Finished difference. Result has 155 places, 1423 transitions, 51218 flow [2021-04-29 05:54:21,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=44473, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=51218, PETRI_PLACES=155, PETRI_TRANSITIONS=1423} [2021-04-29 05:54:21,679 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 99 predicate places. [2021-04-29 05:54:21,679 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:21,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 155 places, 1423 transitions, 51218 flow [2021-04-29 05:54:21,680 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 155 places, 1423 transitions, 51218 flow [2021-04-29 05:54:21,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 1423 transitions, 51218 flow [2021-04-29 05:54:24,166 INFO L129 PetriNetUnfolder]: 2292/5039 cut-off events. [2021-04-29 05:54:24,167 INFO L130 PetriNetUnfolder]: For 151471/152870 co-relation queries the response was YES. [2021-04-29 05:54:24,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67580 conditions, 5039 events. 2292/5039 cut-off events. For 151471/152870 co-relation queries the response was YES. Maximal size of possible extension queue 724. Compared 46948 event pairs, 8 based on Foata normal form. 270/5306 useless extension candidates. Maximal degree in co-relation 67283. Up to 1946 conditions per place. [2021-04-29 05:54:24,255 INFO L146 LiptonReduction]: Number of co-enabled transitions 1476 [2021-04-29 05:54:24,872 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:24,873 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:24,873 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3194 [2021-04-29 05:54:24,874 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 1423 transitions, 51218 flow [2021-04-29 05:54:24,874 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) [2021-04-29 05:54:24,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:24,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:54:24,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 05:54:24,874 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash 58722855, now seen corresponding path program 28 times [2021-04-29 05:54:24,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:24,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090202461] [2021-04-29 05:54:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:24,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:24,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:24,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:54:24,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:24,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:54:24,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:24,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:24,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:24,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:24,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:24,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090202461] [2021-04-29 05:54:24,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:24,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:54:24,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779635144] [2021-04-29 05:54:24,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:54:24,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:24,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:54:24,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:54:24,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:54:24,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 1423 transitions, 51218 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) [2021-04-29 05:54:24,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:24,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:54:24,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:31,110 INFO L129 PetriNetUnfolder]: 2655/5791 cut-off events. [2021-04-29 05:54:31,111 INFO L130 PetriNetUnfolder]: For 169142/169743 co-relation queries the response was YES. [2021-04-29 05:54:31,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81527 conditions, 5791 events. 2655/5791 cut-off events. For 169142/169743 co-relation queries the response was YES. Maximal size of possible extension queue 836. Compared 54278 event pairs, 20 based on Foata normal form. 137/5926 useless extension candidates. Maximal degree in co-relation 81216. Up to 1989 conditions per place. [2021-04-29 05:54:31,174 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 157 selfloop transitions, 1340 changer transitions 10/1518 dead transitions. [2021-04-29 05:54:31,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 1518 transitions, 56134 flow [2021-04-29 05:54:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:54:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:54:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 348 transitions. [2021-04-29 05:54:31,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5686274509803921 [2021-04-29 05:54:31,176 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 348 transitions. [2021-04-29 05:54:31,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 348 transitions. [2021-04-29 05:54:31,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:31,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 348 transitions. [2021-04-29 05:54:31,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.666666666666664) internal successors, (348), 9 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:31,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:31,178 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:31,178 INFO L185 Difference]: Start difference. First operand has 155 places, 1423 transitions, 51218 flow. Second operand 9 states and 348 transitions. [2021-04-29 05:54:31,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 1518 transitions, 56134 flow [2021-04-29 05:54:32,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 1518 transitions, 54099 flow, removed 122 selfloop flow, removed 5 redundant places. [2021-04-29 05:54:32,303 INFO L241 Difference]: Finished difference. Result has 158 places, 1458 transitions, 52641 flow [2021-04-29 05:54:32,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=49260, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=52641, PETRI_PLACES=158, PETRI_TRANSITIONS=1458} [2021-04-29 05:54:32,304 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 102 predicate places. [2021-04-29 05:54:32,304 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:32,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 1458 transitions, 52641 flow [2021-04-29 05:54:32,305 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 1458 transitions, 52641 flow [2021-04-29 05:54:32,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 1458 transitions, 52641 flow [2021-04-29 05:54:34,920 INFO L129 PetriNetUnfolder]: 2298/5102 cut-off events. [2021-04-29 05:54:34,920 INFO L130 PetriNetUnfolder]: For 140788/142000 co-relation queries the response was YES. [2021-04-29 05:54:34,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68353 conditions, 5102 events. 2298/5102 cut-off events. For 140788/142000 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 48080 event pairs, 15 based on Foata normal form. 207/5302 useless extension candidates. Maximal degree in co-relation 68053. Up to 1806 conditions per place. [2021-04-29 05:54:35,009 INFO L146 LiptonReduction]: Number of co-enabled transitions 1494 [2021-04-29 05:54:35,659 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:35,660 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:35,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3356 [2021-04-29 05:54:35,661 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 1458 transitions, 52641 flow [2021-04-29 05:54:35,661 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) [2021-04-29 05:54:35,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:35,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:54:35,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 05:54:35,662 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:35,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:35,662 INFO L82 PathProgramCache]: Analyzing trace with hash 161052807, now seen corresponding path program 29 times [2021-04-29 05:54:35,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:35,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252919310] [2021-04-29 05:54:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:35,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:35,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:35,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:54:35,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:35,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:54:35,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:35,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:35,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:35,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:35,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:35,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:35,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252919310] [2021-04-29 05:54:35,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:35,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:54:35,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985597901] [2021-04-29 05:54:35,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:54:35,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:35,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:54:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:54:35,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:54:35,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 1458 transitions, 52641 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) [2021-04-29 05:54:35,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:35,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:54:35,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:41,231 INFO L129 PetriNetUnfolder]: 2607/5810 cut-off events. [2021-04-29 05:54:41,231 INFO L130 PetriNetUnfolder]: For 174409/175010 co-relation queries the response was YES. [2021-04-29 05:54:41,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81780 conditions, 5810 events. 2607/5810 cut-off events. For 174409/175010 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 55483 event pairs, 18 based on Foata normal form. 205/6013 useless extension candidates. Maximal degree in co-relation 81467. Up to 1993 conditions per place. [2021-04-29 05:54:41,299 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 161 selfloop transitions, 1378 changer transitions 20/1570 dead transitions. [2021-04-29 05:54:41,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 1570 transitions, 58081 flow [2021-04-29 05:54:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:54:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:54:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 349 transitions. [2021-04-29 05:54:41,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5702614379084967 [2021-04-29 05:54:41,300 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 349 transitions. [2021-04-29 05:54:41,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 349 transitions. [2021-04-29 05:54:41,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:41,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 349 transitions. [2021-04-29 05:54:41,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.77777777777778) internal successors, (349), 9 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:41,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:41,302 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:41,302 INFO L185 Difference]: Start difference. First operand has 158 places, 1458 transitions, 52641 flow. Second operand 9 states and 349 transitions. [2021-04-29 05:54:41,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 1570 transitions, 58081 flow [2021-04-29 05:54:42,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 1570 transitions, 57742 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:54:42,425 INFO L241 Difference]: Finished difference. Result has 163 places, 1493 transitions, 55773 flow [2021-04-29 05:54:42,426 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=52045, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1323, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=55773, PETRI_PLACES=163, PETRI_TRANSITIONS=1493} [2021-04-29 05:54:42,427 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 107 predicate places. [2021-04-29 05:54:42,427 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:42,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 1493 transitions, 55773 flow [2021-04-29 05:54:42,427 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 1493 transitions, 55773 flow [2021-04-29 05:54:42,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 1493 transitions, 55773 flow [2021-04-29 05:54:45,226 INFO L129 PetriNetUnfolder]: 2235/5095 cut-off events. [2021-04-29 05:54:45,226 INFO L130 PetriNetUnfolder]: For 149932/150666 co-relation queries the response was YES. [2021-04-29 05:54:45,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70881 conditions, 5095 events. 2235/5095 cut-off events. For 149932/150666 co-relation queries the response was YES. Maximal size of possible extension queue 765. Compared 49284 event pairs, 13 based on Foata normal form. 203/5295 useless extension candidates. Maximal degree in co-relation 70580. Up to 1801 conditions per place. [2021-04-29 05:54:45,305 INFO L146 LiptonReduction]: Number of co-enabled transitions 1526 [2021-04-29 05:54:45,901 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:45,902 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:45,902 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3475 [2021-04-29 05:54:45,903 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 1493 transitions, 55773 flow [2021-04-29 05:54:45,903 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) [2021-04-29 05:54:45,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:45,903 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:54:45,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 05:54:45,903 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:45,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:45,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2121035443, now seen corresponding path program 30 times [2021-04-29 05:54:45,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:45,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53943114] [2021-04-29 05:54:45,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:45,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:45,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:45,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:45,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:45,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:45,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:45,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:45,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:45,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:45,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53943114] [2021-04-29 05:54:45,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:45,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:54:45,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93042153] [2021-04-29 05:54:45,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:54:45,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:45,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:54:45,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:54:45,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:54:45,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 1493 transitions, 55773 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) [2021-04-29 05:54:45,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:45,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:54:45,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:53,365 INFO L129 PetriNetUnfolder]: 2584/5839 cut-off events. [2021-04-29 05:54:53,366 INFO L130 PetriNetUnfolder]: For 184615/185228 co-relation queries the response was YES. [2021-04-29 05:54:53,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85296 conditions, 5839 events. 2584/5839 cut-off events. For 184615/185228 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56395 event pairs, 151 based on Foata normal form. 168/6005 useless extension candidates. Maximal degree in co-relation 84982. Up to 2348 conditions per place. [2021-04-29 05:54:53,451 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 471 selfloop transitions, 1083 changer transitions 15/1580 dead transitions. [2021-04-29 05:54:53,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 1580 transitions, 61393 flow [2021-04-29 05:54:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:54:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:54:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 348 transitions. [2021-04-29 05:54:53,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5686274509803921 [2021-04-29 05:54:53,453 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 348 transitions. [2021-04-29 05:54:53,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 348 transitions. [2021-04-29 05:54:53,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:53,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 348 transitions. [2021-04-29 05:54:53,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.666666666666664) internal successors, (348), 9 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:53,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:53,456 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:53,456 INFO L185 Difference]: Start difference. First operand has 163 places, 1493 transitions, 55773 flow. Second operand 9 states and 348 transitions. [2021-04-29 05:54:53,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 1580 transitions, 61393 flow [2021-04-29 05:54:54,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 1580 transitions, 61027 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:54:54,898 INFO L241 Difference]: Finished difference. Result has 168 places, 1530 transitions, 58830 flow [2021-04-29 05:54:54,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=55246, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=58830, PETRI_PLACES=168, PETRI_TRANSITIONS=1530} [2021-04-29 05:54:54,899 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 112 predicate places. [2021-04-29 05:54:54,899 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:54,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 1530 transitions, 58830 flow [2021-04-29 05:54:54,900 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 1530 transitions, 58830 flow [2021-04-29 05:54:54,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 1530 transitions, 58830 flow [2021-04-29 05:54:57,745 INFO L129 PetriNetUnfolder]: 2214/5135 cut-off events. [2021-04-29 05:54:57,745 INFO L130 PetriNetUnfolder]: For 160976/162057 co-relation queries the response was YES. [2021-04-29 05:54:57,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72764 conditions, 5135 events. 2214/5135 cut-off events. For 160976/162057 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 50378 event pairs, 9 based on Foata normal form. 210/5340 useless extension candidates. Maximal degree in co-relation 72449. Up to 1830 conditions per place. [2021-04-29 05:54:57,831 INFO L146 LiptonReduction]: Number of co-enabled transitions 1572 [2021-04-29 05:54:58,550 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:58,550 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:58,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3652 [2021-04-29 05:54:58,551 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 1530 transitions, 58830 flow [2021-04-29 05:54:58,552 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) [2021-04-29 05:54:58,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:58,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:54:58,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 05:54:58,552 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:58,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:58,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1933093917, now seen corresponding path program 31 times [2021-04-29 05:54:58,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:58,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183697881] [2021-04-29 05:54:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:58,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:58,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:58,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:58,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:58,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:58,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:58,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:58,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:58,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:58,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183697881] [2021-04-29 05:54:58,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:58,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:54:58,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480244427] [2021-04-29 05:54:58,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:54:58,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:58,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:54:58,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:54:58,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:54:58,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 1530 transitions, 58830 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) [2021-04-29 05:54:58,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:58,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:54:58,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:55:05,907 INFO L129 PetriNetUnfolder]: 2590/5890 cut-off events. [2021-04-29 05:55:05,908 INFO L130 PetriNetUnfolder]: For 194114/194765 co-relation queries the response was YES. [2021-04-29 05:55:05,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87341 conditions, 5890 events. 2590/5890 cut-off events. For 194114/194765 co-relation queries the response was YES. Maximal size of possible extension queue 871. Compared 57279 event pairs, 149 based on Foata normal form. 132/6020 useless extension candidates. Maximal degree in co-relation 87018. Up to 2366 conditions per place. [2021-04-29 05:55:05,973 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 478 selfloop transitions, 1103 changer transitions 8/1600 dead transitions. [2021-04-29 05:55:05,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 1600 transitions, 63611 flow [2021-04-29 05:55:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 05:55:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 05:55:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 464 transitions. [2021-04-29 05:55:05,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5686274509803921 [2021-04-29 05:55:05,975 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 464 transitions. [2021-04-29 05:55:05,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 464 transitions. [2021-04-29 05:55:05,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:55:05,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 464 transitions. [2021-04-29 05:55:05,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 38.666666666666664) internal successors, (464), 12 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:05,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:05,979 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:05,979 INFO L185 Difference]: Start difference. First operand has 168 places, 1530 transitions, 58830 flow. Second operand 12 states and 464 transitions. [2021-04-29 05:55:05,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 1600 transitions, 63611 flow [2021-04-29 05:55:07,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 1600 transitions, 62945 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:55:07,157 INFO L241 Difference]: Finished difference. Result has 175 places, 1550 transitions, 60789 flow [2021-04-29 05:55:07,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=58225, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1076, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=60789, PETRI_PLACES=175, PETRI_TRANSITIONS=1550} [2021-04-29 05:55:07,159 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 119 predicate places. [2021-04-29 05:55:07,159 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:07,159 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 1550 transitions, 60789 flow [2021-04-29 05:55:07,160 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 1550 transitions, 60789 flow [2021-04-29 05:55:07,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 1550 transitions, 60789 flow [2021-04-29 05:55:10,385 INFO L129 PetriNetUnfolder]: 2222/5168 cut-off events. [2021-04-29 05:55:10,385 INFO L130 PetriNetUnfolder]: For 165448/165866 co-relation queries the response was YES. [2021-04-29 05:55:10,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74100 conditions, 5168 events. 2222/5168 cut-off events. For 165448/165866 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 50858 event pairs, 7 based on Foata normal form. 193/5360 useless extension candidates. Maximal degree in co-relation 73793. Up to 1847 conditions per place. [2021-04-29 05:55:10,477 INFO L146 LiptonReduction]: Number of co-enabled transitions 1590 [2021-04-29 05:55:11,203 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:11,203 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:11,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4044 [2021-04-29 05:55:11,204 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 1550 transitions, 60789 flow [2021-04-29 05:55:11,204 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) [2021-04-29 05:55:11,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:11,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:55:11,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-29 05:55:11,205 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:11,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:11,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1945741439, now seen corresponding path program 32 times [2021-04-29 05:55:11,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:11,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799694837] [2021-04-29 05:55:11,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:11,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:11,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:11,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:11,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:11,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:11,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:11,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:11,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:11,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:11,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:11,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:11,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799694837] [2021-04-29 05:55:11,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:11,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:55:11,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184392562] [2021-04-29 05:55:11,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:55:11,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:11,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:55:11,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:55:11,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:55:11,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 1550 transitions, 60789 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) [2021-04-29 05:55:11,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:11,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:55:11,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:55:16,811 INFO L129 PetriNetUnfolder]: 2600/5948 cut-off events. [2021-04-29 05:55:16,811 INFO L130 PetriNetUnfolder]: For 198361/199022 co-relation queries the response was YES. [2021-04-29 05:55:16,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89491 conditions, 5948 events. 