/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 03:48:25,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 03:48:25,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 03:48:25,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 03:48:25,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 03:48:25,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 03:48:25,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 03:48:25,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 03:48:25,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 03:48:25,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 03:48:25,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 03:48:25,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 03:48:25,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 03:48:25,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 03:48:25,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 03:48:25,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 03:48:25,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 03:48:25,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 03:48:25,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 03:48:25,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 03:48:25,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 03:48:25,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 03:48:25,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 03:48:25,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 03:48:25,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 03:48:25,485 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 03:48:25,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 03:48:25,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 03:48:25,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 03:48:25,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 03:48:25,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 03:48:25,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 03:48:25,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 03:48:25,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 03:48:25,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 03:48:25,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 03:48:25,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 03:48:25,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 03:48:25,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 03:48:25,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 03:48:25,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 03:48:25,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 03:48:25,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:48:25,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 03:48:25,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 03:48:25,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 03:48:25,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 03:48:25,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 03:48:25,490 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 03:48:25,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 03:48:25,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 03:48:25,491 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 03:48:25,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 03:48:25,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 03:48:25,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 03:48:25,784 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 03:48:25,787 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 03:48:25,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl [2021-03-26 03:48:25,793 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl' [2021-03-26 03:48:25,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 03:48:25,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 03:48:25,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:25,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 03:48:25,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 03:48:25,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:25,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 03:48:25,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 03:48:25,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 03:48:25,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... [2021-03-26 03:48:25,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 03:48:25,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 03:48:25,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 03:48:25,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 03:48:25,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:48:25,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 03:48:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 03:48:25,920 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 03:48:25,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 03:48:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 03:48:25,921 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 03:48:25,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 03:48:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 03:48:25,921 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 03:48:25,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 03:48:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 03:48:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 03:48:25,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 03:48:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 03:48:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 03:48:25,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 03:48:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 03:48:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 03:48:25,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 03:48:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 03:48:25,923 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 03:48:25,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-26 03:48:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-26 03:48:25,923 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-26 03:48:25,924 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 03:48:26,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 03:48:26,071 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 03:48:26,073 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:26 BoogieIcfgContainer [2021-03-26 03:48:26,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 03:48:26,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 03:48:26,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 03:48:26,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 03:48:26,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:25" (1/2) ... [2021-03-26 03:48:26,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75efb0d2 and model type example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:48:26, skipping insertion in model container [2021-03-26 03:48:26,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:26" (2/2) ... [2021-03-26 03:48:26,079 INFO L111 eAbstractionObserver]: Analyzing ICFG example_7.bpl [2021-03-26 03:48:26,091 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 03:48:26,095 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 03:48:26,095 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 03:48:26,220 INFO L149 ThreadInstanceAdder]: Constructed 49 joinOtherThreadTransitions. [2021-03-26 03:48:26,235 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-26 03:48:26,273 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 03:48:26,274 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 03:48:26,274 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 03:48:26,274 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 03:48:26,274 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 03:48:26,274 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 03:48:26,274 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 03:48:26,274 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 03:48:26,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 80 transitions, 342 flow [2021-03-26 03:48:26,442 INFO L129 PetriNetUnfolder]: 321/472 cut-off events. [2021-03-26 03:48:26,442 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-03-26 03:48:26,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 472 events. 321/472 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1541 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2021-03-26 03:48:26,449 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 80 transitions, 342 flow [2021-03-26 03:48:26,460 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 71 transitions, 310 flow [2021-03-26 03:48:26,461 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:26,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 71 transitions, 310 flow [2021-03-26 03:48:26,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 71 transitions, 310 flow [2021-03-26 03:48:26,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 71 transitions, 310 flow [2021-03-26 03:48:26,527 INFO L129 PetriNetUnfolder]: 321/470 cut-off events. [2021-03-26 03:48:26,528 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-03-26 03:48:26,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 470 events. 321/470 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1573 event pairs, 0 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2021-03-26 03:48:26,539 INFO L142 LiptonReduction]: Number of co-enabled transitions 1260 [2021-03-26 03:48:26,702 INFO L154 LiptonReduction]: Checked pairs total: 357 [2021-03-26 03:48:26,702 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 03:48:26,704 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 244 [2021-03-26 03:48:26,761 INFO L129 PetriNetUnfolder]: 321/462 cut-off events. [2021-03-26 03:48:26,762 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-03-26 03:48:26,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:26,763 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] [2021-03-26 03:48:26,763 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:26,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:26,769 INFO L82 PathProgramCache]: Analyzing trace with hash 792718600, now seen corresponding path program 1 times [2021-03-26 03:48:26,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:26,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455958183] [2021-03-26 03:48:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:26,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:26,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:26,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:26,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455958183] [2021-03-26 03:48:26,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:26,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:26,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943073007] [2021-03-26 03:48:26,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:26,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:26,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:26,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:26,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 03:48:26,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 64 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:26,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 03:48:26,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,013 INFO L129 PetriNetUnfolder]: 135/220 cut-off events. [2021-03-26 03:48:27,014 INFO L130 PetriNetUnfolder]: For 391/391 co-relation queries the response was YES. [2021-03-26 03:48:27,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 220 events. 135/220 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 739 event pairs, 0 based on Foata normal form. 57/277 useless extension candidates. Maximal degree in co-relation 394. Up to 60 conditions per place. [2021-03-26 03:48:27,017 INFO L132 encePairwiseOnDemand]: 81/87 looper letters, 2 selfloop transitions, 1 changer transitions 0/59 dead transitions. [2021-03-26 03:48:27,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 59 transitions, 277 flow [2021-03-26 03:48:27,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 03:48:27,029 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 03:48:27,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,046 INFO L185 Difference]: Start difference. First operand has 44 places, 64 transitions, 296 flow. Second operand 3 states and 245 transitions. [2021-03-26 03:48:27,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 59 transitions, 277 flow [2021-03-26 03:48:27,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 59 transitions, 175 flow, removed 0 selfloop flow, removed 14 redundant places. [2021-03-26 03:48:27,054 INFO L241 Difference]: Finished difference. Result has 32 places, 59 transitions, 171 flow [2021-03-26 03:48:27,056 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=32, PETRI_TRANSITIONS=59} [2021-03-26 03:48:27,056 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -12 predicate places. [2021-03-26 03:48:27,057 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,057 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 59 transitions, 171 flow [2021-03-26 03:48:27,057 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 59 transitions, 171 flow [2021-03-26 03:48:27,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 59 transitions, 171 flow [2021-03-26 03:48:27,070 INFO L129 PetriNetUnfolder]: 135/220 cut-off events. [2021-03-26 03:48:27,071 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:27,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 220 events. 135/220 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 683 event pairs, 0 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 215. Up to 60 conditions per place. [2021-03-26 03:48:27,074 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-26 03:48:27,081 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 03:48:27,086 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 59 transitions, 171 flow [2021-03-26 03:48:27,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 03:48:27,087 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,088 INFO L82 PathProgramCache]: Analyzing trace with hash -814701548, now seen corresponding path program 1 times [2021-03-26 03:48:27,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117018801] [2021-03-26 03:48:27,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117018801] [2021-03-26 03:48:27,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:27,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42177337] [2021-03-26 03:48:27,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:27,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:27,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:27,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 03:48:27,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 59 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 03:48:27,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,182 INFO L129 PetriNetUnfolder]: 130/214 cut-off events. [2021-03-26 03:48:27,182 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-03-26 03:48:27,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 214 events. 130/214 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 721 event pairs, 0 based on Foata normal form. 1/215 useless extension candidates. Maximal degree in co-relation 241. Up to 60 conditions per place. [2021-03-26 03:48:27,184 INFO L132 encePairwiseOnDemand]: 85/87 looper letters, 6 selfloop transitions, 1 changer transitions 0/58 dead transitions. [2021-03-26 03:48:27,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 58 transitions, 182 flow [2021-03-26 03:48:27,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:27,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 03:48:27,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 03:48:27,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,194 INFO L185 Difference]: Start difference. First operand has 32 places, 59 transitions, 171 flow. Second operand 3 states and 245 transitions. [2021-03-26 03:48:27,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 58 transitions, 182 flow [2021-03-26 03:48:27,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 58 transitions, 181 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:27,197 INFO L241 Difference]: Finished difference. Result has 33 places, 58 transitions, 169 flow [2021-03-26 03:48:27,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=33, PETRI_TRANSITIONS=58} [2021-03-26 03:48:27,198 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -11 predicate places. [2021-03-26 03:48:27,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 58 transitions, 169 flow [2021-03-26 03:48:27,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 58 transitions, 169 flow [2021-03-26 03:48:27,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 58 transitions, 169 flow [2021-03-26 03:48:27,210 INFO L129 PetriNetUnfolder]: 130/214 cut-off events. [2021-03-26 03:48:27,211 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:27,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 214 events. 130/214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 651 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 218. Up to 60 conditions per place. [2021-03-26 03:48:27,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 456 [2021-03-26 03:48:27,218 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,219 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 03:48:27,220 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 58 transitions, 169 flow [2021-03-26 03:48:27,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 03:48:27,221 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1618123062, now seen corresponding path program 1 times [2021-03-26 03:48:27,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313453553] [2021-03-26 03:48:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:27,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313453553] [2021-03-26 03:48:27,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:27,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030669409] [2021-03-26 03:48:27,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:27,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:27,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:27,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 03:48:27,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 58 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 03:48:27,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,295 INFO L129 PetriNetUnfolder]: 106/184 cut-off events. [2021-03-26 03:48:27,296 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-26 03:48:27,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 184 events. 106/184 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 642 event pairs, 0 based on Foata normal form. 5/189 useless extension candidates. Maximal degree in co-relation 216. Up to 60 conditions per place. [2021-03-26 03:48:27,298 INFO L132 encePairwiseOnDemand]: 84/87 looper letters, 5 selfloop transitions, 1 changer transitions 0/56 dead transitions. [2021-03-26 03:48:27,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 56 transitions, 175 flow [2021-03-26 03:48:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 03:48:27,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 03:48:27,299 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,302 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,302 INFO L185 Difference]: Start difference. First operand has 33 places, 58 transitions, 169 flow. Second operand 3 states and 245 transitions. [2021-03-26 03:48:27,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 56 transitions, 175 flow [2021-03-26 03:48:27,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 56 transitions, 174 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:27,305 INFO L241 Difference]: Finished difference. Result has 34 places, 56 transitions, 164 flow [2021-03-26 03:48:27,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=34, PETRI_TRANSITIONS=56} [2021-03-26 03:48:27,306 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -10 predicate places. [2021-03-26 03:48:27,306 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 56 transitions, 164 flow [2021-03-26 03:48:27,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 56 transitions, 164 flow [2021-03-26 03:48:27,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 56 transitions, 164 flow [2021-03-26 03:48:27,317 INFO L129 PetriNetUnfolder]: 106/184 cut-off events. [2021-03-26 03:48:27,317 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:27,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 184 events. 106/184 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 554 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 189. Up to 60 conditions per place. [2021-03-26 03:48:27,319 INFO L142 LiptonReduction]: Number of co-enabled transitions 432 [2021-03-26 03:48:27,324 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,324 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 03:48:27,328 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 56 transitions, 164 flow [2021-03-26 03:48:27,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 03:48:27,329 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1847729876, now seen corresponding path program 1 times [2021-03-26 03:48:27,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371759382] [2021-03-26 03:48:27,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371759382] [2021-03-26 03:48:27,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:27,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382982617] [2021-03-26 03:48:27,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:27,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:27,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:27,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 03:48:27,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 56 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 03:48:27,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,397 INFO L129 PetriNetUnfolder]: 41/94 cut-off events. [2021-03-26 03:48:27,397 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-03-26 03:48:27,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 94 events. 41/94 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 255 event pairs, 0 based on Foata normal form. 20/114 useless extension candidates. Maximal degree in co-relation 107. Up to 20 conditions per place. [2021-03-26 03:48:27,398 INFO L132 encePairwiseOnDemand]: 82/87 looper letters, 3 selfloop transitions, 1 changer transitions 0/52 dead transitions. [2021-03-26 03:48:27,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 52 transitions, 160 flow [2021-03-26 03:48:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:27,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 03:48:27,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 03:48:27,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,402 INFO L185 Difference]: Start difference. First operand has 34 places, 56 transitions, 164 flow. Second operand 3 states and 245 transitions. [2021-03-26 03:48:27,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 52 transitions, 160 flow [2021-03-26 03:48:27,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 52 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:27,404 INFO L241 Difference]: Finished difference. Result has 35 places, 52 transitions, 153 flow [2021-03-26 03:48:27,404 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=35, PETRI_TRANSITIONS=52} [2021-03-26 03:48:27,404 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -9 predicate places. [2021-03-26 03:48:27,404 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 52 transitions, 153 flow [2021-03-26 03:48:27,405 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 52 transitions, 153 flow [2021-03-26 03:48:27,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 52 transitions, 153 flow [2021-03-26 03:48:27,412 INFO L129 PetriNetUnfolder]: 41/94 cut-off events. [2021-03-26 03:48:27,412 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:27,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 94 events. 