2600/5948 cut-off events. For 198361/199022 co-relation queries the response was YES. Maximal size of possible extension queue 888. Compared 58231 event pairs, 6 based on Foata normal form. 166/6112 useless extension candidates. Maximal degree in co-relation 89170. Up to 2086 conditions per place. [2021-04-29 05:55:16,880 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 66 selfloop transitions, 1449 changer transitions 110/1636 dead transitions. [2021-04-29 05:55:16,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 1636 transitions, 66592 flow [2021-04-29 05:55:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:55:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:55:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 385 transitions. [2021-04-29 05:55:16,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5661764705882353 [2021-04-29 05:55:16,882 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 385 transitions. [2021-04-29 05:55:16,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 385 transitions. [2021-04-29 05:55:16,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:55:16,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 385 transitions. [2021-04-29 05:55:16,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 38.5) internal successors, (385), 10 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:16,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:16,885 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:16,885 INFO L185 Difference]: Start difference. First operand has 175 places, 1550 transitions, 60789 flow. Second operand 10 states and 385 transitions. [2021-04-29 05:55:16,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 1636 transitions, 66592 flow [2021-04-29 05:55:18,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 1636 transitions, 64026 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-04-29 05:55:18,284 INFO L241 Difference]: Finished difference. Result has 178 places, 1491 transitions, 59357 flow [2021-04-29 05:55:18,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=58279, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1420, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=59357, PETRI_PLACES=178, PETRI_TRANSITIONS=1491} [2021-04-29 05:55:18,286 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 122 predicate places. [2021-04-29 05:55:18,286 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:18,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 1491 transitions, 59357 flow [2021-04-29 05:55:18,286 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 1491 transitions, 59357 flow [2021-04-29 05:55:18,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 1491 transitions, 59357 flow [2021-04-29 05:55:20,827 INFO L129 PetriNetUnfolder]: 2106/5053 cut-off events. [2021-04-29 05:55:20,827 INFO L130 PetriNetUnfolder]: For 192757/194738 co-relation queries the response was YES. [2021-04-29 05:55:20,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74526 conditions, 5053 events. 2106/5053 cut-off events. For 192757/194738 co-relation queries the response was YES. Maximal size of possible extension queue 781. Compared 50546 event pairs, 12 based on Foata normal form. 262/5309 useless extension candidates. Maximal degree in co-relation 74213. Up to 1840 conditions per place. [2021-04-29 05:55:20,914 INFO L146 LiptonReduction]: Number of co-enabled transitions 1590 [2021-04-29 05:55:21,536 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:21,537 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:21,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3251 [2021-04-29 05:55:21,538 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 1491 transitions, 59357 flow [2021-04-29 05:55:21,538 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) [2021-04-29 05:55:21,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:21,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:55:21,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-29 05:55:21,538 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:21,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1422600749, now seen corresponding path program 33 times [2021-04-29 05:55:21,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:21,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700417161] [2021-04-29 05:55:21,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:21,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:21,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:21,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:21,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:21,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:21,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:21,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:21,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:21,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700417161] [2021-04-29 05:55:21,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:21,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:55:21,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222396186] [2021-04-29 05:55:21,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:55:21,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:21,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:55:21,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:55:21,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:55:21,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 1491 transitions, 59357 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) [2021-04-29 05:55:21,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:21,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:55:21,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:55:29,016 INFO L129 PetriNetUnfolder]: 2502/5843 cut-off events. [2021-04-29 05:55:29,016 INFO L130 PetriNetUnfolder]: For 209282/209967 co-relation queries the response was YES. [2021-04-29 05:55:29,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90575 conditions, 5843 events. 2502/5843 cut-off events. For 209282/209967 co-relation queries the response was YES. Maximal size of possible extension queue 897. Compared 58155 event pairs, 7 based on Foata normal form. 166/6006 useless extension candidates. Maximal degree in co-relation 90268. Up to 2066 conditions per place. [2021-04-29 05:55:29,083 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 70 selfloop transitions, 1403 changer transitions 112/1596 dead transitions. [2021-04-29 05:55:29,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 1596 transitions, 65017 flow [2021-04-29 05:55:29,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:55:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:55:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 499 transitions. [2021-04-29 05:55:29,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5644796380090498 [2021-04-29 05:55:29,086 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 499 transitions. [2021-04-29 05:55:29,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 499 transitions. [2021-04-29 05:55:29,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:55:29,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 499 transitions. [2021-04-29 05:55:29,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.38461538461539) internal successors, (499), 13 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:29,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:29,089 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:29,089 INFO L185 Difference]: Start difference. First operand has 178 places, 1491 transitions, 59357 flow. Second operand 13 states and 499 transitions. [2021-04-29 05:55:29,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 1596 transitions, 65017 flow [2021-04-29 05:55:30,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 1596 transitions, 63850 flow, removed 37 selfloop flow, removed 6 redundant places. [2021-04-29 05:55:30,459 INFO L241 Difference]: Finished difference. Result has 186 places, 1445 transitions, 58805 flow [2021-04-29 05:55:30,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=58289, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=58805, PETRI_PLACES=186, PETRI_TRANSITIONS=1445} [2021-04-29 05:55:30,460 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 130 predicate places. [2021-04-29 05:55:30,460 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:30,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 1445 transitions, 58805 flow [2021-04-29 05:55:30,461 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 1445 transitions, 58805 flow [2021-04-29 05:55:30,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 186 places, 1445 transitions, 58805 flow [2021-04-29 05:55:33,149 INFO L129 PetriNetUnfolder]: 2028/4910 cut-off events. [2021-04-29 05:55:33,149 INFO L130 PetriNetUnfolder]: For 160339/161531 co-relation queries the response was YES. [2021-04-29 05:55:33,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74421 conditions, 4910 events. 2028/4910 cut-off events. For 160339/161531 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 49174 event pairs, 12 based on Foata normal form. 215/5118 useless extension candidates. Maximal degree in co-relation 74111. Up to 1824 conditions per place. [2021-04-29 05:55:33,236 INFO L146 LiptonReduction]: Number of co-enabled transitions 1588 [2021-04-29 05:55:33,963 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:33,963 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:33,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3503 [2021-04-29 05:55:33,964 INFO L480 AbstractCegarLoop]: Abstraction has has 186 places, 1445 transitions, 58805 flow [2021-04-29 05:55:33,964 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) [2021-04-29 05:55:33,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:33,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:55:33,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-29 05:55:33,964 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:33,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:33,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1844876087, now seen corresponding path program 34 times [2021-04-29 05:55:33,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:33,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184355031] [2021-04-29 05:55:33,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:33,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:33,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:33,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:33,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:33,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:33,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:33,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:33,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:33,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:33,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:34,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:34,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:34,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184355031] [2021-04-29 05:55:34,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:34,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:55:34,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015138883] [2021-04-29 05:55:34,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:55:34,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:34,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:55:34,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:55:34,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:55:34,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 1445 transitions, 58805 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) [2021-04-29 05:55:34,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:34,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:55:34,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:55:39,610 INFO L129 PetriNetUnfolder]: 2293/5481 cut-off events. [2021-04-29 05:55:39,610 INFO L130 PetriNetUnfolder]: For 227269/228264 co-relation queries the response was YES. [2021-04-29 05:55:39,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87650 conditions, 5481 events. 2293/5481 cut-off events. For 227269/228264 co-relation queries the response was YES. Maximal size of possible extension queue 817. Compared 54924 event pairs, 166 based on Foata normal form. 211/5690 useless extension candidates. Maximal degree in co-relation 87336. Up to 1963 conditions per place. [2021-04-29 05:55:39,673 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 376 selfloop transitions, 1104 changer transitions 10/1501 dead transitions. [2021-04-29 05:55:39,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 1501 transitions, 63163 flow [2021-04-29 05:55:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:55:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:55:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-04-29 05:55:39,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:55:39,675 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-04-29 05:55:39,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-04-29 05:55:39,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:55:39,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-04-29 05:55:39,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 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) [2021-04-29 05:55:39,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:39,677 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:39,677 INFO L185 Difference]: Start difference. First operand has 186 places, 1445 transitions, 58805 flow. Second operand 6 states and 228 transitions. [2021-04-29 05:55:39,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 1501 transitions, 63163 flow [2021-04-29 05:55:41,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 1501 transitions, 61927 flow, removed 24 selfloop flow, removed 7 redundant places. [2021-04-29 05:55:41,144 INFO L241 Difference]: Finished difference. Result has 185 places, 1458 transitions, 60834 flow [2021-04-29 05:55:41,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=57543, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1085, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=60834, PETRI_PLACES=185, PETRI_TRANSITIONS=1458} [2021-04-29 05:55:41,146 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 129 predicate places. [2021-04-29 05:55:41,146 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:41,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 1458 transitions, 60834 flow [2021-04-29 05:55:41,146 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 1458 transitions, 60834 flow [2021-04-29 05:55:41,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 185 places, 1458 transitions, 60834 flow [2021-04-29 05:55:43,897 INFO L129 PetriNetUnfolder]: 1927/4751 cut-off events. [2021-04-29 05:55:43,897 INFO L130 PetriNetUnfolder]: For 166288/167002 co-relation queries the response was YES. [2021-04-29 05:55:43,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74583 conditions, 4751 events. 1927/4751 cut-off events. For 166288/167002 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 47944 event pairs, 11 based on Foata normal form. 197/4944 useless extension candidates. Maximal degree in co-relation 74305. Up to 1772 conditions per place. [2021-04-29 05:55:44,121 INFO L146 LiptonReduction]: Number of co-enabled transitions 1558 [2021-04-29 05:55:44,761 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:44,762 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:44,762 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3616 [2021-04-29 05:55:44,762 INFO L480 AbstractCegarLoop]: Abstraction has has 185 places, 1458 transitions, 60834 flow [2021-04-29 05:55:44,763 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) [2021-04-29 05:55:44,763 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:44,763 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:55:44,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-29 05:55:44,763 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:44,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:44,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1646018727, now seen corresponding path program 35 times [2021-04-29 05:55:44,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:44,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088192042] [2021-04-29 05:55:44,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:44,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:44,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:44,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:44,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:44,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:44,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:44,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:44,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:44,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:44,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:44,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088192042] [2021-04-29 05:55:44,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:44,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:55:44,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326096792] [2021-04-29 05:55:44,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:55:44,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:44,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:55:44,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:55:44,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:55:44,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 1458 transitions, 60834 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) [2021-04-29 05:55:44,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:44,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:55:44,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:55:51,969 INFO L129 PetriNetUnfolder]: 2249/5505 cut-off events. [2021-04-29 05:55:51,969 INFO L130 PetriNetUnfolder]: For 212559/213184 co-relation queries the response was YES. [2021-04-29 05:55:52,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89673 conditions, 5505 events. 2249/5505 cut-off events. For 212559/213184 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 55879 event pairs, 6 based on Foata normal form. 178/5681 useless extension candidates. Maximal degree in co-relation 89348. Up to 1976 conditions per place. [2021-04-29 05:55:52,037 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 58 selfloop transitions, 1427 changer transitions 43/1539 dead transitions. [2021-04-29 05:55:52,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 1539 transitions, 66283 flow [2021-04-29 05:55:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:55:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:55:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 388 transitions. [2021-04-29 05:55:52,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5705882352941176 [2021-04-29 05:55:52,038 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 388 transitions. [2021-04-29 05:55:52,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 388 transitions. [2021-04-29 05:55:52,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:55:52,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 388 transitions. [2021-04-29 05:55:52,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 38.8) internal successors, (388), 10 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:52,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:52,040 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:52,040 INFO L185 Difference]: Start difference. First operand has 185 places, 1458 transitions, 60834 flow. Second operand 10 states and 388 transitions. [2021-04-29 05:55:52,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 1539 transitions, 66283 flow [2021-04-29 05:55:53,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 1539 transitions, 63247 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-04-29 05:55:53,772 INFO L241 Difference]: Finished difference. Result has 189 places, 1468 transitions, 60482 flow [2021-04-29 05:55:53,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=57556, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=60482, PETRI_PLACES=189, PETRI_TRANSITIONS=1468} [2021-04-29 05:55:53,773 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 133 predicate places. [2021-04-29 05:55:53,773 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:53,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 1468 transitions, 60482 flow [2021-04-29 05:55:53,774 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 1468 transitions, 60482 flow [2021-04-29 05:55:53,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 1468 transitions, 60482 flow [2021-04-29 05:55:56,090 INFO L129 PetriNetUnfolder]: 1854/4705 cut-off events. [2021-04-29 05:55:56,091 INFO L130 PetriNetUnfolder]: For 157956/158418 co-relation queries the response was YES. [2021-04-29 05:55:56,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72932 conditions, 4705 events. 1854/4705 cut-off events. For 157956/158418 co-relation queries the response was YES. Maximal size of possible extension queue 707. Compared 48364 event pairs, 6 based on Foata normal form. 201/4904 useless extension candidates. Maximal degree in co-relation 72641. Up to 1764 conditions per place. [2021-04-29 05:55:56,218 INFO L146 LiptonReduction]: Number of co-enabled transitions 1586 [2021-04-29 05:55:56,937 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:56,937 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:56,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3164 [2021-04-29 05:55:56,938 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 1468 transitions, 60482 flow [2021-04-29 05:55:56,938 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) [2021-04-29 05:55:56,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:56,938 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:55:56,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-29 05:55:56,938 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:56,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:56,939 INFO L82 PathProgramCache]: Analyzing trace with hash -280787733, now seen corresponding path program 36 times [2021-04-29 05:55:56,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:56,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201931341] [2021-04-29 05:55:56,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:56,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:56,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:56,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:56,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:56,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:56,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:56,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:56,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:56,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201931341] [2021-04-29 05:55:56,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:56,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:55:56,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154163199] [2021-04-29 05:55:56,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:55:56,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:56,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:55:56,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:55:56,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:55:56,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 1468 transitions, 60482 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) [2021-04-29 05:55:56,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:56,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:55:56,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:03,359 INFO L129 PetriNetUnfolder]: 2156/5348 cut-off events. [2021-04-29 05:56:03,359 INFO L130 PetriNetUnfolder]: For 204854/205432 co-relation queries the response was YES. [2021-04-29 05:56:03,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86903 conditions, 5348 events. 2156/5348 cut-off events. For 204854/205432 co-relation queries the response was YES. Maximal size of possible extension queue 805. Compared 54668 event pairs, 11 based on Foata normal form. 147/5492 useless extension candidates. Maximal degree in co-relation 86596. Up to 1913 conditions per place. [2021-04-29 05:56:03,416 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 145 selfloop transitions, 1326 changer transitions 24/1506 dead transitions. [2021-04-29 05:56:03,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 1506 transitions, 64406 flow [2021-04-29 05:56:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 05:56:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 05:56:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2021-04-29 05:56:03,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5651260504201681 [2021-04-29 05:56:03,420 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 269 transitions. [2021-04-29 05:56:03,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 269 transitions. [2021-04-29 05:56:03,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:03,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 269 transitions. [2021-04-29 05:56:03,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.42857142857143) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:03,422 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) [2021-04-29 05:56:03,422 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) [2021-04-29 05:56:03,422 INFO L185 Difference]: Start difference. First operand has 189 places, 1468 transitions, 60482 flow. Second operand 7 states and 269 transitions. [2021-04-29 05:56:03,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 1506 transitions, 64406 flow [2021-04-29 05:56:04,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 1506 transitions, 63707 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:56:04,747 INFO L241 Difference]: Finished difference. Result has 191 places, 1450 transitions, 61861 flow [2021-04-29 05:56:04,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=59575, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=61861, PETRI_PLACES=191, PETRI_TRANSITIONS=1450} [2021-04-29 05:56:04,748 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 135 predicate places. [2021-04-29 05:56:04,748 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:56:04,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 1450 transitions, 61861 flow [2021-04-29 05:56:04,749 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 1450 transitions, 61861 flow [2021-04-29 05:56:04,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 191 places, 1450 transitions, 61861 flow [2021-04-29 05:56:08,060 INFO L129 PetriNetUnfolder]: 1743/4583 cut-off events. [2021-04-29 05:56:08,061 INFO L130 PetriNetUnfolder]: For 166408/167050 co-relation queries the response was YES. [2021-04-29 05:56:08,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72662 conditions, 4583 events. 1743/4583 cut-off events. For 166408/167050 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 47828 event pairs, 6 based on Foata normal form. 165/4745 useless extension candidates. Maximal degree in co-relation 72361. Up to 1674 conditions per place. [2021-04-29 05:56:08,146 INFO L146 LiptonReduction]: Number of co-enabled transitions 1544 [2021-04-29 05:56:08,945 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:56:08,945 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:56:08,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4198 [2021-04-29 05:56:08,946 INFO L480 AbstractCegarLoop]: Abstraction has has 191 places, 1450 transitions, 61861 flow [2021-04-29 05:56:08,946 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) [2021-04-29 05:56:08,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:56:08,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:56:08,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-04-29 05:56:08,947 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:56:08,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:56:08,947 INFO L82 PathProgramCache]: Analyzing trace with hash 907543821, now seen corresponding path program 37 times [2021-04-29 05:56:08,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:56:08,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561955157] [2021-04-29 05:56:08,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:56:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:56:08,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:56:08,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:08,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:08,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:08,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:08,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:08,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:08,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:08,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:09,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:09,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:09,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:09,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:56:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:56:09,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561955157] [2021-04-29 05:56:09,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:56:09,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:56:09,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778215074] [2021-04-29 05:56:09,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:56:09,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:56:09,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:56:09,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:56:09,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:56:09,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 1450 transitions, 61861 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) [2021-04-29 05:56:09,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:56:09,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:56:09,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:14,810 INFO L129 PetriNetUnfolder]: 2082/5296 cut-off events. [2021-04-29 05:56:14,810 INFO L130 PetriNetUnfolder]: For 213805/214364 co-relation queries the response was YES. [2021-04-29 05:56:14,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87795 conditions, 5296 events. 2082/5296 cut-off events. For 213805/214364 co-relation queries the response was YES. Maximal size of possible extension queue 811. Compared 54853 event pairs, 158 based on Foata normal form. 136/5429 useless extension candidates. Maximal degree in co-relation 87488. Up to 2122 conditions per place. [2021-04-29 05:56:14,872 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 441 selfloop transitions, 1025 changer transitions 36/1513 dead transitions. [2021-04-29 05:56:14,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 1513 transitions, 66486 flow [2021-04-29 05:56:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 05:56:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 05:56:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 464 transitions. [2021-04-29 05:56:14,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5686274509803921 [2021-04-29 05:56:14,874 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 464 transitions. [2021-04-29 05:56:14,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 464 transitions. [2021-04-29 05:56:14,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:14,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 464 transitions. [2021-04-29 05:56:14,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 38.666666666666664) internal successors, (464), 12 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:14,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:14,876 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:14,876 INFO L185 Difference]: Start difference. First operand has 191 places, 1450 transitions, 61861 flow. Second operand 12 states and 464 transitions. [2021-04-29 05:56:14,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 1513 transitions, 66486 flow [2021-04-29 05:56:16,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 1513 transitions, 64677 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:56:16,446 INFO L241 Difference]: Finished difference. Result has 198 places, 1449 transitions, 61125 flow [2021-04-29 05:56:16,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=60122, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=990, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=61125, PETRI_PLACES=198, PETRI_TRANSITIONS=1449} [2021-04-29 05:56:16,447 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 142 predicate places. [2021-04-29 05:56:16,447 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:56:16,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 1449 transitions, 61125 flow [2021-04-29 05:56:16,448 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 1449 transitions, 61125 flow [2021-04-29 05:56:16,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 198 places, 1449 transitions, 61125 flow [2021-04-29 05:56:19,076 INFO L129 PetriNetUnfolder]: 1673/4422 cut-off events. [2021-04-29 05:56:19,077 INFO L130 PetriNetUnfolder]: For 161464/162249 co-relation queries the response was YES. [2021-04-29 05:56:19,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68981 conditions, 4422 events. 1673/4422 cut-off events. For 161464/162249 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 45885 event pairs, 7 based on Foata normal form. 173/4590 useless extension candidates. Maximal degree in co-relation 68686. Up to 1606 conditions per place. [2021-04-29 05:56:19,147 INFO L146 LiptonReduction]: Number of co-enabled transitions 1470 [2021-04-29 05:56:19,749 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:56:19,749 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:56:19,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3302 [2021-04-29 05:56:19,750 INFO L480 AbstractCegarLoop]: Abstraction has has 198 places, 1449 transitions, 61125 flow [2021-04-29 05:56:19,750 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) [2021-04-29 05:56:19,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:56:19,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:56:19,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-04-29 05:56:19,751 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:56:19,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:56:19,751 INFO L82 PathProgramCache]: Analyzing trace with hash 164656821, now seen corresponding path program 38 times [2021-04-29 05:56:19,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:56:19,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149361663] [2021-04-29 05:56:19,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:56:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:56:19,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:56:19,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:19,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:19,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:56:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:56:19,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149361663] [2021-04-29 05:56:19,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:56:19,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:56:19,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501313294] [2021-04-29 05:56:19,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:56:19,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:56:19,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:56:19,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:56:19,814 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:56:19,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 1449 transitions, 61125 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) [2021-04-29 05:56:19,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:56:19,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:56:19,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:26,499 INFO L129 PetriNetUnfolder]: 2009/5098 cut-off events. [2021-04-29 05:56:26,499 INFO L130 PetriNetUnfolder]: For 204328/204858 co-relation queries the response was YES. [2021-04-29 05:56:26,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83353 conditions, 5098 events. 2009/5098 cut-off events. For 204328/204858 co-relation queries the response was YES. Maximal size of possible extension queue 776. Compared 52190 event pairs, 152 based on Foata normal form. 106/5201 useless extension candidates. Maximal degree in co-relation 83043. Up to 1875 conditions per place. [2021-04-29 05:56:26,560 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 380 selfloop transitions, 1073 changer transitions 6/1470 dead transitions. [2021-04-29 05:56:26,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 1470 transitions, 64460 flow [2021-04-29 05:56:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:56:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:56:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 380 transitions. [2021-04-29 05:56:26,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:56:26,561 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 380 transitions. [2021-04-29 05:56:26,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 380 transitions. [2021-04-29 05:56:26,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:26,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 380 transitions. [2021-04-29 05:56:26,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 38.0) internal successors, (380), 10 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) [2021-04-29 05:56:26,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:26,563 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:26,563 INFO L185 Difference]: Start difference. First operand has 198 places, 1449 transitions, 61125 flow. Second operand 10 states and 380 transitions. [2021-04-29 05:56:26,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 1470 transitions, 64460 flow [2021-04-29 05:56:27,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 1470 transitions, 62804 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-04-29 05:56:27,958 INFO L241 Difference]: Finished difference. Result has 201 places, 1460 transitions, 61879 flow [2021-04-29 05:56:27,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=59473, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1061, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=61879, PETRI_PLACES=201, PETRI_TRANSITIONS=1460} [2021-04-29 05:56:27,959 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 145 predicate places. [2021-04-29 05:56:27,959 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:56:27,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 1460 transitions, 61879 flow [2021-04-29 05:56:27,960 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 1460 transitions, 61879 flow [2021-04-29 05:56:27,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 1460 transitions, 61879 flow [2021-04-29 05:56:30,109 INFO L129 PetriNetUnfolder]: 1669/4443 cut-off events. [2021-04-29 05:56:30,109 INFO L130 PetriNetUnfolder]: For 189681/191298 co-relation queries the response was YES. [2021-04-29 05:56:30,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70291 conditions, 4443 events. 1669/4443 cut-off events. For 189681/191298 co-relation queries the response was YES. Maximal size of possible extension queue 695. Compared 46282 event pairs, 6 based on Foata normal form. 227/4664 useless extension candidates. Maximal degree in co-relation 69972. Up to 1606 conditions per place. [2021-04-29 05:56:30,191 INFO L146 LiptonReduction]: Number of co-enabled transitions 1470 [2021-04-29 05:56:30,769 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:56:30,769 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:56:30,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2810 [2021-04-29 05:56:30,770 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 1460 transitions, 61879 flow [2021-04-29 05:56:30,770 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) [2021-04-29 05:56:30,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:56:30,770 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:56:30,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-04-29 05:56:30,770 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:56:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:56:30,771 INFO L82 PathProgramCache]: Analyzing trace with hash 651048097, now seen corresponding path program 39 times [2021-04-29 05:56:30,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:56:30,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146620461] [2021-04-29 05:56:30,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:56:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:56:30,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:56:30,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:30,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:56:30,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:30,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:30,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:30,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:30,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:30,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:30,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:56:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:56:30,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146620461] [2021-04-29 05:56:30,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:56:30,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:56:30,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736059449] [2021-04-29 05:56:30,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:56:30,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:56:30,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:56:30,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:56:30,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:56:30,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 1460 transitions, 61879 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) [2021-04-29 05:56:30,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:56:30,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:56:30,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:37,257 INFO L129 PetriNetUnfolder]: 2000/5100 cut-off events. [2021-04-29 05:56:37,258 INFO L130 PetriNetUnfolder]: For 205257/205791 co-relation queries the response was YES. [2021-04-29 05:56:37,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85009 conditions, 5100 events. 2000/5100 cut-off events. For 205257/205791 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 52382 event pairs, 6 based on Foata normal form. 90/5187 useless extension candidates. Maximal degree in co-relation 84693. Up to 1785 conditions per place. [2021-04-29 05:56:37,313 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 65 selfloop transitions, 1418 changer transitions 10/1504 dead transitions. [2021-04-29 05:56:37,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 1504 transitions, 65879 flow [2021-04-29 05:56:37,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:56:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:56:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 348 transitions. [2021-04-29 05:56:37,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5686274509803921 [2021-04-29 05:56:37,314 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 348 transitions. [2021-04-29 05:56:37,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 348 transitions. [2021-04-29 05:56:37,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:37,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 348 transitions. [2021-04-29 05:56:37,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.666666666666664) internal successors, (348), 9 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:37,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:37,316 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:37,316 INFO L185 Difference]: Start difference. First operand has 201 places, 1460 transitions, 61879 flow. Second operand 9 states and 348 transitions. [2021-04-29 05:56:37,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 1504 transitions, 65879 flow [2021-04-29 05:56:38,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 1504 transitions, 64976 flow, removed 22 selfloop flow, removed 5 redundant places. [2021-04-29 05:56:38,573 INFO L241 Difference]: Finished difference. Result has 204 places, 1466 transitions, 63763 flow [2021-04-29 05:56:38,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=60988, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1404, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=63763, PETRI_PLACES=204, PETRI_TRANSITIONS=1466} [2021-04-29 05:56:38,575 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 148 predicate places. [2021-04-29 05:56:38,575 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:56:38,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 1466 transitions, 63763 flow [2021-04-29 05:56:38,576 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 1466 transitions, 63763 flow [2021-04-29 05:56:38,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 1466 transitions, 63763 flow [2021-04-29 05:56:41,153 INFO L129 PetriNetUnfolder]: 1644/4365 cut-off events. [2021-04-29 05:56:41,153 INFO L130 PetriNetUnfolder]: For 165178/166207 co-relation queries the response was YES. [2021-04-29 05:56:41,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70699 conditions, 4365 events. 1644/4365 cut-off events. For 165178/166207 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 45327 event pairs, 6 based on Foata normal form. 171/4528 useless extension candidates. Maximal degree in co-relation 70398. Up to 1579 conditions per place. [2021-04-29 05:56:41,233 INFO L146 LiptonReduction]: Number of co-enabled transitions 1502 [2021-04-29 05:56:41,995 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:56:41,995 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:56:41,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3420 [2021-04-29 05:56:41,996 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 1466 transitions, 63763 flow [2021-04-29 05:56:41,996 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) [2021-04-29 05:56:41,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:56:41,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:56:41,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-04-29 05:56:41,996 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:56:41,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:56:41,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1104244687, now seen corresponding path program 40 times [2021-04-29 05:56:41,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:56:41,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998647117] [2021-04-29 05:56:41,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:56:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:56:42,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:56:42,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:42,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:42,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:56:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:56:42,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998647117] [2021-04-29 05:56:42,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:56:42,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:56:42,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857248598] [2021-04-29 05:56:42,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:56:42,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:56:42,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:56:42,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:56:42,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:56:42,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 1466 transitions, 63763 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) [2021-04-29 05:56:42,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:56:42,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:56:42,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:48,219 INFO L129 PetriNetUnfolder]: 1975/5044 cut-off events. [2021-04-29 05:56:48,219 INFO L130 PetriNetUnfolder]: For 210521/211072 co-relation queries the response was YES. [2021-04-29 05:56:48,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85297 conditions, 5044 events. 1975/5044 cut-off events. For 210521/211072 co-relation queries the response was YES. Maximal size of possible extension queue 763. Compared 51701 event pairs, 151 based on Foata normal form. 91/5132 useless extension candidates. Maximal degree in co-relation 84977. Up to 1865 conditions per place. [2021-04-29 05:56:48,276 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 408 selfloop transitions, 1062 changer transitions 26/1507 dead transitions. [2021-04-29 05:56:48,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 1507 transitions, 67656 flow [2021-04-29 05:56:48,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:56:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:56:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 501 transitions. [2021-04-29 05:56:48,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5667420814479638 [2021-04-29 05:56:48,277 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 501 transitions. [2021-04-29 05:56:48,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 501 transitions. [2021-04-29 05:56:48,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:48,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 501 transitions. [2021-04-29 05:56:48,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.53846153846154) internal successors, (501), 13 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:48,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:48,279 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:48,280 INFO L185 Difference]: Start difference. First operand has 204 places, 1466 transitions, 63763 flow. Second operand 13 states and 501 transitions. [2021-04-29 05:56:48,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 1507 transitions, 67656 flow [2021-04-29 05:56:49,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 1507 transitions, 66893 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-04-29 05:56:49,625 INFO L241 Difference]: Finished difference. Result has 212 places, 1459 transitions, 64207 flow [2021-04-29 05:56:49,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=62998, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=64207, PETRI_PLACES=212, PETRI_TRANSITIONS=1459} [2021-04-29 05:56:49,627 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 156 predicate places. [2021-04-29 05:56:49,627 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:56:49,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 1459 transitions, 64207 flow [2021-04-29 05:56:49,628 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 1459 transitions, 64207 flow [2021-04-29 05:56:49,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 1459 transitions, 64207 flow [2021-04-29 05:56:52,258 INFO L129 PetriNetUnfolder]: 1620/4323 cut-off events. [2021-04-29 05:56:52,259 INFO L130 PetriNetUnfolder]: For 172024/172910 co-relation queries the response was YES. [2021-04-29 05:56:52,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70579 conditions, 4323 events. 1620/4323 cut-off events. For 172024/172910 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 45187 event pairs, 6 based on Foata normal form. 181/4498 useless extension candidates. Maximal degree in co-relation 70281. Up to 1559 conditions per place. [2021-04-29 05:56:52,338 INFO L146 LiptonReduction]: Number of co-enabled transitions 1494 [2021-04-29 05:56:53,147 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:56:53,148 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:56:53,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3521 [2021-04-29 05:56:53,148 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 1459 transitions, 64207 flow [2021-04-29 05:56:53,149 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) [2021-04-29 05:56:53,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:56:53,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:56:53,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-04-29 05:56:53,149 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:56:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:56:53,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1692615035, now seen corresponding path program 41 times [2021-04-29 05:56:53,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:56:53,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371165065] [2021-04-29 05:56:53,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:56:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:56:53,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:56:53,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:53,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:53,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:56:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:56:53,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371165065] [2021-04-29 05:56:53,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:56:53,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 05:56:53,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085968091] [2021-04-29 05:56:53,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 05:56:53,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:56:53,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 05:56:53,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-04-29 05:56:53,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:56:53,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 1459 transitions, 64207 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) [2021-04-29 05:56:53,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:56:53,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:56:53,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:59,109 INFO L129 PetriNetUnfolder]: 1957/5057 cut-off events. [2021-04-29 05:56:59,109 INFO L130 PetriNetUnfolder]: For 218464/218985 co-relation queries the response was YES. [2021-04-29 05:56:59,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86134 conditions, 5057 events. 1957/5057 cut-off events. For 218464/218985 co-relation queries the response was YES. Maximal size of possible extension queue 767. Compared 52165 event pairs, 151 based on Foata normal form. 86/5140 useless extension candidates. Maximal degree in co-relation 85807. Up to 1868 conditions per place. [2021-04-29 05:56:59,168 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 410 selfloop transitions, 1092 changer transitions 18/1531 dead transitions. [2021-04-29 05:56:59,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 1531 transitions, 69734 flow [2021-04-29 05:56:59,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 05:56:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 05:56:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 637 transitions. [2021-04-29 05:56:59,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.551038062283737 [2021-04-29 05:56:59,170 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 637 transitions. [2021-04-29 05:56:59,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 637 transitions. [2021-04-29 05:56:59,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:59,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 637 transitions. [2021-04-29 05:56:59,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 37.470588235294116) internal successors, (637), 17 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:59,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:59,173 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:59,173 INFO L185 Difference]: Start difference. First operand has 212 places, 1459 transitions, 64207 flow. Second operand 17 states and 637 transitions. [2021-04-29 05:56:59,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 1531 transitions, 69734 flow [2021-04-29 05:57:00,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 1531 transitions, 69512 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:57:00,692 INFO L241 Difference]: Finished difference. Result has 225 places, 1489 transitions, 67388 flow [2021-04-29 05:57:00,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=64002, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=67388, PETRI_PLACES=225, PETRI_TRANSITIONS=1489} [2021-04-29 05:57:00,694 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 169 predicate places. [2021-04-29 05:57:00,694 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:57:00,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 1489 transitions, 67388 flow [2021-04-29 05:57:00,694 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 1489 transitions, 67388 flow [2021-04-29 05:57:00,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 1489 transitions, 67388 flow [2021-04-29 05:57:03,125 INFO L129 PetriNetUnfolder]: 1618/4391 cut-off events. [2021-04-29 05:57:03,126 INFO L130 PetriNetUnfolder]: For 175468/175935 co-relation queries the response was YES. [2021-04-29 05:57:03,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73066 conditions, 4391 events. 1618/4391 cut-off events. For 175468/175935 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 46110 event pairs, 6 based on Foata normal form. 172/4560 useless extension candidates. Maximal degree in co-relation 72741. Up to 1568 conditions per place. [2021-04-29 05:57:03,205 INFO L146 LiptonReduction]: Number of co-enabled transitions 1504 [2021-04-29 05:57:03,806 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:57:03,806 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:57:03,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3112 [2021-04-29 05:57:03,807 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 1489 transitions, 67388 flow [2021-04-29 05:57:03,807 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) [2021-04-29 05:57:03,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:57:03,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:57:03,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-04-29 05:57:03,808 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:57:03,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:57:03,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1532314353, now seen corresponding path program 42 times [2021-04-29 05:57:03,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:57:03,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393062698] [2021-04-29 05:57:03,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:57:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:57:03,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:57:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:03,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:03,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:57:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:57:03,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393062698] [2021-04-29 05:57:03,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:57:03,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 05:57:03,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960049983] [2021-04-29 05:57:03,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 05:57:03,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:57:03,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 05:57:03,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-04-29 05:57:03,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:57:03,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 1489 transitions, 67388 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) [2021-04-29 05:57:03,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:57:03,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:57:03,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:57:11,410 INFO L129 PetriNetUnfolder]: 1967/5106 cut-off events. [2021-04-29 05:57:11,410 INFO L130 PetriNetUnfolder]: For 232809/234508 co-relation queries the response was YES. [2021-04-29 05:57:11,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89146 conditions, 5106 events. 