41/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 240 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 100. Up to 20 conditions per place. [2021-03-26 03:48:27,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-26 03:48:27,417 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,417 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,418 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 03:48:27,420 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 52 transitions, 153 flow [2021-03-26 03:48:27,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,420 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,420 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 03:48:27,420 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1199705006, now seen corresponding path program 1 times [2021-03-26 03:48:27,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102281249] [2021-03-26 03:48:27,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:27,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102281249] [2021-03-26 03:48:27,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:27,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746874012] [2021-03-26 03:48:27,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:27,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:27,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:27,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 03:48:27,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 52 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 03:48:27,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,480 INFO L129 PetriNetUnfolder]: 21/64 cut-off events. [2021-03-26 03:48:27,480 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-03-26 03:48:27,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 64 events. 21/64 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 144 event pairs, 0 based on Foata normal form. 6/70 useless extension candidates. Maximal degree in co-relation 78. Up to 12 conditions per place. [2021-03-26 03:48:27,481 INFO L132 encePairwiseOnDemand]: 83/87 looper letters, 4 selfloop transitions, 1 changer transitions 0/49 dead transitions. [2021-03-26 03:48:27,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 49 transitions, 154 flow [2021-03-26 03:48:27,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 03:48:27,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 03:48:27,483 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,485 INFO L185 Difference]: Start difference. First operand has 35 places, 52 transitions, 153 flow. Second operand 3 states and 245 transitions. [2021-03-26 03:48:27,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 49 transitions, 154 flow [2021-03-26 03:48:27,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 49 transitions, 153 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:27,488 INFO L241 Difference]: Finished difference. Result has 36 places, 49 transitions, 145 flow [2021-03-26 03:48:27,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=36, PETRI_TRANSITIONS=49} [2021-03-26 03:48:27,489 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -8 predicate places. [2021-03-26 03:48:27,489 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 49 transitions, 145 flow [2021-03-26 03:48:27,489 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 49 transitions, 145 flow [2021-03-26 03:48:27,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 49 transitions, 145 flow [2021-03-26 03:48:27,493 INFO L129 PetriNetUnfolder]: 21/64 cut-off events. [2021-03-26 03:48:27,493 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:27,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 64 events. 21/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 134 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 71. Up to 12 conditions per place. [2021-03-26 03:48:27,494 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-26 03:48:27,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 03:48:27,501 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 49 transitions, 145 flow [2021-03-26 03:48:27,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 03:48:27,502 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1754835470, now seen corresponding path program 1 times [2021-03-26 03:48:27,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556810194] [2021-03-26 03:48:27,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:27,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556810194] [2021-03-26 03:48:27,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:27,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791877941] [2021-03-26 03:48:27,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:27,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:27,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:27,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 03:48:27,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 49 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 03:48:27,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,558 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 03:48:27,558 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 03:48:27,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 22 events. 0/22 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 6/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 03:48:27,559 INFO L132 encePairwiseOnDemand]: 80/87 looper letters, 1 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2021-03-26 03:48:27,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 22 transitions, 68 flow [2021-03-26 03:48:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 03:48:27,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 03:48:27,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 03:48:27,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,562 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,562 INFO L185 Difference]: Start difference. First operand has 36 places, 49 transitions, 145 flow. Second operand 3 states and 245 transitions. [2021-03-26 03:48:27,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 22 transitions, 68 flow [2021-03-26 03:48:27,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 22 transitions, 67 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:27,563 INFO L241 Difference]: Finished difference. Result has 37 places, 22 transitions, 65 flow [2021-03-26 03:48:27,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=65, PETRI_PLACES=37, PETRI_TRANSITIONS=22} [2021-03-26 03:48:27,563 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -7 predicate places. [2021-03-26 03:48:27,563 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 22 transitions, 65 flow [2021-03-26 03:48:27,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 22 transitions, 65 flow [2021-03-26 03:48:27,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 22 transitions, 65 flow [2021-03-26 03:48:27,566 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 03:48:27,567 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:27,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-26 03:48:27,567 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-26 03:48:27,568 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 03:48:27,569 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 22 transitions, 65 flow [2021-03-26 03:48:27,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 03:48:27,570 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,571 INFO L82 PathProgramCache]: Analyzing trace with hash 976181548, now seen corresponding path program 1 times [2021-03-26 03:48:27,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883139912] [2021-03-26 03:48:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:27,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:27,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:27,699 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:27,731 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:27,799 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:27,839 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:27,879 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883139912] [2021-03-26 03:48:27,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:27,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641313640] [2021-03-26 03:48:27,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:27,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:27,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:27,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:27,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 22 transitions, 65 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:27,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:28,047 INFO L129 PetriNetUnfolder]: 387/724 cut-off events. [2021-03-26 03:48:28,047 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:28,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1323 conditions, 724 events. 387/724 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 4118 event pairs, 129 based on Foata normal form. 1/669 useless extension candidates. Maximal degree in co-relation 1315. Up to 225 conditions per place. [2021-03-26 03:48:28,052 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 27 selfloop transitions, 6 changer transitions 1/48 dead transitions. [2021-03-26 03:48:28,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 48 transitions, 185 flow [2021-03-26 03:48:28,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:28,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:28,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:28,054 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:28,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,058 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,058 INFO L185 Difference]: Start difference. First operand has 37 places, 22 transitions, 65 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:28,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 48 transitions, 185 flow [2021-03-26 03:48:28,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:28,060 INFO L241 Difference]: Finished difference. Result has 51 places, 27 transitions, 111 flow [2021-03-26 03:48:28,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=111, PETRI_PLACES=51, PETRI_TRANSITIONS=27} [2021-03-26 03:48:28,060 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 7 predicate places. [2021-03-26 03:48:28,060 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:28,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 27 transitions, 111 flow [2021-03-26 03:48:28,060 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 27 transitions, 111 flow [2021-03-26 03:48:28,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 27 transitions, 111 flow [2021-03-26 03:48:28,067 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-03-26 03:48:28,067 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 03:48:28,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 67 events. 0/67 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 255 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-26 03:48:28,068 INFO L142 LiptonReduction]: Number of co-enabled transitions 192 [2021-03-26 03:48:28,069 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:28,069 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:28,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 03:48:28,070 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 27 transitions, 111 flow [2021-03-26 03:48:28,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:28,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:28,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 03:48:28,071 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:28,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:28,071 INFO L82 PathProgramCache]: Analyzing trace with hash 2007826080, now seen corresponding path program 2 times [2021-03-26 03:48:28,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:28,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414757053] [2021-03-26 03:48:28,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:28,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:28,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:28,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:28,121 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:28,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:28,143 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:28,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:28,170 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:28,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:28,203 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:28,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:28,241 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:28,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:28,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414757053] [2021-03-26 03:48:28,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:28,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:28,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481190070] [2021-03-26 03:48:28,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:28,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:28,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:28,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:28,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:28,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 27 transitions, 111 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:28,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:28,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:28,480 INFO L129 PetriNetUnfolder]: 453/1033 cut-off events. [2021-03-26 03:48:28,480 INFO L130 PetriNetUnfolder]: For 1007/1012 co-relation queries the response was YES. [2021-03-26 03:48:28,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2637 conditions, 1033 events. 453/1033 cut-off events. For 1007/1012 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6897 event pairs, 147 based on Foata normal form. 1/977 useless extension candidates. Maximal degree in co-relation 2622. Up to 297 conditions per place. [2021-03-26 03:48:28,490 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 38 selfloop transitions, 9 changer transitions 2/63 dead transitions. [2021-03-26 03:48:28,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 379 flow [2021-03-26 03:48:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:28,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:28,492 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:28,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,496 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,496 INFO L185 Difference]: Start difference. First operand has 50 places, 27 transitions, 111 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:28,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 379 flow [2021-03-26 03:48:28,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 63 transitions, 360 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:28,500 INFO L241 Difference]: Finished difference. Result has 63 places, 35 transitions, 201 flow [2021-03-26 03:48:28,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=201, PETRI_PLACES=63, PETRI_TRANSITIONS=35} [2021-03-26 03:48:28,500 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 19 predicate places. [2021-03-26 03:48:28,500 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:28,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 35 transitions, 201 flow [2021-03-26 03:48:28,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 35 transitions, 201 flow [2021-03-26 03:48:28,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 35 transitions, 201 flow [2021-03-26 03:48:28,520 INFO L129 PetriNetUnfolder]: 0/175 cut-off events. [2021-03-26 03:48:28,520 INFO L130 PetriNetUnfolder]: For 99/107 co-relation queries the response was YES. [2021-03-26 03:48:28,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 175 events. 0/175 cut-off events. For 99/107 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1208 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-03-26 03:48:28,522 INFO L142 LiptonReduction]: Number of co-enabled transitions 246 [2021-03-26 03:48:28,524 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:28,524 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:28,524 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 03:48:28,525 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 35 transitions, 201 flow [2021-03-26 03:48:28,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:28,526 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:28,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 03:48:28,526 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:28,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:28,526 INFO L82 PathProgramCache]: Analyzing trace with hash -326948672, now seen corresponding path program 3 times [2021-03-26 03:48:28,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:28,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945671626] [2021-03-26 03:48:28,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:28,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:28,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:28,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:28,600 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:28,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:28,612 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:28,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:28,630 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:28,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:28,653 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:28,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:28,688 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:28,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:28,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945671626] [2021-03-26 03:48:28,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:28,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:28,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242964516] [2021-03-26 03:48:28,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:28,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:28,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:28,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:28,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:28,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 35 transitions, 201 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:28,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:28,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:28,960 INFO L129 PetriNetUnfolder]: 535/1413 cut-off events. [2021-03-26 03:48:28,960 INFO L130 PetriNetUnfolder]: For 3422/3547 co-relation queries the response was YES. [2021-03-26 03:48:28,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4522 conditions, 1413 events. 535/1413 cut-off events. For 3422/3547 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 11134 event pairs, 164 based on Foata normal form. 1/1351 useless extension candidates. Maximal degree in co-relation 4501. Up to 408 conditions per place. [2021-03-26 03:48:28,974 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 49 selfloop transitions, 18 changer transitions 1/82 dead transitions. [2021-03-26 03:48:28,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 82 transitions, 663 flow [2021-03-26 03:48:28,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:28,977 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:28,977 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:28,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:28,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,981 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,981 INFO L185 Difference]: Start difference. First operand has 62 places, 35 transitions, 201 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:28,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 82 transitions, 663 flow [2021-03-26 03:48:28,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 82 transitions, 634 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:28,991 INFO L241 Difference]: Finished difference. Result has 75 places, 50 transitions, 411 flow [2021-03-26 03:48:28,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=411, PETRI_PLACES=75, PETRI_TRANSITIONS=50} [2021-03-26 03:48:28,991 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 31 predicate places. [2021-03-26 03:48:28,991 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:28,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 50 transitions, 411 flow [2021-03-26 03:48:28,991 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 50 transitions, 411 flow [2021-03-26 03:48:28,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 50 transitions, 411 flow [2021-03-26 03:48:29,030 INFO L129 PetriNetUnfolder]: 0/358 cut-off events. [2021-03-26 03:48:29,030 INFO L130 PetriNetUnfolder]: For 460/503 co-relation queries the response was YES. [2021-03-26 03:48:29,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 358 events. 0/358 cut-off events. For 460/503 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3284 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2021-03-26 03:48:29,034 INFO L142 LiptonReduction]: Number of co-enabled transitions 342 [2021-03-26 03:48:29,038 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:29,038 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:29,038 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 03:48:29,039 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 50 transitions, 411 flow [2021-03-26 03:48:29,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:29,041 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] [2021-03-26 03:48:29,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 03:48:29,041 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:29,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:29,041 INFO L82 PathProgramCache]: Analyzing trace with hash -762664422, now seen corresponding path program 4 times [2021-03-26 03:48:29,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:29,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844947799] [2021-03-26 03:48:29,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:29,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:29,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:29,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:29,104 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:29,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:29,118 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:29,143 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:29,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:29,177 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:29,212 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:29,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:29,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844947799] [2021-03-26 03:48:29,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:29,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:29,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794250684] [2021-03-26 03:48:29,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:29,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:29,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:29,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:29,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:29,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 50 transitions, 411 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:29,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:29,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:29,578 INFO L129 PetriNetUnfolder]: 640/1951 cut-off events. [2021-03-26 03:48:29,579 INFO L130 PetriNetUnfolder]: For 8582/8735 co-relation queries the response was YES. [2021-03-26 03:48:29,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7290 conditions, 1951 events. 