1967/5106 cut-off events. For 232809/234508 co-relation queries the response was YES. Maximal size of possible extension queue 777. Compared 53156 event pairs, 152 based on Foata normal form. 173/5272 useless extension candidates. Maximal degree in co-relation 88827. Up to 1872 conditions per place. [2021-04-29 05:57:11,463 INFO L132 encePairwiseOnDemand]: 56/68 looper letters, 397 selfloop transitions, 977 changer transitions 190/1575 dead transitions. [2021-04-29 05:57:11,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 1575 transitions, 73810 flow [2021-04-29 05:57:11,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 05:57:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 05:57:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 631 transitions. [2021-04-29 05:57:11,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5458477508650519 [2021-04-29 05:57:11,465 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 631 transitions. [2021-04-29 05:57:11,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 631 transitions. [2021-04-29 05:57:11,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:57:11,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 631 transitions. [2021-04-29 05:57:11,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 37.11764705882353) internal successors, (631), 17 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:11,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:11,468 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:11,468 INFO L185 Difference]: Start difference. First operand has 225 places, 1489 transitions, 67388 flow. Second operand 17 states and 631 transitions. [2021-04-29 05:57:11,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 1575 transitions, 73810 flow [2021-04-29 05:57:12,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 1575 transitions, 71519 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-04-29 05:57:12,773 INFO L241 Difference]: Finished difference. Result has 231 places, 1374 transitions, 60991 flow [2021-04-29 05:57:12,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=65240, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1489, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=968, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=60991, PETRI_PLACES=231, PETRI_TRANSITIONS=1374} [2021-04-29 05:57:12,775 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 175 predicate places. [2021-04-29 05:57:12,775 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:57:12,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 1374 transitions, 60991 flow [2021-04-29 05:57:12,775 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 1374 transitions, 60991 flow [2021-04-29 05:57:12,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 227 places, 1374 transitions, 60991 flow [2021-04-29 05:57:15,077 INFO L129 PetriNetUnfolder]: 1494/4124 cut-off events. [2021-04-29 05:57:15,077 INFO L130 PetriNetUnfolder]: For 196836/198526 co-relation queries the response was YES. [2021-04-29 05:57:15,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68467 conditions, 4124 events. 1494/4124 cut-off events. For 196836/198526 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 43175 event pairs, 6 based on Foata normal form. 222/4340 useless extension candidates. Maximal degree in co-relation 68141. Up to 1484 conditions per place. [2021-04-29 05:57:15,156 INFO L146 LiptonReduction]: Number of co-enabled transitions 1506 [2021-04-29 05:57:15,682 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:57:15,683 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:57:15,683 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2908 [2021-04-29 05:57:15,684 INFO L480 AbstractCegarLoop]: Abstraction has has 227 places, 1374 transitions, 60991 flow [2021-04-29 05:57:15,684 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) [2021-04-29 05:57:15,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:57:15,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:57:15,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-04-29 05:57:15,684 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:57:15,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:57:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash 346603245, now seen corresponding path program 43 times [2021-04-29 05:57:15,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:57:15,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035028468] [2021-04-29 05:57:15,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:57:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:57:15,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:57:15,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:15,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:57:15,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:15,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:15,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:15,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:15,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:15,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:15,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:57:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:57:15,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035028468] [2021-04-29 05:57:15,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:57:15,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:57:15,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731815706] [2021-04-29 05:57:15,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:57:15,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:57:15,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:57:15,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:57:15,773 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:57:15,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 1374 transitions, 60991 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) [2021-04-29 05:57:15,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:57:15,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:57:15,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:57:21,675 INFO L129 PetriNetUnfolder]: 1821/4782 cut-off events. [2021-04-29 05:57:21,675 INFO L130 PetriNetUnfolder]: For 223823/225502 co-relation queries the response was YES. [2021-04-29 05:57:21,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83742 conditions, 4782 events. 1821/4782 cut-off events. For 223823/225502 co-relation queries the response was YES. Maximal size of possible extension queue 708. Compared 49243 event pairs, 6 based on Foata normal form. 149/4924 useless extension candidates. Maximal degree in co-relation 83418. Up to 1666 conditions per place. [2021-04-29 05:57:21,732 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 73 selfloop transitions, 1323 changer transitions 12/1419 dead transitions. [2021-04-29 05:57:21,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 1419 transitions, 64861 flow [2021-04-29 05:57:21,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:57:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:57:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 500 transitions. [2021-04-29 05:57:21,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5656108597285068 [2021-04-29 05:57:21,734 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 500 transitions. [2021-04-29 05:57:21,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 500 transitions. [2021-04-29 05:57:21,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:57:21,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 500 transitions. [2021-04-29 05:57:21,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.46153846153846) internal successors, (500), 13 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:21,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:21,737 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:21,737 INFO L185 Difference]: Start difference. First operand has 227 places, 1374 transitions, 60991 flow. Second operand 13 states and 500 transitions. [2021-04-29 05:57:21,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 1419 transitions, 64861 flow [2021-04-29 05:57:22,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 1419 transitions, 64014 flow, removed 107 selfloop flow, removed 8 redundant places. [2021-04-29 05:57:22,896 INFO L241 Difference]: Finished difference. Result has 231 places, 1382 transitions, 62997 flow [2021-04-29 05:57:22,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=60184, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=62997, PETRI_PLACES=231, PETRI_TRANSITIONS=1382} [2021-04-29 05:57:22,898 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 175 predicate places. [2021-04-29 05:57:22,898 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:57:22,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 1382 transitions, 62997 flow [2021-04-29 05:57:22,898 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 1382 transitions, 62997 flow [2021-04-29 05:57:22,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 231 places, 1382 transitions, 62997 flow [2021-04-29 05:57:25,283 INFO L129 PetriNetUnfolder]: 1490/4144 cut-off events. [2021-04-29 05:57:25,284 INFO L130 PetriNetUnfolder]: For 197837/198999 co-relation queries the response was YES. [2021-04-29 05:57:25,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70482 conditions, 4144 events. 1490/4144 cut-off events. For 197837/198999 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 43637 event pairs, 6 based on Foata normal form. 209/4349 useless extension candidates. Maximal degree in co-relation 70152. Up to 1491 conditions per place. [2021-04-29 05:57:25,366 INFO L146 LiptonReduction]: Number of co-enabled transitions 1516 [2021-04-29 05:57:25,901 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:57:25,901 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:57:25,901 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3003 [2021-04-29 05:57:25,902 INFO L480 AbstractCegarLoop]: Abstraction has has 231 places, 1382 transitions, 62997 flow [2021-04-29 05:57:25,902 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) [2021-04-29 05:57:25,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:57:25,902 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:57:25,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-04-29 05:57:25,903 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:57:25,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:57:25,903 INFO L82 PathProgramCache]: Analyzing trace with hash -407562227, now seen corresponding path program 44 times [2021-04-29 05:57:25,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:57:25,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876323807] [2021-04-29 05:57:25,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:57:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:57:25,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:57:25,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:25,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:57:25,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:25,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:25,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:25,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:25,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:25,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:25,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:57:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:57:25,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876323807] [2021-04-29 05:57:25,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:57:25,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:57:25,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389254481] [2021-04-29 05:57:25,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:57:25,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:57:25,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:57:25,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:57:25,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:57:25,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 1382 transitions, 62997 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) [2021-04-29 05:57:25,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:57:25,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:57:25,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:57:31,097 INFO L129 PetriNetUnfolder]: 1819/4806 cut-off events. [2021-04-29 05:57:31,098 INFO L130 PetriNetUnfolder]: For 223417/224516 co-relation queries the response was YES. [2021-04-29 05:57:31,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85489 conditions, 4806 events. 1819/4806 cut-off events. For 223417/224516 co-relation queries the response was YES. Maximal size of possible extension queue 714. Compared 49826 event pairs, 6 based on Foata normal form. 154/4956 useless extension candidates. Maximal degree in co-relation 85163. Up to 1673 conditions per place. [2021-04-29 05:57:31,179 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 86 selfloop transitions, 1332 changer transitions 20/1449 dead transitions. [2021-04-29 05:57:31,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 1449 transitions, 67542 flow [2021-04-29 05:57:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:57:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:57:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 501 transitions. [2021-04-29 05:57:31,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5667420814479638 [2021-04-29 05:57:31,181 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 501 transitions. [2021-04-29 05:57:31,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 501 transitions. [2021-04-29 05:57:31,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:57:31,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 501 transitions. [2021-04-29 05:57:31,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.53846153846154) internal successors, (501), 13 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:31,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:31,184 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:31,184 INFO L185 Difference]: Start difference. First operand has 231 places, 1382 transitions, 62997 flow. Second operand 13 states and 501 transitions. [2021-04-29 05:57:31,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 1449 transitions, 67542 flow [2021-04-29 05:57:32,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 1449 transitions, 66939 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-04-29 05:57:32,997 INFO L241 Difference]: Finished difference. Result has 239 places, 1387 transitions, 65123 flow [2021-04-29 05:57:32,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=62413, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1312, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=65123, PETRI_PLACES=239, PETRI_TRANSITIONS=1387} [2021-04-29 05:57:32,999 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 183 predicate places. [2021-04-29 05:57:32,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:57:32,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 1387 transitions, 65123 flow [2021-04-29 05:57:32,999 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 1387 transitions, 65123 flow [2021-04-29 05:57:33,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 1387 transitions, 65123 flow [2021-04-29 05:57:35,414 INFO L129 PetriNetUnfolder]: 1481/4152 cut-off events. [2021-04-29 05:57:35,414 INFO L130 PetriNetUnfolder]: For 209782/211550 co-relation queries the response was YES. [2021-04-29 05:57:35,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73078 conditions, 4152 events. 1481/4152 cut-off events. For 209782/211550 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 44077 event pairs, 6 based on Foata normal form. 220/4366 useless extension candidates. Maximal degree in co-relation 72748. Up to 1495 conditions per place. [2021-04-29 05:57:35,490 INFO L146 LiptonReduction]: Number of co-enabled transitions 1530 [2021-04-29 05:57:36,027 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:57:36,028 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:57:36,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3029 [2021-04-29 05:57:36,028 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 1387 transitions, 65123 flow [2021-04-29 05:57:36,029 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) [2021-04-29 05:57:36,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:57:36,029 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] [2021-04-29 05:57:36,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-04-29 05:57:36,029 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:57:36,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:57:36,029 INFO L82 PathProgramCache]: Analyzing trace with hash -646442971, now seen corresponding path program 45 times [2021-04-29 05:57:36,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:57:36,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088524850] [2021-04-29 05:57:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:57:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:57:36,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:57:36,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:36,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:57:36,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:36,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:36,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:36,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:36,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:57:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:57:36,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088524850] [2021-04-29 05:57:36,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:57:36,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:57:36,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747806998] [2021-04-29 05:57:36,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:57:36,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:57:36,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:57:36,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:57:36,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:57:36,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 1387 transitions, 65123 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) [2021-04-29 05:57:36,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:57:36,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:57:36,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:57:40,427 INFO L129 PetriNetUnfolder]: 1765/4769 cut-off events. [2021-04-29 05:57:40,428 INFO L130 PetriNetUnfolder]: For 227673/228235 co-relation queries the response was YES. [2021-04-29 05:57:40,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87452 conditions, 4769 events. 1765/4769 cut-off events. For 227673/228235 co-relation queries the response was YES. Maximal size of possible extension queue 707. Compared 49955 event pairs, 6 based on Foata normal form. 152/4918 useless extension candidates. Maximal degree in co-relation 87113. Up to 1644 conditions per place. [2021-04-29 05:57:40,485 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 70 selfloop transitions, 1339 changer transitions 11/1431 dead transitions. [2021-04-29 05:57:40,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 1431 transitions, 69169 flow [2021-04-29 05:57:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:57:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:57:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 349 transitions. [2021-04-29 05:57:40,486 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5702614379084967 [2021-04-29 05:57:40,486 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 349 transitions. [2021-04-29 05:57:40,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 349 transitions. [2021-04-29 05:57:40,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:57:40,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 349 transitions. [2021-04-29 05:57:40,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.77777777777778) internal successors, (349), 9 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:40,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:40,490 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:40,490 INFO L185 Difference]: Start difference. First operand has 239 places, 1387 transitions, 65123 flow. Second operand 9 states and 349 transitions. [2021-04-29 05:57:40,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 1431 transitions, 69169 flow [2021-04-29 05:57:41,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 1431 transitions, 69006 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-29 05:57:41,783 INFO L241 Difference]: Finished difference. Result has 244 places, 1392 transitions, 67785 flow [2021-04-29 05:57:41,785 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=64462, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=67785, PETRI_PLACES=244, PETRI_TRANSITIONS=1392} [2021-04-29 05:57:41,785 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 188 predicate places. [2021-04-29 05:57:41,785 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:57:41,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 1392 transitions, 67785 flow [2021-04-29 05:57:41,785 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 1392 transitions, 67785 flow [2021-04-29 05:57:41,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 1392 transitions, 67785 flow [2021-04-29 05:57:44,331 INFO L129 PetriNetUnfolder]: 1429/4113 cut-off events. [2021-04-29 05:57:44,331 INFO L130 PetriNetUnfolder]: For 215359/217198 co-relation queries the response was YES. [2021-04-29 05:57:44,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75175 conditions, 4113 events. 1429/4113 cut-off events. For 215359/217198 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 44064 event pairs, 6 based on Foata normal form. 204/4313 useless extension candidates. Maximal degree in co-relation 74834. Up to 1455 conditions per place. [2021-04-29 05:57:44,403 INFO L146 LiptonReduction]: Number of co-enabled transitions 1542 [2021-04-29 05:57:45,027 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:57:45,027 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:57:45,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3242 [2021-04-29 05:57:45,028 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 1392 transitions, 67785 flow [2021-04-29 05:57:45,028 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) [2021-04-29 05:57:45,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:57:45,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:57:45,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-04-29 05:57:45,029 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:57:45,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:57:45,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1187964147, now seen corresponding path program 46 times [2021-04-29 05:57:45,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:57:45,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326914323] [2021-04-29 05:57:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:57:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:57:45,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:57:45,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:45,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:45,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:57:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:57:45,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326914323] [2021-04-29 05:57:45,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:57:45,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:57:45,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844301244] [2021-04-29 05:57:45,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:57:45,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:57:45,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:57:45,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:57:45,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:57:45,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 1392 transitions, 67785 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) [2021-04-29 05:57:45,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:57:45,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:57:45,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:57:51,657 INFO L129 PetriNetUnfolder]: 1743/4741 cut-off events. [2021-04-29 05:57:51,657 INFO L130 PetriNetUnfolder]: For 241976/243856 co-relation queries the response was YES. [2021-04-29 05:57:51,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90199 conditions, 4741 events. 1743/4741 cut-off events. For 241976/243856 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 49820 event pairs, 157 based on Foata normal form. 169/4905 useless extension candidates. Maximal degree in co-relation 89862. Up to 1883 conditions per place. [2021-04-29 05:57:51,715 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 421 selfloop transitions, 977 changer transitions 28/1437 dead transitions. [2021-04-29 05:57:51,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 1437 transitions, 71778 flow [2021-04-29 05:57:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:57:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:57:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 497 transitions. [2021-04-29 05:57:51,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5622171945701357 [2021-04-29 05:57:51,717 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 497 transitions. [2021-04-29 05:57:51,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 497 transitions. [2021-04-29 05:57:51,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:57:51,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 497 transitions. [2021-04-29 05:57:51,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.23076923076923) internal successors, (497), 13 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:51,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:51,720 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:51,720 INFO L185 Difference]: Start difference. First operand has 244 places, 1392 transitions, 67785 flow. Second operand 13 states and 497 transitions. [2021-04-29 05:57:51,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 1437 transitions, 71778 flow [2021-04-29 05:57:53,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 1437 transitions, 71002 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-04-29 05:57:53,095 INFO L241 Difference]: Finished difference. Result has 252 places, 1390 transitions, 68020 flow [2021-04-29 05:57:53,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=67003, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=953, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=68020, PETRI_PLACES=252, PETRI_TRANSITIONS=1390} [2021-04-29 05:57:53,097 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 196 predicate places. [2021-04-29 05:57:53,097 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:57:53,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 252 places, 1390 transitions, 68020 flow [2021-04-29 05:57:53,097 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 252 places, 1390 transitions, 68020 flow [2021-04-29 05:57:53,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 1390 transitions, 68020 flow [2021-04-29 05:57:55,195 INFO L129 PetriNetUnfolder]: 1404/4047 cut-off events. [2021-04-29 05:57:55,196 INFO L130 PetriNetUnfolder]: For 217787/219063 co-relation queries the response was YES. [2021-04-29 05:57:55,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74605 conditions, 4047 events. 