640/1951 cut-off events. For 8582/8735 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 18283 event pairs, 193 based on Foata normal form. 1/1874 useless extension candidates. Maximal degree in co-relation 7263. Up to 552 conditions per place. [2021-03-26 03:48:29,597 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 67 selfloop transitions, 32 changer transitions 1/114 dead transitions. [2021-03-26 03:48:29,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 114 transitions, 1234 flow [2021-03-26 03:48:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:29,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:29,599 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:29,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:29,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:29,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:29,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,603 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,603 INFO L185 Difference]: Start difference. First operand has 74 places, 50 transitions, 411 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:29,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 114 transitions, 1234 flow [2021-03-26 03:48:29,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 114 transitions, 1206 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:29,624 INFO L241 Difference]: Finished difference. Result has 87 places, 77 transitions, 871 flow [2021-03-26 03:48:29,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=871, PETRI_PLACES=87, PETRI_TRANSITIONS=77} [2021-03-26 03:48:29,625 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 43 predicate places. [2021-03-26 03:48:29,625 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:29,625 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 77 transitions, 871 flow [2021-03-26 03:48:29,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 77 transitions, 871 flow [2021-03-26 03:48:29,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 77 transitions, 871 flow [2021-03-26 03:48:29,686 INFO L129 PetriNetUnfolder]: 0/589 cut-off events. [2021-03-26 03:48:29,687 INFO L130 PetriNetUnfolder]: For 1500/1711 co-relation queries the response was YES. [2021-03-26 03:48:29,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 589 events. 0/589 cut-off events. For 1500/1711 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6263 event pairs, 0 based on Foata normal form. 2/538 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place. [2021-03-26 03:48:29,693 INFO L142 LiptonReduction]: Number of co-enabled transitions 516 [2021-03-26 03:48:29,702 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:29,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:29,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-26 03:48:29,702 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 77 transitions, 871 flow [2021-03-26 03:48:29,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:29,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:29,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 03:48:29,703 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:29,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:29,703 INFO L82 PathProgramCache]: Analyzing trace with hash -121259338, now seen corresponding path program 5 times [2021-03-26 03:48:29,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:29,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156357924] [2021-03-26 03:48:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:29,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:29,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:29,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:29,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:29,781 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:29,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:29,807 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:29,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:29,830 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:29,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:29,859 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:29,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:29,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156357924] [2021-03-26 03:48:29,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:29,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:29,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111732550] [2021-03-26 03:48:29,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:29,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:29,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:29,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:29,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:29,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 77 transitions, 871 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:29,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:29,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:30,400 INFO L129 PetriNetUnfolder]: 780/2943 cut-off events. [2021-03-26 03:48:30,400 INFO L130 PetriNetUnfolder]: For 18048/18351 co-relation queries the response was YES. [2021-03-26 03:48:30,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11823 conditions, 2943 events. 780/2943 cut-off events. For 18048/18351 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 32929 event pairs, 261 based on Foata normal form. 1/2844 useless extension candidates. Maximal degree in co-relation 11790. Up to 800 conditions per place. [2021-03-26 03:48:30,427 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 83 selfloop transitions, 43 changer transitions 1/141 dead transitions. [2021-03-26 03:48:30,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 141 transitions, 1874 flow [2021-03-26 03:48:30,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:30,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:30,430 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:30,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:30,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:30,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:30,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,433 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,433 INFO L185 Difference]: Start difference. First operand has 86 places, 77 transitions, 871 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:30,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 141 transitions, 1874 flow [2021-03-26 03:48:30,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 141 transitions, 1844 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:30,478 INFO L241 Difference]: Finished difference. Result has 99 places, 96 transitions, 1294 flow [2021-03-26 03:48:30,478 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1294, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2021-03-26 03:48:30,479 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 55 predicate places. [2021-03-26 03:48:30,479 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:30,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 96 transitions, 1294 flow [2021-03-26 03:48:30,480 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 96 transitions, 1294 flow [2021-03-26 03:48:30,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 96 transitions, 1294 flow [2021-03-26 03:48:30,607 INFO L129 PetriNetUnfolder]: 0/1097 cut-off events. [2021-03-26 03:48:30,607 INFO L130 PetriNetUnfolder]: For 4292/4447 co-relation queries the response was YES. [2021-03-26 03:48:30,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3040 conditions, 1097 events. 0/1097 cut-off events. For 4292/4447 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 13702 event pairs, 0 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 0. Up to 113 conditions per place. [2021-03-26 03:48:30,619 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-26 03:48:30,632 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:30,633 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:30,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-03-26 03:48:30,633 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 96 transitions, 1294 flow [2021-03-26 03:48:30,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:30,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:30,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 03:48:30,634 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:30,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:30,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1992160978, now seen corresponding path program 6 times [2021-03-26 03:48:30,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:30,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395296034] [2021-03-26 03:48:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:30,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:30,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:30,691 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:30,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:30,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:30,711 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:30,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:30,730 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:30,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:30,754 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:30,785 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:30,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395296034] [2021-03-26 03:48:30,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:30,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:30,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599942100] [2021-03-26 03:48:30,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:30,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:30,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:30,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:30,814 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:30,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 96 transitions, 1294 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:30,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:30,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:31,369 INFO L129 PetriNetUnfolder]: 839/3202 cut-off events. [2021-03-26 03:48:31,370 INFO L130 PetriNetUnfolder]: For 28552/29372 co-relation queries the response was YES. [2021-03-26 03:48:31,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14722 conditions, 3202 events. 839/3202 cut-off events. For 28552/29372 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 36590 event pairs, 276 based on Foata normal form. 1/3086 useless extension candidates. Maximal degree in co-relation 14683. Up to 897 conditions per place. [2021-03-26 03:48:31,411 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 76 selfloop transitions, 55 changer transitions 2/147 dead transitions. [2021-03-26 03:48:31,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 147 transitions, 2208 flow [2021-03-26 03:48:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:31,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:31,413 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:31,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:31,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:31,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:31,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,416 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,416 INFO L185 Difference]: Start difference. First operand has 98 places, 96 transitions, 1294 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:31,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 147 transitions, 2208 flow [2021-03-26 03:48:31,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 147 transitions, 2130 flow, removed 26 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:31,470 INFO L241 Difference]: Finished difference. Result has 111 places, 119 transitions, 1824 flow [2021-03-26 03:48:31,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=1244, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1824, PETRI_PLACES=111, PETRI_TRANSITIONS=119} [2021-03-26 03:48:31,471 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 67 predicate places. [2021-03-26 03:48:31,471 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:31,471 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 119 transitions, 1824 flow [2021-03-26 03:48:31,471 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 119 transitions, 1824 flow [2021-03-26 03:48:31,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 119 transitions, 1824 flow [2021-03-26 03:48:31,629 INFO L129 PetriNetUnfolder]: 0/1226 cut-off events. [2021-03-26 03:48:31,629 INFO L130 PetriNetUnfolder]: For 6444/6798 co-relation queries the response was YES. [2021-03-26 03:48:31,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3662 conditions, 1226 events. 0/1226 cut-off events. For 6444/6798 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 15701 event pairs, 0 based on Foata normal form. 2/1128 useless extension candidates. Maximal degree in co-relation 0. Up to 132 conditions per place. [2021-03-26 03:48:31,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 730 [2021-03-26 03:48:31,664 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:31,664 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:31,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193 [2021-03-26 03:48:31,667 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 119 transitions, 1824 flow [2021-03-26 03:48:31,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:31,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:31,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 03:48:31,671 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:31,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:31,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1257254258, now seen corresponding path program 7 times [2021-03-26 03:48:31,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:31,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825309948] [2021-03-26 03:48:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:31,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:31,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:31,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:31,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:31,730 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:48:31,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:31,757 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:48:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:31,788 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:31,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:31,817 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:31,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:31,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825309948] [2021-03-26 03:48:31,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:31,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:31,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001731217] [2021-03-26 03:48:31,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:31,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:31,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:31,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:31,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:31,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 119 transitions, 1824 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:31,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:31,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:32,508 INFO L129 PetriNetUnfolder]: 849/3417 cut-off events. [2021-03-26 03:48:32,509 INFO L130 PetriNetUnfolder]: For 41834/43363 co-relation queries the response was YES. [2021-03-26 03:48:32,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17594 conditions, 3417 events. 849/3417 cut-off events. For 41834/43363 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 39762 event pairs, 377 based on Foata normal form. 4/3302 useless extension candidates. Maximal degree in co-relation 17549. Up to 903 conditions per place. [2021-03-26 03:48:32,555 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 110 selfloop transitions, 62 changer transitions 2/188 dead transitions. [2021-03-26 03:48:32,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 188 transitions, 3153 flow [2021-03-26 03:48:32,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:32,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:32,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:32,557 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:32,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:32,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:32,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:32,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,560 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,560 INFO L185 Difference]: Start difference. First operand has 110 places, 119 transitions, 1824 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:32,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 188 transitions, 3153 flow [2021-03-26 03:48:32,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 188 transitions, 2999 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:32,674 INFO L241 Difference]: Finished difference. Result has 122 places, 137 transitions, 2229 flow [2021-03-26 03:48:32,674 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=1741, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2229, PETRI_PLACES=122, PETRI_TRANSITIONS=137} [2021-03-26 03:48:32,674 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 78 predicate places. [2021-03-26 03:48:32,674 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:32,674 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 137 transitions, 2229 flow [2021-03-26 03:48:32,675 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 137 transitions, 2229 flow [2021-03-26 03:48:32,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 137 transitions, 2229 flow [2021-03-26 03:48:32,891 INFO L129 PetriNetUnfolder]: 0/1542 cut-off events. [2021-03-26 03:48:32,891 INFO L130 PetriNetUnfolder]: For 10349/10924 co-relation queries the response was YES. [2021-03-26 03:48:32,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4953 conditions, 1542 events. 0/1542 cut-off events. For 10349/10924 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 20966 event pairs, 0 based on Foata normal form. 4/1429 useless extension candidates. Maximal degree in co-relation 0. Up to 169 conditions per place. [2021-03-26 03:48:32,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 858 [2021-03-26 03:48:32,928 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:32,929 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:32,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-03-26 03:48:32,929 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 137 transitions, 2229 flow [2021-03-26 03:48:32,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,930 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:32,930 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:32,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 03:48:32,930 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:32,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:32,930 INFO L82 PathProgramCache]: Analyzing trace with hash -575836876, now seen corresponding path program 8 times [2021-03-26 03:48:32,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:32,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353007777] [2021-03-26 03:48:32,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:32,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:32,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:32,974 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:32,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:32,992 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:32,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:33,010 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:33,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:33,039 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:33,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:33,071 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:33,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:33,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353007777] [2021-03-26 03:48:33,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:33,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:33,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942626982] [2021-03-26 03:48:33,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:33,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:33,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:33,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:33,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:33,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 137 transitions, 2229 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:33,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:33,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:33,808 INFO L129 PetriNetUnfolder]: 852/3844 cut-off events. [2021-03-26 03:48:33,808 INFO L130 PetriNetUnfolder]: For 53608/56365 co-relation queries the response was YES. [2021-03-26 03:48:33,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20609 conditions, 3844 events. 852/3844 cut-off events. For 53608/56365 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 47513 event pairs, 345 based on Foata normal form. 6/3691 useless extension candidates. Maximal degree in co-relation 20559. Up to 1012 conditions per place. [2021-03-26 03:48:33,862 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 125 selfloop transitions, 80 changer transitions 1/220 dead transitions. [2021-03-26 03:48:33,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 220 transitions, 3893 flow [2021-03-26 03:48:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:33,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:33,865 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:33,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:33,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:33,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:33,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,868 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,868 INFO L185 Difference]: Start difference. First operand has 121 places, 137 transitions, 2229 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:33,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 220 transitions, 3893 flow [2021-03-26 03:48:33,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 220 transitions, 3749 flow, removed 52 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:34,000 INFO L241 Difference]: Finished difference. Result has 134 places, 169 transitions, 2991 flow [2021-03-26 03:48:34,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=2143, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2991, PETRI_PLACES=134, PETRI_TRANSITIONS=169} [2021-03-26 03:48:34,000 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 90 predicate places. [2021-03-26 03:48:34,000 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:34,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 169 transitions, 2991 flow [2021-03-26 03:48:34,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 169 transitions, 2991 flow [2021-03-26 03:48:34,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 169 transitions, 2991 flow [2021-03-26 03:48:34,297 INFO L129 PetriNetUnfolder]: 0/1933 cut-off events. [2021-03-26 03:48:34,297 INFO L130 PetriNetUnfolder]: For 16961/17733 co-relation queries the response was YES. [2021-03-26 03:48:34,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 1933 events. 