1404/4047 cut-off events. For 217787/219063 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 43431 event pairs, 7 based on Foata normal form. 184/4226 useless extension candidates. Maximal degree in co-relation 74286. Up to 1435 conditions per place. [2021-04-29 05:57:55,278 INFO L146 LiptonReduction]: Number of co-enabled transitions 1576 [2021-04-29 05:57:55,778 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:57:55,778 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:57:55,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2682 [2021-04-29 05:57:55,779 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 1390 transitions, 68020 flow [2021-04-29 05:57:55,779 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) [2021-04-29 05:57:55,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:57:55,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:57:55,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-04-29 05:57:55,780 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:57:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:57:55,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1246644799, now seen corresponding path program 47 times [2021-04-29 05:57:55,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:57:55,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705451670] [2021-04-29 05:57:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:57:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:57:55,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:57:55,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:55,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:57:55,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:55,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:57:55,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:55,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:55,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:55,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:55,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:57:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:57:55,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705451670] [2021-04-29 05:57:55,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:57:55,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:57:55,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575025579] [2021-04-29 05:57:55,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:57:55,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:57:55,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:57:55,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:57:55,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:57:55,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 1390 transitions, 68020 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) [2021-04-29 05:57:55,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:57:55,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:57:55,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:01,994 INFO L129 PetriNetUnfolder]: 1704/4708 cut-off events. [2021-04-29 05:58:01,994 INFO L130 PetriNetUnfolder]: For 259991/260655 co-relation queries the response was YES. [2021-04-29 05:58:02,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89815 conditions, 4708 events. 1704/4708 cut-off events. For 259991/260655 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 49923 event pairs, 14 based on Foata normal form. 162/4867 useless extension candidates. Maximal degree in co-relation 89469. Up to 1606 conditions per place. [2021-04-29 05:58:02,049 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 188 selfloop transitions, 1211 changer transitions 25/1435 dead transitions. [2021-04-29 05:58:02,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 1435 transitions, 72111 flow [2021-04-29 05:58:02,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:58:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:58:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 348 transitions. [2021-04-29 05:58:02,050 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5686274509803921 [2021-04-29 05:58:02,050 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 348 transitions. [2021-04-29 05:58:02,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 348 transitions. [2021-04-29 05:58:02,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:02,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 348 transitions. [2021-04-29 05:58:02,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.666666666666664) internal successors, (348), 9 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:02,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:02,052 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:02,052 INFO L185 Difference]: Start difference. First operand has 252 places, 1390 transitions, 68020 flow. Second operand 9 states and 348 transitions. [2021-04-29 05:58:02,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 1435 transitions, 72111 flow [2021-04-29 05:58:03,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 1435 transitions, 71891 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:58:03,358 INFO L241 Difference]: Finished difference. Result has 257 places, 1378 transitions, 69808 flow [2021-04-29 05:58:03,360 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=67713, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=69808, PETRI_PLACES=257, PETRI_TRANSITIONS=1378} [2021-04-29 05:58:03,360 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 201 predicate places. [2021-04-29 05:58:03,360 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:03,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 257 places, 1378 transitions, 69808 flow [2021-04-29 05:58:03,360 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 257 places, 1378 transitions, 69808 flow [2021-04-29 05:58:03,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 1378 transitions, 69808 flow [2021-04-29 05:58:05,807 INFO L129 PetriNetUnfolder]: 1329/3975 cut-off events. [2021-04-29 05:58:05,808 INFO L130 PetriNetUnfolder]: For 232828/234698 co-relation queries the response was YES. [2021-04-29 05:58:05,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75658 conditions, 3975 events. 1329/3975 cut-off events. For 232828/234698 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 43270 event pairs, 6 based on Foata normal form. 210/4180 useless extension candidates. Maximal degree in co-relation 75324. Up to 1393 conditions per place. [2021-04-29 05:58:05,884 INFO L146 LiptonReduction]: Number of co-enabled transitions 1566 [2021-04-29 05:58:06,540 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:06,540 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:06,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3180 [2021-04-29 05:58:06,542 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 1378 transitions, 69808 flow [2021-04-29 05:58:06,542 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) [2021-04-29 05:58:06,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:06,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:58:06,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-04-29 05:58:06,543 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:06,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:06,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1612300037, now seen corresponding path program 48 times [2021-04-29 05:58:06,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:06,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115882374] [2021-04-29 05:58:06,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:06,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:06,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:06,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:58:06,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:06,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:06,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:06,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:06,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:06,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:06,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:06,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:06,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115882374] [2021-04-29 05:58:06,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:06,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:58:06,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243732436] [2021-04-29 05:58:06,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:58:06,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:06,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:58:06,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:58:06,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:58:06,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 1378 transitions, 69808 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) [2021-04-29 05:58:06,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:06,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:58:06,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:13,308 INFO L129 PetriNetUnfolder]: 1637/4643 cut-off events. [2021-04-29 05:58:13,308 INFO L130 PetriNetUnfolder]: For 263139/263792 co-relation queries the response was YES. [2021-04-29 05:58:13,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91671 conditions, 4643 events. 1637/4643 cut-off events. For 263139/263792 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 49782 event pairs, 6 based on Foata normal form. 179/4819 useless extension candidates. Maximal degree in co-relation 91332. Up to 1583 conditions per place. [2021-04-29 05:58:13,359 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 85 selfloop transitions, 1279 changer transitions 68/1443 dead transitions. [2021-04-29 05:58:13,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 1443 transitions, 75165 flow [2021-04-29 05:58:13,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:58:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:58:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 388 transitions. [2021-04-29 05:58:13,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5705882352941176 [2021-04-29 05:58:13,361 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 388 transitions. [2021-04-29 05:58:13,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 388 transitions. [2021-04-29 05:58:13,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:13,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 388 transitions. [2021-04-29 05:58:13,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 38.8) internal successors, (388), 10 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:13,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:13,363 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:13,363 INFO L185 Difference]: Start difference. First operand has 257 places, 1378 transitions, 69808 flow. Second operand 10 states and 388 transitions. [2021-04-29 05:58:13,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 1443 transitions, 75165 flow [2021-04-29 05:58:14,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 1443 transitions, 74600 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:58:14,640 INFO L241 Difference]: Finished difference. Result has 263 places, 1345 transitions, 69295 flow [2021-04-29 05:58:14,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=69107, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=69295, PETRI_PLACES=263, PETRI_TRANSITIONS=1345} [2021-04-29 05:58:14,642 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 207 predicate places. [2021-04-29 05:58:14,642 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:14,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 1345 transitions, 69295 flow [2021-04-29 05:58:14,642 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 1345 transitions, 69295 flow [2021-04-29 05:58:14,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 1345 transitions, 69295 flow [2021-04-29 05:58:17,713 INFO L129 PetriNetUnfolder]: 1224/3810 cut-off events. [2021-04-29 05:58:17,713 INFO L130 PetriNetUnfolder]: For 225674/227612 co-relation queries the response was YES. [2021-04-29 05:58:17,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73399 conditions, 3810 events. 1224/3810 cut-off events. For 225674/227612 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 42028 event pairs, 6 based on Foata normal form. 175/3979 useless extension candidates. Maximal degree in co-relation 73061. Up to 1335 conditions per place. [2021-04-29 05:58:17,789 INFO L146 LiptonReduction]: Number of co-enabled transitions 1502 [2021-04-29 05:58:18,332 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:18,333 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:18,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3691 [2021-04-29 05:58:18,333 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 1345 transitions, 69295 flow [2021-04-29 05:58:18,333 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) [2021-04-29 05:58:18,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:18,334 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:58:18,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-04-29 05:58:18,334 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:18,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2119986115, now seen corresponding path program 49 times [2021-04-29 05:58:18,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:18,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998372354] [2021-04-29 05:58:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:18,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:18,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:18,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:18,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:18,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:18,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998372354] [2021-04-29 05:58:18,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:18,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 05:58:18,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207698521] [2021-04-29 05:58:18,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 05:58:18,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:18,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 05:58:18,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-04-29 05:58:18,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:58:18,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 1345 transitions, 69295 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) [2021-04-29 05:58:18,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:18,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:58:18,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:23,958 INFO L129 PetriNetUnfolder]: 1536/4455 cut-off events. [2021-04-29 05:58:23,958 INFO L130 PetriNetUnfolder]: For 257426/258123 co-relation queries the response was YES. [2021-04-29 05:58:23,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88755 conditions, 4455 events. 1536/4455 cut-off events. For 257426/258123 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 47889 event pairs, 158 based on Foata normal form. 106/4558 useless extension candidates. Maximal degree in co-relation 88412. Up to 1768 conditions per place. [2021-04-29 05:58:24,009 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 405 selfloop transitions, 958 changer transitions 21/1395 dead transitions. [2021-04-29 05:58:24,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 1395 transitions, 73941 flow [2021-04-29 05:58:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 05:58:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 05:58:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 633 transitions. [2021-04-29 05:58:24,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5475778546712803 [2021-04-29 05:58:24,011 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 633 transitions. [2021-04-29 05:58:24,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 633 transitions. [2021-04-29 05:58:24,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:24,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 633 transitions. [2021-04-29 05:58:24,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 37.23529411764706) internal successors, (633), 17 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:24,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:24,014 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:24,014 INFO L185 Difference]: Start difference. First operand has 263 places, 1345 transitions, 69295 flow. Second operand 17 states and 633 transitions. [2021-04-29 05:58:24,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 1395 transitions, 73941 flow [2021-04-29 05:58:25,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 1395 transitions, 73166 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:58:25,479 INFO L241 Difference]: Finished difference. Result has 275 places, 1353 transitions, 70755 flow [2021-04-29 05:58:25,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=68551, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=931, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=70755, PETRI_PLACES=275, PETRI_TRANSITIONS=1353} [2021-04-29 05:58:25,481 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 219 predicate places. [2021-04-29 05:58:25,481 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:25,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 1353 transitions, 70755 flow [2021-04-29 05:58:25,481 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 1353 transitions, 70755 flow [2021-04-29 05:58:25,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 275 places, 1353 transitions, 70755 flow [2021-04-29 05:58:27,899 INFO L129 PetriNetUnfolder]: 1223/3806 cut-off events. [2021-04-29 05:58:27,899 INFO L130 PetriNetUnfolder]: For 234885/236772 co-relation queries the response was YES. [2021-04-29 05:58:27,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74031 conditions, 3806 events. 1223/3806 cut-off events. For 234885/236772 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 41938 event pairs, 6 based on Foata normal form. 178/3978 useless extension candidates. Maximal degree in co-relation 73706. Up to 1331 conditions per place. [2021-04-29 05:58:27,976 INFO L146 LiptonReduction]: Number of co-enabled transitions 1506 [2021-04-29 05:58:28,521 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:28,521 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:28,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3040 [2021-04-29 05:58:28,522 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 1353 transitions, 70755 flow [2021-04-29 05:58:28,522 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) [2021-04-29 05:58:28,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:28,522 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:58:28,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-04-29 05:58:28,523 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:28,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:28,523 INFO L82 PathProgramCache]: Analyzing trace with hash 870243871, now seen corresponding path program 50 times [2021-04-29 05:58:28,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:28,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51660985] [2021-04-29 05:58:28,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:28,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:28,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:28,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:58:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:28,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:28,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:28,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:28,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:28,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:28,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51660985] [2021-04-29 05:58:28,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:28,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:58:28,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678652824] [2021-04-29 05:58:28,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:58:28,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:28,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:58:28,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:58:28,597 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:58:28,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 1353 transitions, 70755 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) [2021-04-29 05:58:28,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:28,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:58:28,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:33,303 INFO L129 PetriNetUnfolder]: 1497/4431 cut-off events. [2021-04-29 05:58:33,304 INFO L130 PetriNetUnfolder]: For 265717/266407 co-relation queries the response was YES. [2021-04-29 05:58:33,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88952 conditions, 4431 events. 1497/4431 cut-off events. For 265717/266407 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 48243 event pairs, 6 based on Foata normal form. 190/4618 useless extension candidates. Maximal degree in co-relation 88609. Up to 1487 conditions per place. [2021-04-29 05:58:33,365 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 85 selfloop transitions, 1224 changer transitions 88/1408 dead transitions. [2021-04-29 05:58:33,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 1408 transitions, 75038 flow [2021-04-29 05:58:33,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:58:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:58:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 499 transitions. [2021-04-29 05:58:33,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5644796380090498 [2021-04-29 05:58:33,366 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 499 transitions. [2021-04-29 05:58:33,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 499 transitions. [2021-04-29 05:58:33,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:33,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 499 transitions. [2021-04-29 05:58:33,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.38461538461539) internal successors, (499), 13 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:33,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:33,370 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 68.0) internal successors, (952), 14 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:33,370 INFO L185 Difference]: Start difference. First operand has 275 places, 1353 transitions, 70755 flow. Second operand 13 states and 499 transitions. [2021-04-29 05:58:33,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 1408 transitions, 75038 flow [2021-04-29 05:58:34,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 1408 transitions, 72941 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-04-29 05:58:34,718 INFO L241 Difference]: Finished difference. Result has 275 places, 1288 transitions, 66607 flow [2021-04-29 05:58:34,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=68501, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=66607, PETRI_PLACES=275, PETRI_TRANSITIONS=1288} [2021-04-29 05:58:34,719 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 219 predicate places. [2021-04-29 05:58:34,719 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:34,719 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 1288 transitions, 66607 flow [2021-04-29 05:58:34,720 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 1288 transitions, 66607 flow [2021-04-29 05:58:34,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 275 places, 1288 transitions, 66607 flow [2021-04-29 05:58:36,494 INFO L129 PetriNetUnfolder]: 1023/3073 cut-off events. [2021-04-29 05:58:36,494 INFO L130 PetriNetUnfolder]: For 217213/218906 co-relation queries the response was YES. [2021-04-29 05:58:36,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58827 conditions, 3073 events. 1023/3073 cut-off events. For 217213/218906 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 31879 event pairs, 1 based on Foata normal form. 134/3202 useless extension candidates. Maximal degree in co-relation 58485. Up to 1170 conditions per place. [2021-04-29 05:58:36,552 INFO L146 LiptonReduction]: Number of co-enabled transitions 1404 [2021-04-29 05:58:37,129 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:37,129 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:37,129 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2410 [2021-04-29 05:58:37,130 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 1288 transitions, 66607 flow [2021-04-29 05:58:37,130 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) [2021-04-29 05:58:37,130 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:37,130 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:58:37,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-04-29 05:58:37,130 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:37,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:37,130 INFO L82 PathProgramCache]: Analyzing trace with hash -2129111485, now seen corresponding path program 51 times [2021-04-29 05:58:37,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:37,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56826556] [2021-04-29 05:58:37,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:37,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:37,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:37,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:37,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:37,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56826556] [2021-04-29 05:58:37,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:37,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:58:37,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813013214] [2021-04-29 05:58:37,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:58:37,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:37,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:58:37,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:58:37,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:58:37,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 1288 transitions, 66607 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) [2021-04-29 05:58:37,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:37,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:58:37,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:40,557 INFO L129 PetriNetUnfolder]: 1247/3529 cut-off events. [2021-04-29 05:58:40,557 INFO L130 PetriNetUnfolder]: For 225236/225619 co-relation queries the response was YES. [2021-04-29 05:58:40,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70322 conditions, 3529 events. 1247/3529 cut-off events. For 225236/225619 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 35656 event pairs, 94 based on Foata normal form. 68/3594 useless extension candidates. Maximal degree in co-relation 69976. Up to 1186 conditions per place. [2021-04-29 05:58:40,601 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 388 selfloop transitions, 904 changer transitions 9/1312 dead transitions. [2021-04-29 05:58:40,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 1312 transitions, 69835 flow [2021-04-29 05:58:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 05:58:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 05:58:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 459 transitions. [2021-04-29 05:58:40,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5625 [2021-04-29 05:58:40,603 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 459 transitions. [2021-04-29 05:58:40,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 459 transitions. [2021-04-29 05:58:40,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:40,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 459 transitions. [2021-04-29 05:58:40,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 38.25) internal successors, (459), 12 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:40,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:40,605 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:40,605 INFO L185 Difference]: Start difference. First operand has 275 places, 1288 transitions, 66607 flow. Second operand 12 states and 459 transitions. [2021-04-29 05:58:40,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 1312 transitions, 69835 flow [2021-04-29 05:58:41,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 1312 transitions, 68235 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-04-29 05:58:41,623 INFO L241 Difference]: Finished difference. Result has 281 places, 1288 transitions, 66686 flow [2021-04-29 05:58:41,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=64964, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=893, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=66686, PETRI_PLACES=281, PETRI_TRANSITIONS=1288} [2021-04-29 05:58:41,625 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 225 predicate places. [2021-04-29 05:58:41,625 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:41,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 1288 transitions, 66686 flow [2021-04-29 05:58:41,626 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 1288 transitions, 66686 flow [2021-04-29 05:58:41,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 1288 transitions, 66686 flow [2021-04-29 05:58:43,768 INFO L129 PetriNetUnfolder]: 1005/3055 cut-off events. [2021-04-29 05:58:43,768 INFO L130 PetriNetUnfolder]: For 207592/208690 co-relation queries the response was YES. [2021-04-29 05:58:43,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58769 conditions, 3055 events. 