0/1933 cut-off events. For 16961/17733 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 27565 event pairs, 0 based on Foata normal form. 8/1800 useless extension candidates. Maximal degree in co-relation 0. Up to 214 conditions per place. [2021-03-26 03:48:34,320 INFO L142 LiptonReduction]: Number of co-enabled transitions 1036 [2021-03-26 03:48:34,331 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:34,332 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:34,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 332 [2021-03-26 03:48:34,332 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 169 transitions, 2991 flow [2021-03-26 03:48:34,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:34,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:34,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 03:48:34,333 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:34,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1030299834, now seen corresponding path program 9 times [2021-03-26 03:48:34,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:34,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852454771] [2021-03-26 03:48:34,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:34,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:34,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:34,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:34,384 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:34,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:34,404 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:34,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:34,429 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:34,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:34,460 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:34,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852454771] [2021-03-26 03:48:34,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:34,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:34,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049078045] [2021-03-26 03:48:34,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:34,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:34,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:34,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:34,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:34,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 169 transitions, 2991 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:34,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:34,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:35,402 INFO L129 PetriNetUnfolder]: 843/4435 cut-off events. [2021-03-26 03:48:35,402 INFO L130 PetriNetUnfolder]: For 72449/74976 co-relation queries the response was YES. [2021-03-26 03:48:35,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24699 conditions, 4435 events. 843/4435 cut-off events. For 72449/74976 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 58981 event pairs, 337 based on Foata normal form. 12/4258 useless extension candidates. Maximal degree in co-relation 24643. Up to 1069 conditions per place. [2021-03-26 03:48:35,449 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 155 selfloop transitions, 96 changer transitions 1/266 dead transitions. [2021-03-26 03:48:35,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 266 transitions, 5123 flow [2021-03-26 03:48:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:35,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:35,452 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:35,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:35,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:35,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:35,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,455 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,455 INFO L185 Difference]: Start difference. First operand has 133 places, 169 transitions, 2991 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:35,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 266 transitions, 5123 flow [2021-03-26 03:48:35,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 266 transitions, 4915 flow, removed 84 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:35,634 INFO L241 Difference]: Finished difference. Result has 146 places, 213 transitions, 4043 flow [2021-03-26 03:48:35,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=2865, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4043, PETRI_PLACES=146, PETRI_TRANSITIONS=213} [2021-03-26 03:48:35,634 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 102 predicate places. [2021-03-26 03:48:35,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:35,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 213 transitions, 4043 flow [2021-03-26 03:48:35,635 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 213 transitions, 4043 flow [2021-03-26 03:48:35,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 213 transitions, 4043 flow [2021-03-26 03:48:36,079 INFO L129 PetriNetUnfolder]: 0/2525 cut-off events. [2021-03-26 03:48:36,080 INFO L130 PetriNetUnfolder]: For 26176/27116 co-relation queries the response was YES. [2021-03-26 03:48:36,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9056 conditions, 2525 events. 0/2525 cut-off events. For 26176/27116 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 37970 event pairs, 0 based on Foata normal form. 4/2390 useless extension candidates. Maximal degree in co-relation 0. Up to 278 conditions per place. [2021-03-26 03:48:36,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 03:48:36,116 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:36,116 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:36,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-03-26 03:48:36,117 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 213 transitions, 4043 flow [2021-03-26 03:48:36,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:36,117 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] [2021-03-26 03:48:36,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 03:48:36,117 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:36,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:36,118 INFO L82 PathProgramCache]: Analyzing trace with hash -407352836, now seen corresponding path program 10 times [2021-03-26 03:48:36,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:36,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132659451] [2021-03-26 03:48:36,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:36,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:36,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:36,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:36,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:36,164 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:36,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:36,185 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:36,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:36,209 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:36,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:36,241 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:36,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:36,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132659451] [2021-03-26 03:48:36,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:36,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:36,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006083384] [2021-03-26 03:48:36,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:36,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:36,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:36,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:36,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:36,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 213 transitions, 4043 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:36,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:36,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:37,154 INFO L129 PetriNetUnfolder]: 823/4619 cut-off events. [2021-03-26 03:48:37,155 INFO L130 PetriNetUnfolder]: For 90064/92699 co-relation queries the response was YES. [2021-03-26 03:48:37,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27481 conditions, 4619 events. 823/4619 cut-off events. For 90064/92699 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 62790 event pairs, 340 based on Foata normal form. 15/4453 useless extension candidates. Maximal degree in co-relation 27419. Up to 1087 conditions per place. [2021-03-26 03:48:37,195 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 171 selfloop transitions, 118 changer transitions 3/306 dead transitions. [2021-03-26 03:48:37,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 306 transitions, 6335 flow [2021-03-26 03:48:37,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:37,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:37,198 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:37,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:37,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:37,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:37,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,201 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,201 INFO L185 Difference]: Start difference. First operand has 145 places, 213 transitions, 4043 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:37,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 306 transitions, 6335 flow [2021-03-26 03:48:37,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 306 transitions, 6127 flow, removed 84 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:37,448 INFO L241 Difference]: Finished difference. Result has 158 places, 237 transitions, 4841 flow [2021-03-26 03:48:37,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=3891, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4841, PETRI_PLACES=158, PETRI_TRANSITIONS=237} [2021-03-26 03:48:37,449 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 114 predicate places. [2021-03-26 03:48:37,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:37,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 237 transitions, 4841 flow [2021-03-26 03:48:37,450 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 237 transitions, 4841 flow [2021-03-26 03:48:37,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 237 transitions, 4841 flow [2021-03-26 03:48:37,899 INFO L129 PetriNetUnfolder]: 0/2808 cut-off events. [2021-03-26 03:48:37,899 INFO L130 PetriNetUnfolder]: For 36854/38320 co-relation queries the response was YES. [2021-03-26 03:48:37,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10724 conditions, 2808 events. 0/2808 cut-off events. For 36854/38320 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 43215 event pairs, 0 based on Foata normal form. 4/2658 useless extension candidates. Maximal degree in co-relation 0. Up to 308 conditions per place. [2021-03-26 03:48:37,926 INFO L142 LiptonReduction]: Number of co-enabled transitions 1320 [2021-03-26 03:48:37,947 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:37,947 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:37,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-03-26 03:48:37,948 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 237 transitions, 4841 flow [2021-03-26 03:48:37,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:37,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:37,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 03:48:37,948 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:37,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:37,949 INFO L82 PathProgramCache]: Analyzing trace with hash -808104420, now seen corresponding path program 11 times [2021-03-26 03:48:37,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:37,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557449010] [2021-03-26 03:48:37,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:37,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:37,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:37,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:37,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:37,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:37,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:38,001 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:38,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:38,031 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:48:38,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:48:38,073 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:38,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:38,104 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:38,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:38,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557449010] [2021-03-26 03:48:38,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:38,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:38,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697179253] [2021-03-26 03:48:38,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:38,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:38,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:38,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:38,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:38,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 237 transitions, 4841 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:38,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:38,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:39,069 INFO L129 PetriNetUnfolder]: 806/4709 cut-off events. [2021-03-26 03:48:39,069 INFO L130 PetriNetUnfolder]: For 110621/115107 co-relation queries the response was YES. [2021-03-26 03:48:39,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29881 conditions, 4709 events. 806/4709 cut-off events. For 110621/115107 co-relation queries the response was YES. Maximal size of possible extension queue 671. Compared 64747 event pairs, 415 based on Foata normal form. 20/4544 useless extension candidates. Maximal degree in co-relation 29813. Up to 983 conditions per place. [2021-03-26 03:48:39,108 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 163 selfloop transitions, 129 changer transitions 2/308 dead transitions. [2021-03-26 03:48:39,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 308 transitions, 6847 flow [2021-03-26 03:48:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:39,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:39,110 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:39,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:39,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:39,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:39,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,113 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,113 INFO L185 Difference]: Start difference. First operand has 157 places, 237 transitions, 4841 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:39,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 308 transitions, 6847 flow [2021-03-26 03:48:39,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 308 transitions, 6635 flow, removed 86 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:39,490 INFO L241 Difference]: Finished difference. Result has 170 places, 251 transitions, 5501 flow [2021-03-26 03:48:39,491 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=4687, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5501, PETRI_PLACES=170, PETRI_TRANSITIONS=251} [2021-03-26 03:48:39,491 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 126 predicate places. [2021-03-26 03:48:39,491 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:39,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 251 transitions, 5501 flow [2021-03-26 03:48:39,492 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 251 transitions, 5501 flow [2021-03-26 03:48:39,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 251 transitions, 5501 flow [2021-03-26 03:48:39,902 INFO L129 PetriNetUnfolder]: 0/2972 cut-off events. [2021-03-26 03:48:39,902 INFO L130 PetriNetUnfolder]: For 46437/48168 co-relation queries the response was YES. [2021-03-26 03:48:39,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12040 conditions, 2972 events. 0/2972 cut-off events. For 46437/48168 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 46367 event pairs, 0 based on Foata normal form. 4/2810 useless extension candidates. Maximal degree in co-relation 0. Up to 333 conditions per place. [2021-03-26 03:48:39,930 INFO L142 LiptonReduction]: Number of co-enabled transitions 1450 [2021-03-26 03:48:39,948 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:39,948 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:39,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-03-26 03:48:39,949 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 251 transitions, 5501 flow [2021-03-26 03:48:39,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:39,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:39,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 03:48:39,949 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1473127532, now seen corresponding path program 12 times [2021-03-26 03:48:39,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:39,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882791989] [2021-03-26 03:48:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:39,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:39,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:39,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:39,982 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:39,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:40,005 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:40,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:40,024 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:40,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:40,049 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:40,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:40,080 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:40,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:40,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:40,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882791989] [2021-03-26 03:48:40,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:40,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:40,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051892962] [2021-03-26 03:48:40,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:40,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:40,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:40,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:40,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:40,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 251 transitions, 5501 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:40,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:40,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,180 INFO L129 PetriNetUnfolder]: 783/5096 cut-off events. [2021-03-26 03:48:41,180 INFO L130 PetriNetUnfolder]: For 129061/133488 co-relation queries the response was YES. [2021-03-26 03:48:41,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32631 conditions, 5096 events. 783/5096 cut-off events. For 129061/133488 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 72769 event pairs, 292 based on Foata normal form. 32/4870 useless extension candidates. Maximal degree in co-relation 32557. Up to 1106 conditions per place. [2021-03-26 03:48:41,231 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 182 selfloop transitions, 152 changer transitions 1/349 dead transitions. [2021-03-26 03:48:41,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 349 transitions, 8369 flow [2021-03-26 03:48:41,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:41,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:41,233 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:41,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:41,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:41,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,236 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,236 INFO L185 Difference]: Start difference. First operand has 169 places, 251 transitions, 5501 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:41,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 349 transitions, 8369 flow [2021-03-26 03:48:41,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 349 transitions, 8114 flow, removed 106 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:41,724 INFO L241 Difference]: Finished difference. Result has 180 places, 282 transitions, 6572 flow [2021-03-26 03:48:41,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=5337, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6572, PETRI_PLACES=180, PETRI_TRANSITIONS=282} [2021-03-26 03:48:41,724 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 136 predicate places. [2021-03-26 03:48:41,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 282 transitions, 6572 flow [2021-03-26 03:48:41,724 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 282 transitions, 6572 flow [2021-03-26 03:48:41,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 282 transitions, 6572 flow [2021-03-26 03:48:42,194 INFO L129 PetriNetUnfolder]: 0/3281 cut-off events. [2021-03-26 03:48:42,195 INFO L130 PetriNetUnfolder]: For 55908/57404 co-relation queries the response was YES. [2021-03-26 03:48:42,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13811 conditions, 3281 events. 0/3281 cut-off events. For 55908/57404 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 52040 event pairs, 0 based on Foata normal form. 4/3121 useless extension candidates. Maximal degree in co-relation 0. Up to 366 conditions per place. [2021-03-26 03:48:42,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 1566 [2021-03-26 03:48:42,256 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 533 [2021-03-26 03:48:42,257 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 282 transitions, 6572 flow [2021-03-26 03:48:42,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 03:48:42,258 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1237463442, now seen corresponding path program 13 times [2021-03-26 03:48:42,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195535905] [2021-03-26 03:48:42,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,281 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:42,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:42,290 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:42,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:42,302 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:42,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:42,330 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:48:42,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:48:42,373 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:42,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:42,403 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:42,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195535905] [2021-03-26 03:48:42,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:42,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318233409] [2021-03-26 03:48:42,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:42,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:42,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:42,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:42,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 282 transitions, 6572 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:42,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,514 INFO L129 PetriNetUnfolder]: 777/5002 cut-off events. [2021-03-26 03:48:43,514 INFO L130 PetriNetUnfolder]: For 138838/143557 co-relation queries the response was YES. [2021-03-26 03:48:43,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33484 conditions, 5002 events. 