1005/3055 cut-off events. For 207592/208690 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 31881 event pairs, 1 based on Foata normal form. 119/3171 useless extension candidates. Maximal degree in co-relation 58429. Up to 1163 conditions per place. [2021-04-29 05:58:43,828 INFO L146 LiptonReduction]: Number of co-enabled transitions 1416 [2021-04-29 05:58:44,321 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:44,321 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:44,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2696 [2021-04-29 05:58:44,322 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 1288 transitions, 66686 flow [2021-04-29 05:58:44,322 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) [2021-04-29 05:58:44,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:44,322 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:58:44,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-04-29 05:58:44,323 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:44,323 INFO L82 PathProgramCache]: Analyzing trace with hash -842089209, now seen corresponding path program 52 times [2021-04-29 05:58:44,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:44,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236219092] [2021-04-29 05:58:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:44,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:44,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:44,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:44,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:44,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236219092] [2021-04-29 05:58:44,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:44,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 05:58:44,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544146602] [2021-04-29 05:58:44,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 05:58:44,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:44,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 05:58:44,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-04-29 05:58:44,417 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:58:44,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 1288 transitions, 66686 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) [2021-04-29 05:58:44,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:44,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:58:44,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:48,463 INFO L129 PetriNetUnfolder]: 1243/3559 cut-off events. [2021-04-29 05:58:48,463 INFO L130 PetriNetUnfolder]: For 227574/227951 co-relation queries the response was YES. [2021-04-29 05:58:48,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70874 conditions, 3559 events. 1243/3559 cut-off events. For 227574/227951 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 36261 event pairs, 94 based on Foata normal form. 68/3624 useless extension candidates. Maximal degree in co-relation 70520. Up to 1189 conditions per place. [2021-04-29 05:58:48,506 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 394 selfloop transitions, 883 changer transitions 48/1336 dead transitions. [2021-04-29 05:58:48,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 1336 transitions, 70997 flow [2021-04-29 05:58:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 05:58:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 05:58:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 634 transitions. [2021-04-29 05:58:48,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5484429065743944 [2021-04-29 05:58:48,508 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 634 transitions. [2021-04-29 05:58:48,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 634 transitions. [2021-04-29 05:58:48,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:48,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 634 transitions. [2021-04-29 05:58:48,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 37.294117647058826) internal successors, (634), 17 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:48,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:48,511 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:48,511 INFO L185 Difference]: Start difference. First operand has 281 places, 1288 transitions, 66686 flow. Second operand 17 states and 634 transitions. [2021-04-29 05:58:48,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 1336 transitions, 70997 flow [2021-04-29 05:58:49,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 1336 transitions, 70623 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 05:58:49,512 INFO L241 Difference]: Finished difference. Result has 293 places, 1267 transitions, 66328 flow [2021-04-29 05:58:49,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=66328, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=859, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=66328, PETRI_PLACES=293, PETRI_TRANSITIONS=1267} [2021-04-29 05:58:49,514 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 237 predicate places. [2021-04-29 05:58:49,514 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:49,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 1267 transitions, 66328 flow [2021-04-29 05:58:49,514 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 1267 transitions, 66328 flow [2021-04-29 05:58:49,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 1267 transitions, 66328 flow [2021-04-29 05:58:51,190 INFO L129 PetriNetUnfolder]: 991/2983 cut-off events. [2021-04-29 05:58:51,190 INFO L130 PetriNetUnfolder]: For 204101/204474 co-relation queries the response was YES. [2021-04-29 05:58:51,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57234 conditions, 2983 events. 991/2983 cut-off events. For 204101/204474 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 31033 event pairs, 1 based on Foata normal form. 95/3077 useless extension candidates. Maximal degree in co-relation 56875. Up to 1183 conditions per place. [2021-04-29 05:58:51,248 INFO L146 LiptonReduction]: Number of co-enabled transitions 1390 [2021-04-29 05:58:51,714 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:51,714 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:51,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2200 [2021-04-29 05:58:51,714 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 1267 transitions, 66328 flow [2021-04-29 05:58:51,715 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) [2021-04-29 05:58:51,715 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:51,715 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:58:51,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-04-29 05:58:51,715 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:51,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:51,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1740795719, now seen corresponding path program 53 times [2021-04-29 05:58:51,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:51,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759483366] [2021-04-29 05:58:51,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:51,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:51,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:51,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:51,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:51,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:51,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:51,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:51,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:51,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:51,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759483366] [2021-04-29 05:58:51,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:51,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:58:51,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746709416] [2021-04-29 05:58:51,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:58:51,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:51,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:58:51,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:58:51,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:58:51,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 1267 transitions, 66328 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) [2021-04-29 05:58:51,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:51,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:58:51,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:55,750 INFO L129 PetriNetUnfolder]: 1137/3278 cut-off events. [2021-04-29 05:58:55,750 INFO L130 PetriNetUnfolder]: For 217840/217892 co-relation queries the response was YES. [2021-04-29 05:58:55,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65875 conditions, 3278 events. 1137/3278 cut-off events. For 217840/217892 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 33184 event pairs, 94 based on Foata normal form. 54/3331 useless extension candidates. Maximal degree in co-relation 65542. Up to 1183 conditions per place. [2021-04-29 05:58:55,788 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 380 selfloop transitions, 814 changer transitions 26/1231 dead transitions. [2021-04-29 05:58:55,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 1231 transitions, 66221 flow [2021-04-29 05:58:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:58:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:58:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 373 transitions. [2021-04-29 05:58:55,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5485294117647059 [2021-04-29 05:58:55,790 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 373 transitions. [2021-04-29 05:58:55,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 373 transitions. [2021-04-29 05:58:55,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:55,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 373 transitions. [2021-04-29 05:58:55,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 37.3) internal successors, (373), 10 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:55,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:55,791 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:55,791 INFO L185 Difference]: Start difference. First operand has 293 places, 1267 transitions, 66328 flow. Second operand 10 states and 373 transitions. [2021-04-29 05:58:55,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 1231 transitions, 66221 flow [2021-04-29 05:58:56,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 1231 transitions, 66062 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-29 05:58:56,655 INFO L241 Difference]: Finished difference. Result has 299 places, 1198 transitions, 63320 flow [2021-04-29 05:58:56,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=62710, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=802, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=63320, PETRI_PLACES=299, PETRI_TRANSITIONS=1198} [2021-04-29 05:58:56,656 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 243 predicate places. [2021-04-29 05:58:56,656 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:56,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 1198 transitions, 63320 flow [2021-04-29 05:58:56,657 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 1198 transitions, 63320 flow [2021-04-29 05:58:56,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 1198 transitions, 63320 flow [2021-04-29 05:58:58,169 INFO L129 PetriNetUnfolder]: 907/2784 cut-off events. [2021-04-29 05:58:58,170 INFO L130 PetriNetUnfolder]: For 183674/184120 co-relation queries the response was YES. [2021-04-29 05:58:58,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54810 conditions, 2784 events. 907/2784 cut-off events. For 183674/184120 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 28718 event pairs, 1 based on Foata normal form. 94/2876 useless extension candidates. Maximal degree in co-relation 54476. Up to 1099 conditions per place. [2021-04-29 05:58:58,222 INFO L146 LiptonReduction]: Number of co-enabled transitions 1362 [2021-04-29 05:58:58,651 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:58,652 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:58,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1996 [2021-04-29 05:58:58,652 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 1198 transitions, 63320 flow [2021-04-29 05:58:58,652 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) [2021-04-29 05:58:58,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:58,652 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] [2021-04-29 05:58:58,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-04-29 05:58:58,653 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:58,653 INFO L82 PathProgramCache]: Analyzing trace with hash -485109983, now seen corresponding path program 54 times [2021-04-29 05:58:58,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:58,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027759893] [2021-04-29 05:58:58,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:58,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:58,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:58,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:58,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:58,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027759893] [2021-04-29 05:58:58,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:58,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:58:58,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135482072] [2021-04-29 05:58:58,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:58:58,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:58,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:58:58,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:58:58,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:58:58,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 1198 transitions, 63320 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) [2021-04-29 05:58:58,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:58,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:58:58,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:02,119 INFO L129 PetriNetUnfolder]: 932/2838 cut-off events. [2021-04-29 05:59:02,120 INFO L130 PetriNetUnfolder]: For 190208/190262 co-relation queries the response was YES. [2021-04-29 05:59:02,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55393 conditions, 2838 events. 932/2838 cut-off events. For 190208/190262 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28718 event pairs, 99 based on Foata normal form. 113/2950 useless extension candidates. Maximal degree in co-relation 55076. Up to 1322 conditions per place. [2021-04-29 05:59:02,153 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 434 selfloop transitions, 552 changer transitions 88/1085 dead transitions. [2021-04-29 05:59:02,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 1085 transitions, 57308 flow [2021-04-29 05:59:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:59:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:59:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 304 transitions. [2021-04-29 05:59:02,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:59:02,154 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 304 transitions. [2021-04-29 05:59:02,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 304 transitions. [2021-04-29 05:59:02,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:02,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 304 transitions. [2021-04-29 05:59:02,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.0) internal successors, (304), 8 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:02,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:02,156 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:02,156 INFO L185 Difference]: Start difference. First operand has 299 places, 1198 transitions, 63320 flow. Second operand 8 states and 304 transitions. [2021-04-29 05:59:02,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 1085 transitions, 57308 flow [2021-04-29 05:59:02,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 1085 transitions, 56647 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 05:59:02,940 INFO L241 Difference]: Finished difference. Result has 302 places, 994 transitions, 50007 flow [2021-04-29 05:59:02,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=54161, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=552, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=50007, PETRI_PLACES=302, PETRI_TRANSITIONS=994} [2021-04-29 05:59:02,942 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 246 predicate places. [2021-04-29 05:59:02,942 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:02,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 994 transitions, 50007 flow [2021-04-29 05:59:02,942 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 994 transitions, 50007 flow [2021-04-29 05:59:02,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 994 transitions, 50007 flow [2021-04-29 05:59:04,159 INFO L129 PetriNetUnfolder]: 690/2242 cut-off events. [2021-04-29 05:59:04,159 INFO L130 PetriNetUnfolder]: For 149430/149621 co-relation queries the response was YES. [2021-04-29 05:59:04,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39898 conditions, 2242 events. 690/2242 cut-off events. For 149430/149621 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 22388 event pairs, 1 based on Foata normal form. 40/2281 useless extension candidates. Maximal degree in co-relation 39572. Up to 843 conditions per place. [2021-04-29 05:59:04,201 INFO L146 LiptonReduction]: Number of co-enabled transitions 1106 [2021-04-29 05:59:04,581 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:04,581 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:04,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1639 [2021-04-29 05:59:04,581 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 994 transitions, 50007 flow [2021-04-29 05:59:04,581 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) [2021-04-29 05:59:04,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:04,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:04,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-04-29 05:59:04,582 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:04,582 INFO L82 PathProgramCache]: Analyzing trace with hash -540001025, now seen corresponding path program 55 times [2021-04-29 05:59:04,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:04,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046892382] [2021-04-29 05:59:04,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:04,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:04,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:04,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:04,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046892382] [2021-04-29 05:59:04,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:04,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:59:04,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009929325] [2021-04-29 05:59:04,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:59:04,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:04,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:59:04,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:59:04,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:04,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 994 transitions, 50007 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) [2021-04-29 05:59:04,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:04,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:04,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:06,771 INFO L129 PetriNetUnfolder]: 621/2030 cut-off events. [2021-04-29 05:59:06,771 INFO L130 PetriNetUnfolder]: For 178106/178160 co-relation queries the response was YES. [2021-04-29 05:59:06,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39906 conditions, 2030 events. 621/2030 cut-off events. For 178106/178160 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 19686 event pairs, 53 based on Foata normal form. 109/2138 useless extension candidates. Maximal degree in co-relation 39670. Up to 827 conditions per place. [2021-04-29 05:59:06,791 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 339 selfloop transitions, 505 changer transitions 15/870 dead transitions. [2021-04-29 05:59:06,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 870 transitions, 47047 flow [2021-04-29 05:59:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:59:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:59:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 225 transitions. [2021-04-29 05:59:06,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5514705882352942 [2021-04-29 05:59:06,793 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 225 transitions. [2021-04-29 05:59:06,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 225 transitions. [2021-04-29 05:59:06,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:06,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 225 transitions. [2021-04-29 05:59:06,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:06,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:06,794 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:06,794 INFO L185 Difference]: Start difference. First operand has 302 places, 994 transitions, 50007 flow. Second operand 6 states and 225 transitions. [2021-04-29 05:59:06,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 870 transitions, 47047 flow [2021-04-29 05:59:07,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 870 transitions, 46618 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-04-29 05:59:07,339 INFO L241 Difference]: Finished difference. Result has 304 places, 852 transitions, 45646 flow [2021-04-29 05:59:07,340 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=44047, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=846, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=492, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=45646, PETRI_PLACES=304, PETRI_TRANSITIONS=852} [2021-04-29 05:59:07,340 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 248 predicate places. [2021-04-29 05:59:07,340 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:07,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 852 transitions, 45646 flow [2021-04-29 05:59:07,341 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 852 transitions, 45646 flow [2021-04-29 05:59:07,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 304 places, 852 transitions, 45646 flow [2021-04-29 05:59:07,929 INFO L129 PetriNetUnfolder]: 489/1685 cut-off events. [2021-04-29 05:59:07,930 INFO L130 PetriNetUnfolder]: For 135977/136216 co-relation queries the response was YES. [2021-04-29 05:59:07,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33059 conditions, 1685 events. 489/1685 cut-off events. For 135977/136216 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 16167 event pairs, 1 based on Foata normal form. 41/1725 useless extension candidates. Maximal degree in co-relation 32810. Up to 576 conditions per place. [2021-04-29 05:59:07,956 INFO L146 LiptonReduction]: Number of co-enabled transitions 784 [2021-04-29 05:59:08,163 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:08,163 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:08,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 823 [2021-04-29 05:59:08,163 INFO L480 AbstractCegarLoop]: Abstraction has has 304 places, 852 transitions, 45646 flow [2021-04-29 05:59:08,164 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) [2021-04-29 05:59:08,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:08,164 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:08,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-04-29 05:59:08,164 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:08,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:08,164 INFO L82 PathProgramCache]: Analyzing trace with hash -599982509, now seen corresponding path program 56 times [2021-04-29 05:59:08,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:08,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891476843] [2021-04-29 05:59:08,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:08,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:08,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:08,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:08,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:08,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:08,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:08,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:08,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:08,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:08,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:08,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891476843] [2021-04-29 05:59:08,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:08,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:59:08,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369526696] [2021-04-29 05:59:08,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:59:08,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:08,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:59:08,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:59:08,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:08,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 852 transitions, 45646 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) [2021-04-29 05:59:08,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:08,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:08,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:09,824 INFO L129 PetriNetUnfolder]: 512/1683 cut-off events. [2021-04-29 05:59:09,824 INFO L130 PetriNetUnfolder]: For 150391/150443 co-relation queries the response was YES. [2021-04-29 05:59:09,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35816 conditions, 1683 events. 512/1683 cut-off events. For 150391/150443 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 15748 event pairs, 6 based on Foata normal form. 38/1720 useless extension candidates. Maximal degree in co-relation 35610. Up to 500 conditions per place. [2021-04-29 05:59:09,843 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 122 selfloop transitions, 633 changer transitions 40/806 dead transitions. [2021-04-29 05:59:09,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 806 transitions, 45519 flow [2021-04-29 05:59:09,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 05:59:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 05:59:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 266 transitions. [2021-04-29 05:59:09,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2021-04-29 05:59:09,845 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 266 transitions. [2021-04-29 05:59:09,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 266 transitions. [2021-04-29 05:59:09,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:09,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 266 transitions. [2021-04-29 05:59:09,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.0) internal successors, (266), 7 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:09,847 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) [2021-04-29 05:59:09,847 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) [2021-04-29 05:59:09,847 INFO L185 Difference]: Start difference. First operand has 304 places, 852 transitions, 45646 flow. Second operand 7 states and 266 transitions. [2021-04-29 05:59:09,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 806 transitions, 45519 flow [2021-04-29 05:59:10,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 806 transitions, 44877 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-04-29 05:59:10,426 INFO L241 Difference]: Finished difference. Result has 305 places, 763 transitions, 43120 flow [2021-04-29 05:59:10,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=43207, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=633, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=43120, PETRI_PLACES=305, PETRI_TRANSITIONS=763} [2021-04-29 05:59:10,428 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 249 predicate places. [2021-04-29 05:59:10,428 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:10,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 763 transitions, 43120 flow [2021-04-29 05:59:10,428 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 763 transitions, 43120 flow [2021-04-29 05:59:10,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 305 places, 763 transitions, 43120 flow [2021-04-29 05:59:11,069 INFO L129 PetriNetUnfolder]: 424/1471 cut-off events. [2021-04-29 05:59:11,069 INFO L130 PetriNetUnfolder]: For 128144/128160 co-relation queries the response was YES. [2021-04-29 05:59:11,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30919 conditions, 1471 events. 