777/5002 cut-off events. For 138838/143557 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 70959 event pairs, 442 based on Foata normal form. 23/4815 useless extension candidates. Maximal degree in co-relation 33406. Up to 982 conditions per place. [2021-03-26 03:48:43,564 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 174 selfloop transitions, 165 changer transitions 1/354 dead transitions. [2021-03-26 03:48:43,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 354 transitions, 8885 flow [2021-03-26 03:48:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:43,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:43,566 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:43,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:43,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:43,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,569 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,569 INFO L185 Difference]: Start difference. First operand has 179 places, 282 transitions, 6572 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:43,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 354 transitions, 8885 flow [2021-03-26 03:48:43,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 354 transitions, 8502 flow, removed 107 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:43,934 INFO L241 Difference]: Finished difference. Result has 190 places, 295 transitions, 7135 flow [2021-03-26 03:48:43,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=6309, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7135, PETRI_PLACES=190, PETRI_TRANSITIONS=295} [2021-03-26 03:48:43,935 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 146 predicate places. [2021-03-26 03:48:43,935 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 295 transitions, 7135 flow [2021-03-26 03:48:43,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 295 transitions, 7135 flow [2021-03-26 03:48:43,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 295 transitions, 7135 flow [2021-03-26 03:48:44,414 INFO L129 PetriNetUnfolder]: 0/3335 cut-off events. [2021-03-26 03:48:44,414 INFO L130 PetriNetUnfolder]: For 62581/63974 co-relation queries the response was YES. [2021-03-26 03:48:44,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14606 conditions, 3335 events. 0/3335 cut-off events. For 62581/63974 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 53185 event pairs, 0 based on Foata normal form. 4/3178 useless extension candidates. Maximal degree in co-relation 0. Up to 372 conditions per place. [2021-03-26 03:48:44,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 1694 [2021-03-26 03:48:44,467 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,467 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 532 [2021-03-26 03:48:44,468 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 295 transitions, 7135 flow [2021-03-26 03:48:44,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:44,468 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:44,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 03:48:44,468 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:44,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:44,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2007168412, now seen corresponding path program 14 times [2021-03-26 03:48:44,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:44,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950260049] [2021-03-26 03:48:44,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:44,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:44,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:44,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:44,502 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:44,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:44,516 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:44,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:44,533 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:44,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:44,562 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:44,598 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:44,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:44,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950260049] [2021-03-26 03:48:44,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:44,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:44,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392392437] [2021-03-26 03:48:44,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:44,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:44,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:44,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:44,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:44,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 295 transitions, 7135 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:44,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:44,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:45,701 INFO L129 PetriNetUnfolder]: 781/5121 cut-off events. [2021-03-26 03:48:45,701 INFO L130 PetriNetUnfolder]: For 142660/147849 co-relation queries the response was YES. [2021-03-26 03:48:45,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34015 conditions, 5121 events. 781/5121 cut-off events. For 142660/147849 co-relation queries the response was YES. Maximal size of possible extension queue 723. Compared 73317 event pairs, 431 based on Foata normal form. 34/4921 useless extension candidates. Maximal degree in co-relation 33932. Up to 1106 conditions per place. [2021-03-26 03:48:45,745 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 157 selfloop transitions, 193 changer transitions 1/365 dead transitions. [2021-03-26 03:48:45,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 365 transitions, 9614 flow [2021-03-26 03:48:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:45,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:45,747 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:45,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:45,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:45,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:45,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:45,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:45,750 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:45,750 INFO L185 Difference]: Start difference. First operand has 189 places, 295 transitions, 7135 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:45,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 365 transitions, 9614 flow [2021-03-26 03:48:46,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 365 transitions, 9247 flow, removed 76 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:46,213 INFO L241 Difference]: Finished difference. Result has 200 places, 335 transitions, 8647 flow [2021-03-26 03:48:46,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=6860, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8647, PETRI_PLACES=200, PETRI_TRANSITIONS=335} [2021-03-26 03:48:46,214 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 156 predicate places. [2021-03-26 03:48:46,214 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:46,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 335 transitions, 8647 flow [2021-03-26 03:48:46,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 335 transitions, 8647 flow [2021-03-26 03:48:46,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 335 transitions, 8647 flow [2021-03-26 03:48:46,665 INFO L129 PetriNetUnfolder]: 0/3479 cut-off events. [2021-03-26 03:48:46,665 INFO L130 PetriNetUnfolder]: For 70532/72132 co-relation queries the response was YES. [2021-03-26 03:48:46,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15734 conditions, 3479 events. 0/3479 cut-off events. For 70532/72132 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 55828 event pairs, 0 based on Foata normal form. 7/3315 useless extension candidates. Maximal degree in co-relation 0. Up to 391 conditions per place. [2021-03-26 03:48:46,698 INFO L142 LiptonReduction]: Number of co-enabled transitions 1862 [2021-03-26 03:48:46,717 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:46,717 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:46,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 03:48:46,718 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 335 transitions, 8647 flow [2021-03-26 03:48:46,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:46,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:46,719 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:46,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 03:48:46,719 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:46,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:46,719 INFO L82 PathProgramCache]: Analyzing trace with hash 123343342, now seen corresponding path program 15 times [2021-03-26 03:48:46,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:46,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48123289] [2021-03-26 03:48:46,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:46,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:46,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:46,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:46,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:46,742 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:46,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:46,750 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:46,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:46,764 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:46,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:46,779 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:46,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:46,802 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:46,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:46,835 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:46,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:46,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48123289] [2021-03-26 03:48:46,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:46,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:46,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682228730] [2021-03-26 03:48:46,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:46,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:46,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:46,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:46,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:46,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 335 transitions, 8647 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:46,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:46,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:46,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:47,978 INFO L129 PetriNetUnfolder]: 774/5250 cut-off events. [2021-03-26 03:48:47,978 INFO L130 PetriNetUnfolder]: For 152098/156880 co-relation queries the response was YES. [2021-03-26 03:48:48,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35182 conditions, 5250 events. 774/5250 cut-off events. For 152098/156880 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 76148 event pairs, 531 based on Foata normal form. 30/5021 useless extension candidates. Maximal degree in co-relation 35094. Up to 982 conditions per place. [2021-03-26 03:48:48,030 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 150 selfloop transitions, 231 changer transitions 1/396 dead transitions. [2021-03-26 03:48:48,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 396 transitions, 10843 flow [2021-03-26 03:48:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:48,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:48,031 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:48,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:48,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:48,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:48,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:48,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:48,034 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:48,034 INFO L185 Difference]: Start difference. First operand has 199 places, 335 transitions, 8647 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:48,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 396 transitions, 10843 flow [2021-03-26 03:48:48,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 396 transitions, 10530 flow, removed 72 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:48,577 INFO L241 Difference]: Finished difference. Result has 209 places, 361 transitions, 9708 flow [2021-03-26 03:48:48,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=8406, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9708, PETRI_PLACES=209, PETRI_TRANSITIONS=361} [2021-03-26 03:48:48,578 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 165 predicate places. [2021-03-26 03:48:48,578 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:48,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 361 transitions, 9708 flow [2021-03-26 03:48:48,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 361 transitions, 9708 flow [2021-03-26 03:48:48,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 361 transitions, 9708 flow [2021-03-26 03:48:49,098 INFO L129 PetriNetUnfolder]: 0/3613 cut-off events. [2021-03-26 03:48:49,098 INFO L130 PetriNetUnfolder]: For 78835/80450 co-relation queries the response was YES. [2021-03-26 03:48:49,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16725 conditions, 3613 events. 0/3613 cut-off events. For 78835/80450 co-relation queries the response was YES. Maximal size of possible extension queue 574. Compared 58392 event pairs, 0 based on Foata normal form. 7/3449 useless extension candidates. Maximal degree in co-relation 0. Up to 406 conditions per place. [2021-03-26 03:48:49,130 INFO L142 LiptonReduction]: Number of co-enabled transitions 1998 [2021-03-26 03:48:49,161 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:49,161 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:49,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 584 [2021-03-26 03:48:49,162 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 361 transitions, 9708 flow [2021-03-26 03:48:49,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:49,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:49,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 03:48:49,163 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:49,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:49,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2117955118, now seen corresponding path program 16 times [2021-03-26 03:48:49,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:49,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496876523] [2021-03-26 03:48:49,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:49,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:49,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:49,185 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:49,194 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:49,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:49,208 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:49,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:49,225 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:49,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:49,249 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:49,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:49,281 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:49,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:49,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496876523] [2021-03-26 03:48:49,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:49,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:49,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127794101] [2021-03-26 03:48:49,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:49,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:49,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:49,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:49,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:49,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 361 transitions, 9708 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:49,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:49,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:50,476 INFO L129 PetriNetUnfolder]: 763/5329 cut-off events. [2021-03-26 03:48:50,476 INFO L130 PetriNetUnfolder]: For 154412/160333 co-relation queries the response was YES. [2021-03-26 03:48:50,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35737 conditions, 5329 events. 763/5329 cut-off events. For 154412/160333 co-relation queries the response was YES. Maximal size of possible extension queue 756. Compared 77522 event pairs, 461 based on Foata normal form. 40/5106 useless extension candidates. Maximal degree in co-relation 35645. Up to 1144 conditions per place. [2021-03-26 03:48:50,528 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 116 selfloop transitions, 280 changer transitions 4/414 dead transitions. [2021-03-26 03:48:50,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 414 transitions, 11717 flow [2021-03-26 03:48:50,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:50,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:50,530 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:50,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:50,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:50,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:50,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,532 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,532 INFO L185 Difference]: Start difference. First operand has 208 places, 361 transitions, 9708 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:50,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 414 transitions, 11717 flow [2021-03-26 03:48:51,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 414 transitions, 11149 flow, removed 95 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:51,047 INFO L241 Difference]: Finished difference. Result has 218 places, 382 transitions, 10639 flow [2021-03-26 03:48:51,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=9200, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=10639, PETRI_PLACES=218, PETRI_TRANSITIONS=382} [2021-03-26 03:48:51,047 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 174 predicate places. [2021-03-26 03:48:51,047 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:51,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 382 transitions, 10639 flow [2021-03-26 03:48:51,047 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 382 transitions, 10639 flow [2021-03-26 03:48:51,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 382 transitions, 10639 flow [2021-03-26 03:48:51,573 INFO L129 PetriNetUnfolder]: 0/3692 cut-off events. [2021-03-26 03:48:51,573 INFO L130 PetriNetUnfolder]: For 84472/86331 co-relation queries the response was YES. [2021-03-26 03:48:51,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17377 conditions, 3692 events. 0/3692 cut-off events. For 84472/86331 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 59848 event pairs, 0 based on Foata normal form. 13/3522 useless extension candidates. Maximal degree in co-relation 0. Up to 417 conditions per place. [2021-03-26 03:48:51,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 2130 [2021-03-26 03:48:51,648 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:51,648 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:51,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 601 [2021-03-26 03:48:51,648 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 382 transitions, 10639 flow [2021-03-26 03:48:51,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:51,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:51,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 03:48:51,649 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:51,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:51,649 INFO L82 PathProgramCache]: Analyzing trace with hash -2132336940, now seen corresponding path program 17 times [2021-03-26 03:48:51,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:51,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017654170] [2021-03-26 03:48:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:51,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:51,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:51,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:51,686 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:51,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:51,695 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:51,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:51,708 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:51,724 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:51,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:51,752 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:51,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:51,779 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:51,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:51,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017654170] [2021-03-26 03:48:51,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:51,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:51,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509912582] [2021-03-26 03:48:51,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:51,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:51,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:51,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:51,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:51,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 382 transitions, 10639 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:51,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:51,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:53,113 INFO L129 PetriNetUnfolder]: 756/5372 cut-off events. [2021-03-26 03:48:53,114 INFO L130 PetriNetUnfolder]: For 160127/166007 co-relation queries the response was YES. [2021-03-26 03:48:53,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36292 conditions, 5372 events. 756/5372 cut-off events. For 160127/166007 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 78536 event pairs, 458 based on Foata normal form. 44/5148 useless extension candidates. Maximal degree in co-relation 36195. Up to 1144 conditions per place. [2021-03-26 03:48:53,156 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 117 selfloop transitions, 285 changer transitions 1/417 dead transitions. [2021-03-26 03:48:53,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 417 transitions, 12220 flow [2021-03-26 03:48:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:53,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:53,158 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:53,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:53,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:53,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:53,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,160 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,160 INFO L185 Difference]: Start difference. First operand has 217 places, 382 transitions, 10639 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:53,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 417 transitions, 12220 flow [2021-03-26 03:48:53,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 417 transitions, 11882 flow, removed 60 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:53,653 INFO L241 Difference]: Finished difference. Result has 226 places, 397 transitions, 11453 flow [2021-03-26 03:48:53,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=10347, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11453, PETRI_PLACES=226, PETRI_TRANSITIONS=397} [2021-03-26 03:48:53,653 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 182 predicate places. [2021-03-26 03:48:53,653 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:53,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 226 places, 397 transitions, 11453 flow [2021-03-26 03:48:53,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 226 places, 397 transitions, 11453 flow [2021-03-26 03:48:53,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 397 transitions, 11453 flow [2021-03-26 03:48:54,166 INFO L129 PetriNetUnfolder]: 0/3748 cut-off events. [2021-03-26 03:48:54,166 INFO L130 PetriNetUnfolder]: For 93522/96008 co-relation queries the response was YES. [2021-03-26 03:48:54,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18149 conditions, 3748 events. 0/3748 cut-off events. For 93522/96008 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 61063 event pairs, 0 based on Foata normal form. 21/3575 useless extension candidates. Maximal degree in co-relation 0. Up to 425 conditions per place. [2021-03-26 03:48:54,202 INFO L142 LiptonReduction]: Number of co-enabled transitions 2246 [2021-03-26 03:48:54,241 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:54,241 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:54,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 589 [2021-03-26 03:48:54,242 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 397 transitions, 11453 flow [2021-03-26 03:48:54,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:54,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:54,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:54,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 03:48:54,243 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:54,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:54,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1431536288, now seen corresponding path program 18 times [2021-03-26 03:48:54,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:54,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620034370] [2021-03-26 03:48:54,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:54,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:54,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:54,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:54,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:54,276 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:54,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:54,285 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:54,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:54,298 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:54,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:54,316 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:54,338 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:54,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:54,373 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:54,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:54,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620034370] [2021-03-26 03:48:54,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:54,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:54,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915799897] [2021-03-26 03:48:54,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:54,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:54,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:54,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:54,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:54,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 397 transitions, 11453 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:54,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:54,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:54,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:55,853 INFO L129 PetriNetUnfolder]: 754/5373 cut-off events. [2021-03-26 03:48:55,854 INFO L130 PetriNetUnfolder]: For 163490/169378 co-relation queries the response was YES. [2021-03-26 03:48:55,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36845 conditions, 5373 events. 754/5373 cut-off events. For 163490/169378 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 78561 event pairs, 464 based on Foata normal form. 44/5149 useless extension candidates. Maximal degree in co-relation 36745. Up to 1144 conditions per place. [2021-03-26 03:48:55,913 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 98 selfloop transitions, 314 changer transitions 4/430 dead transitions. [2021-03-26 03:48:55,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 430 transitions, 13058 flow [2021-03-26 03:48:55,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:55,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:55,915 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:55,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:55,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:55,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:55,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,918 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,918 INFO L185 Difference]: Start difference. First operand has 225 places, 397 transitions, 11453 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:55,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 430 transitions, 13058 flow [2021-03-26 03:48:56,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 430 transitions, 12486 flow, removed 69 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:56,563 INFO L241 Difference]: Finished difference. Result has 234 places, 401 transitions, 11879 flow [2021-03-26 03:48:56,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=10931, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11879, PETRI_PLACES=234, PETRI_TRANSITIONS=401} [2021-03-26 03:48:56,563 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 190 predicate places. [2021-03-26 03:48:56,563 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:56,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 401 transitions, 11879 flow [2021-03-26 03:48:56,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 401 transitions, 11879 flow [2021-03-26 03:48:56,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 401 transitions, 11879 flow [2021-03-26 03:48:57,093 INFO L129 PetriNetUnfolder]: 0/3749 cut-off events. [2021-03-26 03:48:57,093 INFO L130 PetriNetUnfolder]: For 94484/96717 co-relation queries the response was YES. [2021-03-26 03:48:57,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18446 conditions, 3749 events. 0/3749 cut-off events. For 94484/96717 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 61034 event pairs, 0 based on Foata normal form. 15/3572 useless extension candidates. Maximal degree in co-relation 0. Up to 424 conditions per place. [2021-03-26 03:48:57,131 INFO L142 LiptonReduction]: Number of co-enabled transitions 2288 [2021-03-26 03:48:57,157 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:57,158 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:57,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 595 [2021-03-26 03:48:57,158 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 401 transitions, 11879 flow [2021-03-26 03:48:57,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:57,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:57,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:57,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 03:48:57,159 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:57,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:57,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1108286522, now seen corresponding path program 19 times [2021-03-26 03:48:57,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:57,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858356746] [2021-03-26 03:48:57,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:57,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:57,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:57,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:57,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:57,181 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:57,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:57,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:57,202 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:57,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:57,218 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:57,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:57,240 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:57,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:57,268 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:48:57,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:48:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:57,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858356746] [2021-03-26 03:48:57,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:57,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:48:57,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44932661] [2021-03-26 03:48:57,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:48:57,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:57,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:48:57,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:48:57,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:48:57,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 401 transitions, 11879 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:57,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:57,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:48:57,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:58,706 INFO L129 PetriNetUnfolder]: 738/5496 cut-off events. [2021-03-26 03:48:58,706 INFO L130 PetriNetUnfolder]: For 170460/176348 co-relation queries the response was YES. [2021-03-26 03:48:58,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37976 conditions, 5496 events. 738/5496 cut-off events. For 170460/176348 co-relation queries the response was YES. Maximal size of possible extension queue 785. Compared 81336 event pairs, 408 based on Foata normal form. 33/5244 useless extension candidates. Maximal degree in co-relation 37872. Up to 1023 conditions per place. [2021-03-26 03:48:58,762 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 230 selfloop transitions, 238 changer transitions 2/484 dead transitions. [2021-03-26 03:48:58,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 484 transitions, 15002 flow [2021-03-26 03:48:58,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:48:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:48:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:48:58,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:48:58,763 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:48:58,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:48:58,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:58,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:48:58,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,765 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,765 INFO L185 Difference]: Start difference. First operand has 233 places, 401 transitions, 11879 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:48:58,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 484 transitions, 15002 flow [2021-03-26 03:48:59,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 484 transitions, 14382 flow, removed 78 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:59,445 INFO L241 Difference]: Finished difference. Result has 239 places, 437 transitions, 13152 flow [2021-03-26 03:48:59,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=11370, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13152, PETRI_PLACES=239, PETRI_TRANSITIONS=437} [2021-03-26 03:48:59,445 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 195 predicate places. [2021-03-26 03:48:59,445 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:59,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 437 transitions, 13152 flow [2021-03-26 03:48:59,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 437 transitions, 13152 flow [2021-03-26 03:48:59,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 437 transitions, 13152 flow [2021-03-26 03:49:00,004 INFO L129 PetriNetUnfolder]: 0/3964 cut-off events. [2021-03-26 03:49:00,004 INFO L130 PetriNetUnfolder]: For 101293/103630 co-relation queries the response was YES. [2021-03-26 03:49:00,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19534 conditions, 3964 events. 0/3964 cut-off events. For 101293/103630 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 65063 event pairs, 0 based on Foata normal form. 22/3784 useless extension candidates. Maximal degree in co-relation 0. Up to 449 conditions per place. [2021-03-26 03:49:00,042 INFO L142 LiptonReduction]: Number of co-enabled transitions 2462 [2021-03-26 03:49:00,077 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:00,077 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:00,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 632 [2021-03-26 03:49:00,078 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 437 transitions, 13152 flow [2021-03-26 03:49:00,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:00,078 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:00,078 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:00,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 03:49:00,079 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:00,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:00,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1548443452, now seen corresponding path program 20 times [2021-03-26 03:49:00,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:00,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697948159] [2021-03-26 03:49:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:00,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:00,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:00,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:00,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:00,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:00,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:00,112 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:00,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:00,124 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:00,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:00,141 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:00,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:00,168 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:00,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:00,201 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:00,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:00,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697948159] [2021-03-26 03:49:00,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:00,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:00,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819747029] [2021-03-26 03:49:00,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:00,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:00,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:00,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:00,230 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:00,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 437 transitions, 13152 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:00,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:00,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:00,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:01,660 INFO L129 PetriNetUnfolder]: 737/5516 cut-off events. [2021-03-26 03:49:01,660 INFO L130 PetriNetUnfolder]: For 162952/168367 co-relation queries the response was YES. [2021-03-26 03:49:01,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37327 conditions, 5516 events. 737/5516 cut-off events. For 162952/168367 co-relation queries the response was YES. Maximal size of possible extension queue 787. Compared 81619 event pairs, 472 based on Foata normal form. 44/5275 useless extension candidates. Maximal degree in co-relation 37222. Up to 1144 conditions per place. [2021-03-26 03:49:01,713 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 86 selfloop transitions, 360 changer transitions 1/461 dead transitions. [2021-03-26 03:49:01,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 461 transitions, 14561 flow [2021-03-26 03:49:01,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:01,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:01,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:01,717 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:01,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:01,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:01,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:01,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:01,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:01,719 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:01,719 INFO L185 Difference]: Start difference. First operand has 238 places, 437 transitions, 13152 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:01,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 461 transitions, 14561 flow [2021-03-26 03:49:02,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 461 transitions, 14039 flow, removed 74 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:02,377 INFO L241 Difference]: Finished difference. Result has 245 places, 442 transitions, 13638 flow [2021-03-26 03:49:02,377 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=12650, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=355, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13638, PETRI_PLACES=245, PETRI_TRANSITIONS=442} [2021-03-26 03:49:02,377 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 201 predicate places. [2021-03-26 03:49:02,377 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:02,378 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 442 transitions, 13638 flow [2021-03-26 03:49:02,378 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 442 transitions, 13638 flow [2021-03-26 03:49:02,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 442 transitions, 13638 flow [2021-03-26 03:49:02,953 INFO L129 PetriNetUnfolder]: 0/3965 cut-off events. [2021-03-26 03:49:02,953 INFO L130 PetriNetUnfolder]: For 107515/110113 co-relation queries the response was YES. [2021-03-26 03:49:02,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19774 conditions, 3965 events. 0/3965 cut-off events. For 107515/110113 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 65108 event pairs, 0 based on Foata normal form. 26/3780 useless extension candidates. Maximal degree in co-relation 0. Up to 449 conditions per place. [2021-03-26 03:49:02,991 INFO L142 LiptonReduction]: Number of co-enabled transitions 2510 [2021-03-26 03:49:03,022 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:03,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:03,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 645 [2021-03-26 03:49:03,023 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 442 transitions, 13638 flow [2021-03-26 03:49:03,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:03,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:03,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:03,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 03:49:03,023 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:03,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:03,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1788476212, now seen corresponding path program 21 times [2021-03-26 03:49:03,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:03,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802061058] [2021-03-26 03:49:03,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:03,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:03,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:03,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:03,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:03,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:03,052 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:03,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:03,065 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:03,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:03,082 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:03,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:03,103 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:03,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:03,132 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:03,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:03,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802061058] [2021-03-26 03:49:03,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:03,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:03,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460283278] [2021-03-26 03:49:03,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:03,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:03,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:03,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:03,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:03,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 442 transitions, 13638 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:03,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:03,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:03,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:04,594 INFO L129 PetriNetUnfolder]: 727/5564 cut-off events. [2021-03-26 03:49:04,594 INFO L130 PetriNetUnfolder]: For 164332/169739 co-relation queries the response was YES. [2021-03-26 03:49:04,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37778 conditions, 5564 events. 727/5564 cut-off events. For 164332/169739 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 82792 event pairs, 461 based on Foata normal form. 44/5317 useless extension candidates. Maximal degree in co-relation 37671. Up to 1144 conditions per place. [2021-03-26 03:49:04,650 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 158 selfloop transitions, 296 changer transitions 1/469 dead transitions. [2021-03-26 03:49:04,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 469 transitions, 15124 flow [2021-03-26 03:49:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:04,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:04,652 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:04,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:04,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:04,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:04,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:04,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:04,654 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:04,654 INFO L185 Difference]: Start difference. First operand has 244 places, 442 transitions, 13638 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:04,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 469 transitions, 15124 flow [2021-03-26 03:49:05,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 469 transitions, 14475 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:05,348 INFO L241 Difference]: Finished difference. Result has 251 places, 446 transitions, 13767 flow [2021-03-26 03:49:05,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=13006, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13767, PETRI_PLACES=251, PETRI_TRANSITIONS=446} [2021-03-26 03:49:05,348 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 207 predicate places. [2021-03-26 03:49:05,348 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:05,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 446 transitions, 13767 flow [2021-03-26 03:49:05,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 446 transitions, 13767 flow [2021-03-26 03:49:05,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 446 transitions, 13767 flow [2021-03-26 03:49:05,948 INFO L129 PetriNetUnfolder]: 0/4038 cut-off events. [2021-03-26 03:49:05,948 INFO L130 PetriNetUnfolder]: For 106973/109221 co-relation queries the response was YES. [2021-03-26 03:49:05,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20400 conditions, 4038 events. 