424/1471 cut-off events. For 128144/128160 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13762 event pairs, 1 based on Foata normal form. 14/1485 useless extension candidates. Maximal degree in co-relation 30715. Up to 494 conditions per place. [2021-04-29 05:59:11,096 INFO L146 LiptonReduction]: Number of co-enabled transitions 672 [2021-04-29 05:59:11,266 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:11,266 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:11,266 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 838 [2021-04-29 05:59:11,266 INFO L480 AbstractCegarLoop]: Abstraction has has 305 places, 763 transitions, 43120 flow [2021-04-29 05:59:11,267 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) [2021-04-29 05:59:11,267 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:11,267 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:11,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-04-29 05:59:11,267 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:11,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:11,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1501657059, now seen corresponding path program 57 times [2021-04-29 05:59:11,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:11,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454605410] [2021-04-29 05:59:11,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:11,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:11,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:11,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:11,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:11,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454605410] [2021-04-29 05:59:11,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:11,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:59:11,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328836789] [2021-04-29 05:59:11,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:59:11,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:11,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:59:11,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:59:11,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:11,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 763 transitions, 43120 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) [2021-04-29 05:59:11,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:11,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:11,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:12,266 INFO L129 PetriNetUnfolder]: 232/988 cut-off events. [2021-04-29 05:59:12,266 INFO L130 PetriNetUnfolder]: For 132050/132227 co-relation queries the response was YES. [2021-04-29 05:59:12,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23633 conditions, 988 events. 232/988 cut-off events. For 132050/132227 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 9071 event pairs, 7 based on Foata normal form. 175/1162 useless extension candidates. Maximal degree in co-relation 23511. Up to 323 conditions per place. [2021-04-29 05:59:12,275 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 166 selfloop transitions, 183 changer transitions 160/520 dead transitions. [2021-04-29 05:59:12,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 520 transitions, 30640 flow [2021-04-29 05:59:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:59:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:59:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 336 transitions. [2021-04-29 05:59:12,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5490196078431373 [2021-04-29 05:59:12,277 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 336 transitions. [2021-04-29 05:59:12,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 336 transitions. [2021-04-29 05:59:12,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:12,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 336 transitions. [2021-04-29 05:59:12,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.333333333333336) internal successors, (336), 9 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) [2021-04-29 05:59:12,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:12,280 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:12,280 INFO L185 Difference]: Start difference. First operand has 305 places, 763 transitions, 43120 flow. Second operand 9 states and 336 transitions. [2021-04-29 05:59:12,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 520 transitions, 30640 flow [2021-04-29 05:59:12,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 520 transitions, 28885 flow, removed 15 selfloop flow, removed 9 redundant places. [2021-04-29 05:59:12,655 INFO L241 Difference]: Finished difference. Result has 304 places, 358 transitions, 16558 flow [2021-04-29 05:59:12,655 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=27787, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16558, PETRI_PLACES=304, PETRI_TRANSITIONS=358} [2021-04-29 05:59:12,656 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 248 predicate places. [2021-04-29 05:59:12,656 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:12,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 358 transitions, 16558 flow [2021-04-29 05:59:12,656 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 358 transitions, 16558 flow [2021-04-29 05:59:12,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 358 transitions, 16558 flow [2021-04-29 05:59:12,791 INFO L129 PetriNetUnfolder]: 148/618 cut-off events. [2021-04-29 05:59:12,792 INFO L130 PetriNetUnfolder]: For 43872/43874 co-relation queries the response was YES. [2021-04-29 05:59:12,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10923 conditions, 618 events. 148/618 cut-off events. For 43872/43874 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4805 event pairs, 1 based on Foata normal form. 2/620 useless extension candidates. Maximal degree in co-relation 10804. Up to 199 conditions per place. [2021-04-29 05:59:12,800 INFO L146 LiptonReduction]: Number of co-enabled transitions 210 [2021-04-29 05:59:12,838 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:12,838 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:12,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-04-29 05:59:12,839 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 358 transitions, 16558 flow [2021-04-29 05:59:12,839 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) [2021-04-29 05:59:12,839 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:12,839 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:12,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-04-29 05:59:12,840 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:12,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:12,840 INFO L82 PathProgramCache]: Analyzing trace with hash 5714743, now seen corresponding path program 58 times [2021-04-29 05:59:12,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:12,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180492228] [2021-04-29 05:59:12,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:12,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:12,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:12,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:12,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:12,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:12,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:12,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:12,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:12,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:12,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:12,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180492228] [2021-04-29 05:59:12,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:12,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:59:12,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867865168] [2021-04-29 05:59:12,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:59:12,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:12,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:59:12,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:59:12,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:12,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 358 transitions, 16558 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) [2021-04-29 05:59:12,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:12,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:12,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:13,319 INFO L129 PetriNetUnfolder]: 129/549 cut-off events. [2021-04-29 05:59:13,320 INFO L130 PetriNetUnfolder]: For 45354/45408 co-relation queries the response was YES. [2021-04-29 05:59:13,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11071 conditions, 549 events. 129/549 cut-off events. For 45354/45408 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4189 event pairs, 3 based on Foata normal form. 26/574 useless extension candidates. Maximal degree in co-relation 10977. Up to 159 conditions per place. [2021-04-29 05:59:13,324 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 64 selfloop transitions, 202 changer transitions 48/325 dead transitions. [2021-04-29 05:59:13,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 325 transitions, 16359 flow [2021-04-29 05:59:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:59:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:59:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 332 transitions. [2021-04-29 05:59:13,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5424836601307189 [2021-04-29 05:59:13,326 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 332 transitions. [2021-04-29 05:59:13,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 332 transitions. [2021-04-29 05:59:13,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:13,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 332 transitions. [2021-04-29 05:59:13,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 36.888888888888886) internal successors, (332), 9 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:13,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:13,327 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:13,327 INFO L185 Difference]: Start difference. First operand has 302 places, 358 transitions, 16558 flow. Second operand 9 states and 332 transitions. [2021-04-29 05:59:13,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 325 transitions, 16359 flow [2021-04-29 05:59:13,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 325 transitions, 14440 flow, removed 42 selfloop flow, removed 45 redundant places. [2021-04-29 05:59:13,531 INFO L241 Difference]: Finished difference. Result has 265 places, 275 transitions, 12612 flow [2021-04-29 05:59:13,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=13658, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=12612, PETRI_PLACES=265, PETRI_TRANSITIONS=275} [2021-04-29 05:59:13,532 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 209 predicate places. [2021-04-29 05:59:13,532 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:13,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 275 transitions, 12612 flow [2021-04-29 05:59:13,532 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 275 transitions, 12612 flow [2021-04-29 05:59:13,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 264 places, 275 transitions, 12612 flow [2021-04-29 05:59:13,615 INFO L129 PetriNetUnfolder]: 93/419 cut-off events. [2021-04-29 05:59:13,615 INFO L130 PetriNetUnfolder]: For 31857/31862 co-relation queries the response was YES. [2021-04-29 05:59:13,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7679 conditions, 419 events. 93/419 cut-off events. For 31857/31862 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2973 event pairs, 0 based on Foata normal form. 3/422 useless extension candidates. Maximal degree in co-relation 7594. Up to 119 conditions per place. [2021-04-29 05:59:13,621 INFO L146 LiptonReduction]: Number of co-enabled transitions 112 [2021-04-29 05:59:13,645 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:13,646 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:13,646 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-04-29 05:59:13,646 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 275 transitions, 12612 flow [2021-04-29 05:59:13,646 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) [2021-04-29 05:59:13,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:13,646 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:13,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-04-29 05:59:13,647 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:13,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:13,647 INFO L82 PathProgramCache]: Analyzing trace with hash 352594921, now seen corresponding path program 59 times [2021-04-29 05:59:13,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:13,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762757765] [2021-04-29 05:59:13,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:13,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:13,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:13,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:13,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:13,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762757765] [2021-04-29 05:59:13,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:13,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:59:13,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849842288] [2021-04-29 05:59:13,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:59:13,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:13,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:59:13,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:59:13,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:13,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 275 transitions, 12612 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) [2021-04-29 05:59:13,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:13,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:13,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:14,190 INFO L129 PetriNetUnfolder]: 69/345 cut-off events. [2021-04-29 05:59:14,190 INFO L130 PetriNetUnfolder]: For 32535/32591 co-relation queries the response was YES. [2021-04-29 05:59:14,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7573 conditions, 345 events. 69/345 cut-off events. For 32535/32591 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2458 event pairs, 3 based on Foata normal form. 28/372 useless extension candidates. Maximal degree in co-relation 7511. Up to 111 conditions per place. [2021-04-29 05:59:14,195 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 55 selfloop transitions, 79 changer transitions 95/240 dead transitions. [2021-04-29 05:59:14,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 240 transitions, 12175 flow [2021-04-29 05:59:14,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:59:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:59:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 398 transitions. [2021-04-29 05:59:14,197 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5320855614973262 [2021-04-29 05:59:14,197 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 398 transitions. [2021-04-29 05:59:14,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 398 transitions. [2021-04-29 05:59:14,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:14,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 398 transitions. [2021-04-29 05:59:14,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 36.18181818181818) internal successors, (398), 11 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:14,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 68.0) internal successors, (816), 12 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:14,199 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 68.0) internal successors, (816), 12 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:14,200 INFO L185 Difference]: Start difference. First operand has 264 places, 275 transitions, 12612 flow. Second operand 11 states and 398 transitions. [2021-04-29 05:59:14,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 240 transitions, 12175 flow [2021-04-29 05:59:14,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 240 transitions, 9802 flow, removed 2 selfloop flow, removed 48 redundant places. [2021-04-29 05:59:14,389 INFO L241 Difference]: Finished difference. Result has 223 places, 144 transitions, 4899 flow [2021-04-29 05:59:14,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=9233, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4899, PETRI_PLACES=223, PETRI_TRANSITIONS=144} [2021-04-29 05:59:14,390 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 167 predicate places. [2021-04-29 05:59:14,390 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:14,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 144 transitions, 4899 flow [2021-04-29 05:59:14,390 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 144 transitions, 4899 flow [2021-04-29 05:59:14,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 144 transitions, 4899 flow [2021-04-29 05:59:14,415 INFO L129 PetriNetUnfolder]: 40/185 cut-off events. [2021-04-29 05:59:14,415 INFO L130 PetriNetUnfolder]: For 8037/8038 co-relation queries the response was YES. [2021-04-29 05:59:14,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2742 conditions, 185 events. 40/185 cut-off events. For 8037/8038 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 954 event pairs, 0 based on Foata normal form. 1/186 useless extension candidates. Maximal degree in co-relation 2529. Up to 61 conditions per place. [2021-04-29 05:59:14,417 INFO L146 LiptonReduction]: Number of co-enabled transitions 26 [2021-04-29 05:59:14,424 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:14,424 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:14,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-29 05:59:14,425 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 144 transitions, 4899 flow [2021-04-29 05:59:14,425 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) [2021-04-29 05:59:14,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:14,425 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:14,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-04-29 05:59:14,425 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:14,426 INFO L82 PathProgramCache]: Analyzing trace with hash -739655573, now seen corresponding path program 60 times [2021-04-29 05:59:14,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:14,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941092535] [2021-04-29 05:59:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:14,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:14,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:14,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:14,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941092535] [2021-04-29 05:59:14,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:14,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:59:14,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134466902] [2021-04-29 05:59:14,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:59:14,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:14,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:59:14,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:59:14,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:14,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 144 transitions, 4899 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) [2021-04-29 05:59:14,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:14,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:14,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:14,664 INFO L129 PetriNetUnfolder]: 41/188 cut-off events. [2021-04-29 05:59:14,664 INFO L130 PetriNetUnfolder]: For 8332/8382 co-relation queries the response was YES. [2021-04-29 05:59:14,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2948 conditions, 188 events. 41/188 cut-off events. For 8332/8382 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 946 event pairs, 0 based on Foata normal form. 6/193 useless extension candidates. Maximal degree in co-relation 2673. Up to 59 conditions per place. [2021-04-29 05:59:14,665 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 10 selfloop transitions, 101 changer transitions 22/144 dead transitions. [2021-04-29 05:59:14,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 144 transitions, 5155 flow [2021-04-29 05:59:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:59:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:59:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 316 transitions. [2021-04-29 05:59:14,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5163398692810458 [2021-04-29 05:59:14,667 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 316 transitions. [2021-04-29 05:59:14,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 316 transitions. [2021-04-29 05:59:14,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:14,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 316 transitions. [2021-04-29 05:59:14,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 35.111111111111114) internal successors, (316), 9 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:14,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:14,668 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:14,668 INFO L185 Difference]: Start difference. First operand has 200 places, 144 transitions, 4899 flow. Second operand 9 states and 316 transitions. [2021-04-29 05:59:14,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 144 transitions, 5155 flow [2021-04-29 05:59:14,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 144 transitions, 3961 flow, removed 16 selfloop flow, removed 55 redundant places. [2021-04-29 05:59:14,711 INFO L241 Difference]: Finished difference. Result has 153 places, 120 transitions, 3251 flow [2021-04-29 05:59:14,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=3653, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3251, PETRI_PLACES=153, PETRI_TRANSITIONS=120} [2021-04-29 05:59:14,712 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 97 predicate places. [2021-04-29 05:59:14,712 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:14,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 120 transitions, 3251 flow [2021-04-29 05:59:14,712 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 120 transitions, 3251 flow [2021-04-29 05:59:14,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 120 transitions, 3251 flow [2021-04-29 05:59:14,741 INFO L129 PetriNetUnfolder]: 31/159 cut-off events. [2021-04-29 05:59:14,741 INFO L130 PetriNetUnfolder]: For 3938/3977 co-relation queries the response was YES. [2021-04-29 05:59:14,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 159 events. 31/159 cut-off events. For 3938/3977 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 772 event pairs, 0 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 1772. Up to 50 conditions per place. [2021-04-29 05:59:14,743 INFO L146 LiptonReduction]: Number of co-enabled transitions 22 [2021-04-29 05:59:14,752 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:14,752 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:14,752 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-04-29 05:59:14,753 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 120 transitions, 3251 flow [2021-04-29 05:59:14,753 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) [2021-04-29 05:59:14,753 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:14,753 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:14,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-04-29 05:59:14,753 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash 382266241, now seen corresponding path program 61 times [2021-04-29 05:59:14,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:14,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010498333] [2021-04-29 05:59:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:14,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:14,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:14,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:14,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:14,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010498333] [2021-04-29 05:59:14,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:14,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:59:14,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250843665] [2021-04-29 05:59:14,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:59:14,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:14,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:59:14,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:59:14,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:14,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 120 transitions, 3251 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) [2021-04-29 05:59:14,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:14,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:14,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:15,071 INFO L129 PetriNetUnfolder]: 30/158 cut-off events. [2021-04-29 05:59:15,072 INFO L130 PetriNetUnfolder]: For 3999/4047 co-relation queries the response was YES. [2021-04-29 05:59:15,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 158 events. 30/158 cut-off events. For 3999/4047 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 751 event pairs, 0 based on Foata normal form. 6/163 useless extension candidates. Maximal degree in co-relation 1900. Up to 57 conditions per place. [2021-04-29 05:59:15,072 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 36 selfloop transitions, 39 changer transitions 33/119 dead transitions. [2021-04-29 05:59:15,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 119 transitions, 3446 flow [2021-04-29 05:59:15,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:59:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:59:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 351 transitions. [2021-04-29 05:59:15,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5161764705882353 [2021-04-29 05:59:15,074 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 351 transitions. [2021-04-29 05:59:15,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 351 transitions. [2021-04-29 05:59:15,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:15,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 351 transitions. [2021-04-29 05:59:15,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.1) internal successors, (351), 10 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,076 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,076 INFO L185 Difference]: Start difference. First operand has 153 places, 120 transitions, 3251 flow. Second operand 10 states and 351 transitions. [2021-04-29 05:59:15,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 119 transitions, 3446 flow [2021-04-29 05:59:15,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 119 transitions, 2597 flow, removed 4 selfloop flow, removed 30 redundant places. [2021-04-29 05:59:15,101 INFO L241 Difference]: Finished difference. Result has 132 places, 85 transitions, 1559 flow [2021-04-29 05:59:15,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=2353, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1559, PETRI_PLACES=132, PETRI_TRANSITIONS=85} [2021-04-29 05:59:15,101 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 76 predicate places. [2021-04-29 05:59:15,101 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:15,102 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 85 transitions, 1559 flow [2021-04-29 05:59:15,102 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 85 transitions, 1559 flow [2021-04-29 05:59:15,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 85 transitions, 1559 flow [2021-04-29 05:59:15,112 INFO L129 PetriNetUnfolder]: 16/117 cut-off events. [2021-04-29 05:59:15,112 INFO L130 PetriNetUnfolder]: For 1539/1540 co-relation queries the response was YES. [2021-04-29 05:59:15,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 117 events. 