0/4038 cut-off events. For 106973/109221 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 66511 event pairs, 0 based on Foata normal form. 22/3842 useless extension candidates. Maximal degree in co-relation 0. Up to 459 conditions per place. [2021-03-26 03:49:05,986 INFO L142 LiptonReduction]: Number of co-enabled transitions 2542 [2021-03-26 03:49:06,018 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:06,018 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:06,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 670 [2021-03-26 03:49:06,019 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 446 transitions, 13767 flow [2021-03-26 03:49:06,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:06,019 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:06,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 03:49:06,019 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:06,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:06,020 INFO L82 PathProgramCache]: Analyzing trace with hash -95877172, now seen corresponding path program 22 times [2021-03-26 03:49:06,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:06,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521361163] [2021-03-26 03:49:06,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:06,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:06,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:06,045 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:06,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:06,054 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:06,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:06,067 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:06,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:06,084 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:06,110 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:06,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:06,144 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:06,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:06,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521361163] [2021-03-26 03:49:06,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:06,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:06,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497587823] [2021-03-26 03:49:06,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:06,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:06,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:06,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:06,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:06,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 446 transitions, 13767 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:06,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:06,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:07,644 INFO L129 PetriNetUnfolder]: 715/5616 cut-off events. [2021-03-26 03:49:07,644 INFO L130 PetriNetUnfolder]: For 167395/172802 co-relation queries the response was YES. [2021-03-26 03:49:07,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38166 conditions, 5616 events. 715/5616 cut-off events. For 167395/172802 co-relation queries the response was YES. Maximal size of possible extension queue 802. Compared 84073 event pairs, 452 based on Foata normal form. 44/5361 useless extension candidates. Maximal degree in co-relation 38056. Up to 1144 conditions per place. [2021-03-26 03:49:07,705 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 171 selfloop transitions, 305 changer transitions 2/492 dead transitions. [2021-03-26 03:49:07,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 492 transitions, 15913 flow [2021-03-26 03:49:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:07,706 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:07,706 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:07,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:07,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:07,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:07,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:07,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:07,709 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:07,709 INFO L185 Difference]: Start difference. First operand has 250 places, 446 transitions, 13767 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:07,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 492 transitions, 15913 flow [2021-03-26 03:49:08,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 492 transitions, 15301 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:08,462 INFO L241 Difference]: Finished difference. Result has 258 places, 468 transitions, 14643 flow [2021-03-26 03:49:08,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=13178, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14643, PETRI_PLACES=258, PETRI_TRANSITIONS=468} [2021-03-26 03:49:08,462 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 214 predicate places. [2021-03-26 03:49:08,462 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:08,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 468 transitions, 14643 flow [2021-03-26 03:49:08,463 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 468 transitions, 14643 flow [2021-03-26 03:49:08,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 468 transitions, 14643 flow [2021-03-26 03:49:09,097 INFO L129 PetriNetUnfolder]: 0/4130 cut-off events. [2021-03-26 03:49:09,097 INFO L130 PetriNetUnfolder]: For 119156/121733 co-relation queries the response was YES. [2021-03-26 03:49:09,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21245 conditions, 4130 events. 0/4130 cut-off events. For 119156/121733 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 68398 event pairs, 0 based on Foata normal form. 28/3944 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-03-26 03:49:09,217 INFO L142 LiptonReduction]: Number of co-enabled transitions 2706 [2021-03-26 03:49:09,254 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:09,254 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:09,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 792 [2021-03-26 03:49:09,254 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 468 transitions, 14643 flow [2021-03-26 03:49:09,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:09,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:09,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:09,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 03:49:09,255 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:09,255 INFO L82 PathProgramCache]: Analyzing trace with hash -2031332696, now seen corresponding path program 23 times [2021-03-26 03:49:09,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:09,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385125657] [2021-03-26 03:49:09,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:09,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:09,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:09,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:09,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:09,276 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:09,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:09,285 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:09,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:09,297 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:09,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:09,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:09,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:09,335 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:09,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:09,366 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:09,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385125657] [2021-03-26 03:49:09,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:09,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:09,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104224919] [2021-03-26 03:49:09,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:09,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:09,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:09,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:09,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:09,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 468 transitions, 14643 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:09,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:09,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:09,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:10,969 INFO L129 PetriNetUnfolder]: 713/5617 cut-off events. [2021-03-26 03:49:10,969 INFO L130 PetriNetUnfolder]: For 171898/177434 co-relation queries the response was YES. [2021-03-26 03:49:11,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38535 conditions, 5617 events. 713/5617 cut-off events. For 171898/177434 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 84073 event pairs, 461 based on Foata normal form. 48/5370 useless extension candidates. Maximal degree in co-relation 38421. Up to 1144 conditions per place. [2021-03-26 03:49:11,028 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 166 selfloop transitions, 310 changer transitions 1/491 dead transitions. [2021-03-26 03:49:11,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 491 transitions, 16111 flow [2021-03-26 03:49:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:11,029 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:11,029 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:11,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:11,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:11,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:11,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,031 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,031 INFO L185 Difference]: Start difference. First operand has 257 places, 468 transitions, 14643 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:11,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 491 transitions, 16111 flow [2021-03-26 03:49:11,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 491 transitions, 15489 flow, removed 85 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:11,890 INFO L241 Difference]: Finished difference. Result has 265 places, 473 transitions, 14903 flow [2021-03-26 03:49:11,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14067, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14903, PETRI_PLACES=265, PETRI_TRANSITIONS=473} [2021-03-26 03:49:11,890 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 221 predicate places. [2021-03-26 03:49:11,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:11,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 473 transitions, 14903 flow [2021-03-26 03:49:11,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 473 transitions, 14903 flow [2021-03-26 03:49:11,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 264 places, 473 transitions, 14903 flow [2021-03-26 03:49:12,538 INFO L129 PetriNetUnfolder]: 0/4137 cut-off events. [2021-03-26 03:49:12,539 INFO L130 PetriNetUnfolder]: For 117505/120023 co-relation queries the response was YES. [2021-03-26 03:49:12,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21391 conditions, 4137 events. 0/4137 cut-off events. For 117505/120023 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 68580 event pairs, 0 based on Foata normal form. 26/3944 useless extension candidates. Maximal degree in co-relation 0. Up to 472 conditions per place. [2021-03-26 03:49:12,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 2762 [2021-03-26 03:49:12,609 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:12,609 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:12,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 719 [2021-03-26 03:49:12,609 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 473 transitions, 14903 flow [2021-03-26 03:49:12,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:12,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:12,610 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:12,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 03:49:12,610 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:12,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:12,610 INFO L82 PathProgramCache]: Analyzing trace with hash -521849848, now seen corresponding path program 24 times [2021-03-26 03:49:12,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:12,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542409674] [2021-03-26 03:49:12,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:12,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:12,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:12,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:12,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:12,629 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:12,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:12,640 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:12,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:12,653 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:12,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:12,669 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:12,688 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:12,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:12,731 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:12,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:12,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542409674] [2021-03-26 03:49:12,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:12,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:12,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313067781] [2021-03-26 03:49:12,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:12,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:12,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:12,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:12,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:12,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 473 transitions, 14903 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:12,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:12,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:12,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:14,320 INFO L129 PetriNetUnfolder]: 712/5616 cut-off events. [2021-03-26 03:49:14,320 INFO L130 PetriNetUnfolder]: For 171300/176836 co-relation queries the response was YES. [2021-03-26 03:49:14,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38596 conditions, 5616 events. 712/5616 cut-off events. For 171300/176836 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 84041 event pairs, 460 based on Foata normal form. 48/5368 useless extension candidates. Maximal degree in co-relation 38479. Up to 1144 conditions per place. [2021-03-26 03:49:14,378 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 108 selfloop transitions, 367 changer transitions 2/491 dead transitions. [2021-03-26 03:49:14,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 491 transitions, 16191 flow [2021-03-26 03:49:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:14,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:14,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:14,380 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:14,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:14,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:14,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:14,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,382 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,382 INFO L185 Difference]: Start difference. First operand has 264 places, 473 transitions, 14903 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:14,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 491 transitions, 16191 flow [2021-03-26 03:49:15,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 491 transitions, 15558 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:15,479 INFO L241 Difference]: Finished difference. Result has 270 places, 475 transitions, 15096 flow [2021-03-26 03:49:15,479 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14285, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=365, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15096, PETRI_PLACES=270, PETRI_TRANSITIONS=475} [2021-03-26 03:49:15,479 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 226 predicate places. [2021-03-26 03:49:15,479 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:15,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 270 places, 475 transitions, 15096 flow [2021-03-26 03:49:15,480 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 270 places, 475 transitions, 15096 flow [2021-03-26 03:49:15,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 269 places, 475 transitions, 15096 flow [2021-03-26 03:49:16,127 INFO L129 PetriNetUnfolder]: 0/4138 cut-off events. [2021-03-26 03:49:16,127 INFO L130 PetriNetUnfolder]: For 114574/116839 co-relation queries the response was YES. [2021-03-26 03:49:16,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21501 conditions, 4138 events. 0/4138 cut-off events. For 114574/116839 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68603 event pairs, 0 based on Foata normal form. 22/3947 useless extension candidates. Maximal degree in co-relation 0. Up to 472 conditions per place. [2021-03-26 03:49:16,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 2780 [2021-03-26 03:49:16,204 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:16,204 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:16,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 725 [2021-03-26 03:49:16,205 INFO L480 AbstractCegarLoop]: Abstraction has has 269 places, 475 transitions, 15096 flow [2021-03-26 03:49:16,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:16,205 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] [2021-03-26 03:49:16,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 03:49:16,205 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:16,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:16,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1581125982, now seen corresponding path program 25 times [2021-03-26 03:49:16,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:16,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188332934] [2021-03-26 03:49:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:16,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:16,227 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:16,234 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:16,249 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:16,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:16,265 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:16,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:16,287 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:49:16,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:49:16,327 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:16,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188332934] [2021-03-26 03:49:16,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:16,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:16,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971411101] [2021-03-26 03:49:16,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:16,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:16,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:16,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:16,359 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:16,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 475 transitions, 15096 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:16,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:16,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:18,193 INFO L129 PetriNetUnfolder]: 712/5610 cut-off events. [2021-03-26 03:49:18,193 INFO L130 PetriNetUnfolder]: For 170989/176525 co-relation queries the response was YES. [2021-03-26 03:49:18,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38651 conditions, 5610 events. 712/5610 cut-off events. For 170989/176525 co-relation queries the response was YES. Maximal size of possible extension queue 802. Compared 83907 event pairs, 460 based on Foata normal form. 48/5363 useless extension candidates. Maximal degree in co-relation 38532. Up to 1144 conditions per place. [2021-03-26 03:49:18,249 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 99 selfloop transitions, 375 changer transitions 3/491 dead transitions. [2021-03-26 03:49:18,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 491 transitions, 16333 flow [2021-03-26 03:49:18,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:18,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:18,251 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:18,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:18,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:18,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:18,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:18,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:18,253 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:18,253 INFO L185 Difference]: Start difference. First operand has 269 places, 475 transitions, 15096 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:18,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 491 transitions, 16333 flow [2021-03-26 03:49:19,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 491 transitions, 15597 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-26 03:49:19,198 INFO L241 Difference]: Finished difference. Result has 273 places, 475 transitions, 15142 flow [2021-03-26 03:49:19,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14371, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15142, PETRI_PLACES=273, PETRI_TRANSITIONS=475} [2021-03-26 03:49:19,198 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 229 predicate places. [2021-03-26 03:49:19,199 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:19,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 475 transitions, 15142 flow [2021-03-26 03:49:19,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 475 transitions, 15142 flow [2021-03-26 03:49:19,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 475 transitions, 15142 flow [2021-03-26 03:49:19,963 INFO L129 PetriNetUnfolder]: 0/4130 cut-off events. [2021-03-26 03:49:19,963 INFO L130 PetriNetUnfolder]: For 117425/119947 co-relation queries the response was YES. [2021-03-26 03:49:19,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21469 conditions, 4130 events. 0/4130 cut-off events. For 117425/119947 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 68344 event pairs, 0 based on Foata normal form. 26/3945 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-03-26 03:49:20,008 INFO L142 LiptonReduction]: Number of co-enabled transitions 2778 [2021-03-26 03:49:20,044 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:20,044 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:20,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 845 [2021-03-26 03:49:20,045 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 475 transitions, 15142 flow [2021-03-26 03:49:20,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:20,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:20,045 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:20,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 03:49:20,046 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:20,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:20,046 INFO L82 PathProgramCache]: Analyzing trace with hash -819022606, now seen corresponding path program 26 times [2021-03-26 03:49:20,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:20,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619366171] [2021-03-26 03:49:20,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:20,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:20,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:20,076 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:20,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:20,088 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:20,105 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:20,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:20,128 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:20,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:20,152 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:20,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619366171] [2021-03-26 03:49:20,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:20,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:20,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213872433] [2021-03-26 03:49:20,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:20,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:20,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:20,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:20,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:20,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 475 transitions, 15142 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:20,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:20,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:20,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:21,902 INFO L129 PetriNetUnfolder]: 712/5602 cut-off events. [2021-03-26 03:49:21,902 INFO L130 PetriNetUnfolder]: For 171157/176693 co-relation queries the response was YES. [2021-03-26 03:49:21,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38616 conditions, 5602 events. 