16/117 cut-off events. For 1539/1540 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 497 event pairs, 0 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 868. Up to 36 conditions per place. [2021-04-29 05:59:15,113 INFO L146 LiptonReduction]: Number of co-enabled transitions 20 [2021-04-29 05:59:15,116 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:15,116 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:15,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 05:59:15,116 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 85 transitions, 1559 flow [2021-04-29 05:59:15,116 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) [2021-04-29 05:59:15,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:15,117 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:15,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-04-29 05:59:15,117 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:15,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:15,117 INFO L82 PathProgramCache]: Analyzing trace with hash 734903229, now seen corresponding path program 62 times [2021-04-29 05:59:15,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:15,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349323956] [2021-04-29 05:59:15,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:15,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:15,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:15,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349323956] [2021-04-29 05:59:15,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:15,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 05:59:15,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671953831] [2021-04-29 05:59:15,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 05:59:15,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:15,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 05:59:15,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-04-29 05:59:15,210 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:15,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 85 transitions, 1559 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) [2021-04-29 05:59:15,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:15,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:15,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:15,399 INFO L129 PetriNetUnfolder]: 15/115 cut-off events. [2021-04-29 05:59:15,399 INFO L130 PetriNetUnfolder]: For 1682/1720 co-relation queries the response was YES. [2021-04-29 05:59:15,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 115 events. 15/115 cut-off events. For 1682/1720 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 481 event pairs, 0 based on Foata normal form. 5/119 useless extension candidates. Maximal degree in co-relation 959. Up to 55 conditions per place. [2021-04-29 05:59:15,400 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 34 selfloop transitions, 7 changer transitions 32/84 dead transitions. [2021-04-29 05:59:15,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 84 transitions, 1705 flow [2021-04-29 05:59:15,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:59:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:59:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 367 transitions. [2021-04-29 05:59:15,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49064171122994654 [2021-04-29 05:59:15,402 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 367 transitions. [2021-04-29 05:59:15,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 367 transitions. [2021-04-29 05:59:15,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:15,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 367 transitions. [2021-04-29 05:59:15,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.36363636363637) internal successors, (367), 11 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 68.0) internal successors, (816), 12 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,405 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 68.0) internal successors, (816), 12 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,405 INFO L185 Difference]: Start difference. First operand has 129 places, 85 transitions, 1559 flow. Second operand 11 states and 367 transitions. [2021-04-29 05:59:15,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 84 transitions, 1705 flow [2021-04-29 05:59:15,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 84 transitions, 1224 flow, removed 10 selfloop flow, removed 37 redundant places. [2021-04-29 05:59:15,417 INFO L241 Difference]: Finished difference. Result has 102 places, 52 transitions, 618 flow [2021-04-29 05:59:15,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=618, PETRI_PLACES=102, PETRI_TRANSITIONS=52} [2021-04-29 05:59:15,417 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 46 predicate places. [2021-04-29 05:59:15,417 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:15,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 52 transitions, 618 flow [2021-04-29 05:59:15,418 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 52 transitions, 618 flow [2021-04-29 05:59:15,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 52 transitions, 618 flow [2021-04-29 05:59:15,426 INFO L129 PetriNetUnfolder]: 10/75 cut-off events. [2021-04-29 05:59:15,426 INFO L130 PetriNetUnfolder]: For 371/383 co-relation queries the response was YES. [2021-04-29 05:59:15,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 75 events. 10/75 cut-off events. For 371/383 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 198 event pairs, 0 based on Foata normal form. 1/76 useless extension candidates. Maximal degree in co-relation 368. Up to 25 conditions per place. [2021-04-29 05:59:15,427 INFO L146 LiptonReduction]: Number of co-enabled transitions 16 [2021-04-29 05:59:15,429 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:15,430 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:15,430 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-04-29 05:59:15,430 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 52 transitions, 618 flow [2021-04-29 05:59:15,431 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) [2021-04-29 05:59:15,431 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:15,431 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:15,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-04-29 05:59:15,431 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:15,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:15,431 INFO L82 PathProgramCache]: Analyzing trace with hash -359940495, now seen corresponding path program 63 times [2021-04-29 05:59:15,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:15,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962205283] [2021-04-29 05:59:15,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:15,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:15,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:15,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962205283] [2021-04-29 05:59:15,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:15,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:59:15,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814966463] [2021-04-29 05:59:15,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:59:15,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:15,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:59:15,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:59:15,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:15,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 52 transitions, 618 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) [2021-04-29 05:59:15,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:15,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:15,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:15,648 INFO L129 PetriNetUnfolder]: 10/67 cut-off events. [2021-04-29 05:59:15,648 INFO L130 PetriNetUnfolder]: For 391/403 co-relation queries the response was YES. [2021-04-29 05:59:15,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 67 events. 10/67 cut-off events. For 391/403 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 186 event pairs, 0 based on Foata normal form. 4/71 useless extension candidates. Maximal degree in co-relation 420. Up to 24 conditions per place. [2021-04-29 05:59:15,651 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 1 selfloop transitions, 28 changer transitions 11/51 dead transitions. [2021-04-29 05:59:15,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 51 transitions, 690 flow [2021-04-29 05:59:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 05:59:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 05:59:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 300 transitions. [2021-04-29 05:59:15,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49019607843137253 [2021-04-29 05:59:15,653 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 300 transitions. [2021-04-29 05:59:15,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 300 transitions. [2021-04-29 05:59:15,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:15,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 300 transitions. [2021-04-29 05:59:15,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 33.333333333333336) internal successors, (300), 9 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,659 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,660 INFO L185 Difference]: Start difference. First operand has 68 places, 52 transitions, 618 flow. Second operand 9 states and 300 transitions. [2021-04-29 05:59:15,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 51 transitions, 690 flow [2021-04-29 05:59:15,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 51 transitions, 464 flow, removed 25 selfloop flow, removed 18 redundant places. [2021-04-29 05:59:15,664 INFO L241 Difference]: Finished difference. Result has 58 places, 40 transitions, 334 flow [2021-04-29 05:59:15,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=334, PETRI_PLACES=58, PETRI_TRANSITIONS=40} [2021-04-29 05:59:15,664 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 2 predicate places. [2021-04-29 05:59:15,664 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:15,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 40 transitions, 334 flow [2021-04-29 05:59:15,665 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 40 transitions, 334 flow [2021-04-29 05:59:15,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 40 transitions, 334 flow [2021-04-29 05:59:15,671 INFO L129 PetriNetUnfolder]: 5/54 cut-off events. [2021-04-29 05:59:15,671 INFO L130 PetriNetUnfolder]: For 101/104 co-relation queries the response was YES. [2021-04-29 05:59:15,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 54 events. 5/54 cut-off events. For 101/104 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 140 event pairs, 0 based on Foata normal form. 1/55 useless extension candidates. Maximal degree in co-relation 208. Up to 12 conditions per place. [2021-04-29 05:59:15,674 INFO L146 LiptonReduction]: Number of co-enabled transitions 16 [2021-04-29 05:59:15,675 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:15,675 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:15,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-04-29 05:59:15,677 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 40 transitions, 334 flow [2021-04-29 05:59:15,678 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) [2021-04-29 05:59:15,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:15,678 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:15,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-04-29 05:59:15,678 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:59:15,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:15,679 INFO L82 PathProgramCache]: Analyzing trace with hash -424462023, now seen corresponding path program 64 times [2021-04-29 05:59:15,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:15,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802143435] [2021-04-29 05:59:15,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:15,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:15,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:15,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:15,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:15,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:15,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802143435] [2021-04-29 05:59:15,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:15,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:59:15,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326781676] [2021-04-29 05:59:15,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:59:15,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:15,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:59:15,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:59:15,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-04-29 05:59:15,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 40 transitions, 334 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) [2021-04-29 05:59:15,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:15,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-04-29 05:59:15,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:15,890 INFO L129 PetriNetUnfolder]: 5/46 cut-off events. [2021-04-29 05:59:15,891 INFO L130 PetriNetUnfolder]: For 124/140 co-relation queries the response was YES. [2021-04-29 05:59:15,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 46 events. 5/46 cut-off events. For 124/140 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 0 based on Foata normal form. 4/50 useless extension candidates. Maximal degree in co-relation 248. Up to 12 conditions per place. [2021-04-29 05:59:15,891 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2021-04-29 05:59:15,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 32 transitions, 365 flow [2021-04-29 05:59:15,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:59:15,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:59:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 323 transitions. [2021-04-29 05:59:15,893 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.475 [2021-04-29 05:59:15,894 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 323 transitions. [2021-04-29 05:59:15,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 323 transitions. [2021-04-29 05:59:15,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:15,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 323 transitions. [2021-04-29 05:59:15,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 32.3) internal successors, (323), 10 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,896 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:15,896 INFO L185 Difference]: Start difference. First operand has 57 places, 40 transitions, 334 flow. Second operand 10 states and 323 transitions. [2021-04-29 05:59:15,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 32 transitions, 365 flow [2021-04-29 05:59:15,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 32 transitions, 207 flow, removed 1 selfloop flow, removed 18 redundant places. [2021-04-29 05:59:15,898 INFO L241 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2021-04-29 05:59:15,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2021-04-29 05:59:15,899 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -15 predicate places. [2021-04-29 05:59:15,899 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:15,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 0 transitions, 0 flow [2021-04-29 05:59:15,899 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 0 transitions, 0 flow [2021-04-29 05:59:15,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 05:59:15,900 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 05:59:15,900 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 05:59:15,900 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. [2021-04-29 05:59:15,900 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 05:59:15,900 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:15,900 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:15,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-04-29 05:59:15,901 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 05:59:15,901 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) [2021-04-29 05:59:15,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-04-29 05:59:15,907 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 05:59:15 BasicIcfg [2021-04-29 05:59:15,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 05:59:15,908 INFO L168 Benchmark]: Toolchain (without parser) took 407714.49 ms. Allocated memory was 310.4 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 280.4 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-04-29 05:59:15,922 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 310.4 MB. Free memory is still 281.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 05:59:15,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.69 ms. Allocated memory is still 310.4 MB. Free memory was 277.3 MB in the beginning and 275.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 05:59:15,923 INFO L168 Benchmark]: Boogie Preprocessor took 20.83 ms. Allocated memory is still 310.4 MB. Free memory was 275.8 MB in the beginning and 274.9 MB in the end (delta: 928.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 05:59:15,923 INFO L168 Benchmark]: RCFGBuilder took 601.15 ms. Allocated memory is still 310.4 MB. Free memory was 274.8 MB in the beginning and 282.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.0 GB. [2021-04-29 05:59:15,923 INFO L168 Benchmark]: TraceAbstraction took 407000.80 ms. Allocated memory was 310.4 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 282.2 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-04-29 05:59:15,927 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 0.28 ms. Allocated memory is still 310.4 MB. Free memory is still 281.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 40.69 ms. Allocated memory is still 310.4 MB. Free memory was 277.3 MB in the beginning and 275.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.83 ms. Allocated memory is still 310.4 MB. Free memory was 275.8 MB in the beginning and 274.9 MB in the end (delta: 928.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 601.15 ms. Allocated memory is still 310.4 MB. Free memory was 274.8 MB in the beginning and 282.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 407000.80 ms. Allocated memory was 310.4 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 282.2 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2178.4ms, 55 PlacesBefore, 56 PlacesAfterwards, 39 TransitionsBefore, 40 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 22 TotalNumberOfCompositions, 3560 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1199, positive: 1079, positive conditional: 1079, positive unconditional: 0, negative: 120, negative conditional: 120, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 591, positive: 546, positive conditional: 0, positive unconditional: 546, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 591, positive: 546, positive conditional: 0, positive unconditional: 546, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 591, positive: 411, positive conditional: 0, positive unconditional: 411, negative: 180, negative conditional: 0, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 180, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1199, positive: 533, positive conditional: 533, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 591, unknown conditional: 591, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.1ms, 53 PlacesBefore, 42 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 426.3ms, 45 PlacesBefore, 39 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 559.7ms, 48 PlacesBefore, 48 PlacesAfterwards, 163 TransitionsBefore, 163 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 719.5ms, 53 PlacesBefore, 53 PlacesAfterwards, 225 TransitionsBefore, 225 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 693.3ms, 57 PlacesBefore, 57 PlacesAfterwards, 245 TransitionsBefore, 245 TransitionsAfterwards, 770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 682.0ms, 61 PlacesBefore, 61 PlacesAfterwards, 305 TransitionsBefore, 305 TransitionsAfterwards, 832 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 611.7ms, 65 PlacesBefore, 65 PlacesAfterwards, 378 TransitionsBefore, 378 TransitionsAfterwards, 834 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 674.7ms, 67 PlacesBefore, 67 PlacesAfterwards, 441 TransitionsBefore, 441 TransitionsAfterwards, 850 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 657.2ms, 69 PlacesBefore, 69 PlacesAfterwards, 477 TransitionsBefore, 477 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 660.5ms, 72 PlacesBefore, 72 PlacesAfterwards, 500 TransitionsBefore, 500 TransitionsAfterwards, 850 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 504.2ms, 76 PlacesBefore, 76 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 558.9ms, 79 PlacesBefore, 79 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 654 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 528.6ms, 82 PlacesBefore, 82 PlacesAfterwards, 486 TransitionsBefore, 486 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 808.6ms, 91 PlacesBefore, 91 PlacesAfterwards, 644 TransitionsBefore, 644 TransitionsAfterwards, 852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1196.7ms, 98 PlacesBefore, 98 PlacesAfterwards, 721 TransitionsBefore, 721 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1268.4ms, 108 PlacesBefore, 108 PlacesAfterwards, 857 TransitionsBefore, 857 TransitionsAfterwards, 1118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1576.2ms, 112 PlacesBefore, 112 PlacesAfterwards, 904 TransitionsBefore, 904 TransitionsAfterwards, 1144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1889.3ms, 119 PlacesBefore, 119 PlacesAfterwards, 952 TransitionsBefore, 952 TransitionsAfterwards, 1152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2048.9ms, 127 PlacesBefore, 127 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 1210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2015.8ms, 131 PlacesBefore, 131 PlacesAfterwards, 1096 TransitionsBefore, 1096 TransitionsAfterwards, 1404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2082.4ms, 132 PlacesBefore, 132 PlacesAfterwards, 1100 TransitionsBefore, 1100 TransitionsAfterwards, 1372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2144.8ms, 137 PlacesBefore, 137 PlacesAfterwards, 1130 TransitionsBefore, 1130 TransitionsAfterwards, 1376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2391.5ms, 139 PlacesBefore, 139 PlacesAfterwards, 1208 TransitionsBefore, 1208 TransitionsAfterwards, 1420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2435.2ms, 144 PlacesBefore, 144 PlacesAfterwards, 1223 TransitionsBefore, 1223 TransitionsAfterwards, 1426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2557.6ms, 146 PlacesBefore, 146 PlacesAfterwards, 1301 TransitionsBefore, 1301 TransitionsAfterwards, 1466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2781.7ms, 149 PlacesBefore, 149 PlacesAfterwards, 1362 TransitionsBefore, 1362 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3193.0ms, 155 PlacesBefore, 155 PlacesAfterwards, 1423 TransitionsBefore, 1423 TransitionsAfterwards, 1476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3354.8ms, 158 PlacesBefore, 158 PlacesAfterwards, 1458 TransitionsBefore, 1458 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3474.3ms, 163 PlacesBefore, 163 PlacesAfterwards, 1493 TransitionsBefore, 1493 TransitionsAfterwards, 1526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3650.6ms, 168 PlacesBefore, 168 PlacesAfterwards, 1530 TransitionsBefore, 1530 TransitionsAfterwards, 1572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4043.7ms, 175 PlacesBefore, 175 PlacesAfterwards, 1550 TransitionsBefore, 1550 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3250.3ms, 178 PlacesBefore, 178 PlacesAfterwards, 1491 TransitionsBefore, 1491 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3502.5ms, 186 PlacesBefore, 186 PlacesAfterwards, 1445 TransitionsBefore, 1445 TransitionsAfterwards, 1588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3615.7ms, 185 PlacesBefore, 185 PlacesAfterwards, 1458 TransitionsBefore, 1458 TransitionsAfterwards, 1558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3163.4ms, 189 PlacesBefore, 189 PlacesAfterwards, 1468 TransitionsBefore, 1468 TransitionsAfterwards, 1586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4196.8ms, 191 PlacesBefore, 191 PlacesAfterwards, 1450 TransitionsBefore, 1450 TransitionsAfterwards, 1544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3301.6ms, 198 PlacesBefore, 198 PlacesAfterwards, 1449 TransitionsBefore, 1449 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2809.5ms, 201 PlacesBefore, 201 PlacesAfterwards, 1460 TransitionsBefore, 1460 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3419.4ms, 204 PlacesBefore, 204 PlacesAfterwards, 1466 TransitionsBefore, 1466 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3519.8ms, 212 PlacesBefore, 212 PlacesAfterwards, 1459 TransitionsBefore, 1459 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3112.3ms, 225 PlacesBefore, 225 PlacesAfterwards, 1489 TransitionsBefore, 1489 TransitionsAfterwards, 1504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2907.2ms, 231 PlacesBefore, 227 PlacesAfterwards, 1374 TransitionsBefore, 1374 TransitionsAfterwards, 1506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3003.1ms, 231 PlacesBefore, 231 PlacesAfterwards, 1382 TransitionsBefore, 1382 TransitionsAfterwards, 1516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3028.5ms, 239 PlacesBefore, 239 PlacesAfterwards, 1387 TransitionsBefore, 1387 TransitionsAfterwards, 1530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3242.0ms, 244 PlacesBefore, 244 PlacesAfterwards, 1392 TransitionsBefore, 1392 TransitionsAfterwards, 1542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2681.3ms, 252 PlacesBefore, 252 PlacesAfterwards, 1390 TransitionsBefore, 1390 TransitionsAfterwards, 1576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3179.8ms, 257 PlacesBefore, 257 PlacesAfterwards, 1378 TransitionsBefore, 1378 TransitionsAfterwards, 1566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3690.5ms, 263 PlacesBefore, 263 PlacesAfterwards, 1345 TransitionsBefore, 1345 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3039.9ms, 275 PlacesBefore, 275 PlacesAfterwards, 1353 TransitionsBefore, 1353 TransitionsAfterwards, 1506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2409.4ms, 275 PlacesBefore, 275 PlacesAfterwards, 1288 TransitionsBefore, 1288 TransitionsAfterwards, 1404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2695.2ms, 281 PlacesBefore, 281 PlacesAfterwards, 1288 TransitionsBefore, 1288 TransitionsAfterwards, 1416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2199.4ms, 293 PlacesBefore, 293 PlacesAfterwards, 1267 TransitionsBefore, 1267 TransitionsAfterwards, 1390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1995.0ms, 299 PlacesBefore, 299 PlacesAfterwards, 1198 TransitionsBefore, 1198 TransitionsAfterwards, 1362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1638.4ms, 302 PlacesBefore, 302 PlacesAfterwards, 994 TransitionsBefore, 994 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 822.1ms, 304 PlacesBefore, 304 PlacesAfterwards, 852 TransitionsBefore, 852 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 837.7ms, 305 PlacesBefore, 305 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.4ms, 304 PlacesBefore, 302 PlacesAfterwards, 358 TransitionsBefore, 358 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.6ms, 265 PlacesBefore, 264 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.5ms, 223 PlacesBefore, 200 PlacesAfterwards, 144 TransitionsBefore, 144 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.7ms, 153 PlacesBefore, 153 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.1ms, 132 PlacesBefore, 129 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 20 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9ms, 102 PlacesBefore, 68 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.5ms, 58 PlacesBefore, 57 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9ms, 41 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): 591, Positive cache size: 546, Positive conditional cache size: 546, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, 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: 11.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 406756.8ms, OverallIterations: 64, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 277678.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2286.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 124 SDtfs, 294 SDslu, 20 SDs, 0 SdLazy, 12910 SolverSat, 2571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8587.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 740 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 578 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 4020.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=70755occurred in iteration=49, InterpolantAutomatonStates: 586, 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: 83.2ms SsaConstructionTime, 456.8ms SatisfiabilityAnalysisTime, 3671.9ms InterpolantComputationTime, 1472 NumberOfCodeBlocks, 1472 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 1408 ConstructedInterpolants, 0 QuantifiedInterpolants, 4208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 64 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...