712/5602 cut-off events. For 171157/176693 co-relation queries the response was YES. Maximal size of possible extension queue 801. Compared 83778 event pairs, 460 based on Foata normal form. 48/5356 useless extension candidates. Maximal degree in co-relation 38496. Up to 1144 conditions per place. [2021-03-26 03:49:21,950 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 153 selfloop transitions, 319 changer transitions 1/487 dead transitions. [2021-03-26 03:49:21,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 487 transitions, 16244 flow [2021-03-26 03:49:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:21,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:21,951 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:21,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:21,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:21,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:21,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:21,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:21,953 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:21,953 INFO L185 Difference]: Start difference. First operand has 272 places, 475 transitions, 15142 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:21,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 487 transitions, 16244 flow [2021-03-26 03:49:22,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 487 transitions, 15489 flow, removed 12 selfloop flow, removed 8 redundant places. [2021-03-26 03:49:22,691 INFO L241 Difference]: Finished difference. Result has 273 places, 474 transitions, 15006 flow [2021-03-26 03:49:22,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14399, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=319, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15006, PETRI_PLACES=273, PETRI_TRANSITIONS=474} [2021-03-26 03:49:22,692 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 229 predicate places. [2021-03-26 03:49:22,692 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:22,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 474 transitions, 15006 flow [2021-03-26 03:49:22,692 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 474 transitions, 15006 flow [2021-03-26 03:49:22,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 474 transitions, 15006 flow [2021-03-26 03:49:23,343 INFO L129 PetriNetUnfolder]: 0/4126 cut-off events. [2021-03-26 03:49:23,343 INFO L130 PetriNetUnfolder]: For 114060/116339 co-relation queries the response was YES. [2021-03-26 03:49:23,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21394 conditions, 4126 events. 0/4126 cut-off events. For 114060/116339 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68356 event pairs, 0 based on Foata normal form. 22/3934 useless extension candidates. Maximal degree in co-relation 0. Up to 470 conditions per place. [2021-03-26 03:49:23,382 INFO L142 LiptonReduction]: Number of co-enabled transitions 2768 [2021-03-26 03:49:23,420 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:23,420 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:23,421 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 729 [2021-03-26 03:49:23,421 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 474 transitions, 15006 flow [2021-03-26 03:49:23,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:23,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:23,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:23,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 03:49:23,421 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:23,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash -596829574, now seen corresponding path program 27 times [2021-03-26 03:49:23,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:23,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693158530] [2021-03-26 03:49:23,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:23,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:23,443 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:23,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:23,452 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:23,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:23,467 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:23,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:23,484 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:49:23,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:49:23,524 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:23,560 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:23,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:23,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693158530] [2021-03-26 03:49:23,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:23,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:23,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677238818] [2021-03-26 03:49:23,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:23,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:23,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:23,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:23,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:23,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 474 transitions, 15006 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:23,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:23,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:23,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:25,324 INFO L129 PetriNetUnfolder]: 712/5598 cut-off events. [2021-03-26 03:49:25,324 INFO L130 PetriNetUnfolder]: For 169929/175465 co-relation queries the response was YES. [2021-03-26 03:49:25,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38520 conditions, 5598 events. 712/5598 cut-off events. For 169929/175465 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 83718 event pairs, 460 based on Foata normal form. 48/5353 useless extension candidates. Maximal degree in co-relation 38402. Up to 1144 conditions per place. [2021-03-26 03:49:25,374 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 162 selfloop transitions, 314 changer transitions 1/491 dead transitions. [2021-03-26 03:49:25,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 491 transitions, 16266 flow [2021-03-26 03:49:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:25,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:25,376 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:25,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:25,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:25,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:25,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:25,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:25,378 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:25,378 INFO L185 Difference]: Start difference. First operand has 272 places, 474 transitions, 15006 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:25,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 491 transitions, 16266 flow [2021-03-26 03:49:26,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 491 transitions, 15599 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-26 03:49:26,142 INFO L241 Difference]: Finished difference. Result has 277 places, 477 transitions, 15137 flow [2021-03-26 03:49:26,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14356, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15137, PETRI_PLACES=277, PETRI_TRANSITIONS=477} [2021-03-26 03:49:26,143 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 233 predicate places. [2021-03-26 03:49:26,143 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:26,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 477 transitions, 15137 flow [2021-03-26 03:49:26,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 477 transitions, 15137 flow [2021-03-26 03:49:26,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 276 places, 477 transitions, 15137 flow [2021-03-26 03:49:26,819 INFO L129 PetriNetUnfolder]: 0/4120 cut-off events. [2021-03-26 03:49:26,819 INFO L130 PetriNetUnfolder]: For 117580/120105 co-relation queries the response was YES. [2021-03-26 03:49:26,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21385 conditions, 4120 events. 0/4120 cut-off events. For 117580/120105 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 68186 event pairs, 0 based on Foata normal form. 28/3937 useless extension candidates. Maximal degree in co-relation 0. Up to 469 conditions per place. [2021-03-26 03:49:26,862 INFO L142 LiptonReduction]: Number of co-enabled transitions 2804 [2021-03-26 03:49:26,898 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:26,898 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:26,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 755 [2021-03-26 03:49:26,898 INFO L480 AbstractCegarLoop]: Abstraction has has 276 places, 477 transitions, 15137 flow [2021-03-26 03:49:26,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:26,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:26,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:26,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 03:49:26,899 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:26,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:26,899 INFO L82 PathProgramCache]: Analyzing trace with hash -249139980, now seen corresponding path program 28 times [2021-03-26 03:49:26,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:26,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830409836] [2021-03-26 03:49:26,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:26,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:26,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:26,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:26,921 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:26,929 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:26,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:26,939 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:26,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:26,954 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:26,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:26,984 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:27,015 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:27,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830409836] [2021-03-26 03:49:27,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:27,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:27,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959411755] [2021-03-26 03:49:27,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:27,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:27,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:27,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:27,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:27,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 477 transitions, 15137 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:27,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:27,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:27,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:28,747 INFO L129 PetriNetUnfolder]: 712/5592 cut-off events. [2021-03-26 03:49:28,747 INFO L130 PetriNetUnfolder]: For 170355/175891 co-relation queries the response was YES. [2021-03-26 03:49:28,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38503 conditions, 5592 events. 712/5592 cut-off events. For 170355/175891 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 83527 event pairs, 460 based on Foata normal form. 48/5347 useless extension candidates. Maximal degree in co-relation 38383. Up to 1144 conditions per place. [2021-03-26 03:49:28,799 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 114 selfloop transitions, 367 changer transitions 2/497 dead transitions. [2021-03-26 03:49:28,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 497 transitions, 16550 flow [2021-03-26 03:49:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:28,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:28,800 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:28,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:28,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:28,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:28,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:28,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:28,802 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:28,802 INFO L185 Difference]: Start difference. First operand has 276 places, 477 transitions, 15137 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:28,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 497 transitions, 16550 flow [2021-03-26 03:49:29,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 497 transitions, 15949 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:29,568 INFO L241 Difference]: Finished difference. Result has 282 places, 480 transitions, 15486 flow [2021-03-26 03:49:29,569 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14552, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=363, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15486, PETRI_PLACES=282, PETRI_TRANSITIONS=480} [2021-03-26 03:49:29,569 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 238 predicate places. [2021-03-26 03:49:29,569 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:29,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 480 transitions, 15486 flow [2021-03-26 03:49:29,569 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 480 transitions, 15486 flow [2021-03-26 03:49:29,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 480 transitions, 15486 flow [2021-03-26 03:49:30,224 INFO L129 PetriNetUnfolder]: 0/4114 cut-off events. [2021-03-26 03:49:30,225 INFO L130 PetriNetUnfolder]: For 119840/122396 co-relation queries the response was YES. [2021-03-26 03:49:30,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21530 conditions, 4114 events. 0/4114 cut-off events. For 119840/122396 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 68103 event pairs, 0 based on Foata normal form. 26/3928 useless extension candidates. Maximal degree in co-relation 0. Up to 468 conditions per place. [2021-03-26 03:49:30,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 2844 [2021-03-26 03:49:30,302 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:30,302 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:30,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 733 [2021-03-26 03:49:30,304 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 480 transitions, 15486 flow [2021-03-26 03:49:30,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,304 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:30,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:30,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 03:49:30,304 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:30,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:30,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1046625360, now seen corresponding path program 29 times [2021-03-26 03:49:30,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:30,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322478835] [2021-03-26 03:49:30,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:30,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:30,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:30,327 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:30,335 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:30,347 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:30,364 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:30,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:30,385 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:30,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:30,412 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:30,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:30,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322478835] [2021-03-26 03:49:30,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:30,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:30,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654723626] [2021-03-26 03:49:30,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:30,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:30,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:30,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:30,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:30,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 480 transitions, 15486 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:30,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:30,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:32,209 INFO L129 PetriNetUnfolder]: 712/5586 cut-off events. [2021-03-26 03:49:32,209 INFO L130 PetriNetUnfolder]: For 171984/177520 co-relation queries the response was YES. [2021-03-26 03:49:32,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38651 conditions, 5586 events. 712/5586 cut-off events. For 171984/177520 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 83497 event pairs, 460 based on Foata normal form. 48/5342 useless extension candidates. Maximal degree in co-relation 38529. Up to 1144 conditions per place. [2021-03-26 03:49:32,266 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 168 selfloop transitions, 312 changer transitions 2/496 dead transitions. [2021-03-26 03:49:32,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 496 transitions, 16728 flow [2021-03-26 03:49:32,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:32,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:32,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:32,267 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:32,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:32,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:32,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:32,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:32,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:32,269 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:32,269 INFO L185 Difference]: Start difference. First operand has 281 places, 480 transitions, 15486 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:32,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 496 transitions, 16728 flow [2021-03-26 03:49:33,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 496 transitions, 16064 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:33,084 INFO L241 Difference]: Finished difference. Result has 285 places, 483 transitions, 15566 flow [2021-03-26 03:49:33,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14837, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15566, PETRI_PLACES=285, PETRI_TRANSITIONS=483} [2021-03-26 03:49:33,085 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 241 predicate places. [2021-03-26 03:49:33,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:33,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 483 transitions, 15566 flow [2021-03-26 03:49:33,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 483 transitions, 15566 flow [2021-03-26 03:49:33,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 483 transitions, 15566 flow [2021-03-26 03:49:33,764 INFO L129 PetriNetUnfolder]: 0/4107 cut-off events. [2021-03-26 03:49:33,764 INFO L130 PetriNetUnfolder]: For 113727/115954 co-relation queries the response was YES. [2021-03-26 03:49:33,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21577 conditions, 4107 events. 0/4107 cut-off events. For 113727/115954 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 67934 event pairs, 0 based on Foata normal form. 20/3917 useless extension candidates. Maximal degree in co-relation 0. Up to 467 conditions per place. [2021-03-26 03:49:33,805 INFO L142 LiptonReduction]: Number of co-enabled transitions 2858 [2021-03-26 03:49:33,841 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:33,841 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:33,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 756 [2021-03-26 03:49:33,841 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 483 transitions, 15566 flow [2021-03-26 03:49:33,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:33,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:33,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:33,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 03:49:33,842 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:33,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:33,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1985761560, now seen corresponding path program 30 times [2021-03-26 03:49:33,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:33,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890798975] [2021-03-26 03:49:33,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:33,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:33,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:33,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:33,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:33,871 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:33,883 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:33,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:33,903 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:33,926 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:49:33,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:49:33,953 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:33,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:33,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890798975] [2021-03-26 03:49:33,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:33,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:33,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490791027] [2021-03-26 03:49:33,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:33,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:33,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:33,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:33,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:33,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 483 transitions, 15566 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:33,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:33,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:33,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:35,622 INFO L129 PetriNetUnfolder]: 712/5529 cut-off events. [2021-03-26 03:49:35,623 INFO L130 PetriNetUnfolder]: For 173743/177856 co-relation queries the response was YES. [2021-03-26 03:49:35,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38645 conditions, 5529 events. 712/5529 cut-off events. For 173743/177856 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 82471 event pairs, 544 based on Foata normal form. 48/5283 useless extension candidates. Maximal degree in co-relation 38523. Up to 1144 conditions per place. [2021-03-26 03:49:35,685 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 112 selfloop transitions, 370 changer transitions 2/498 dead transitions. [2021-03-26 03:49:35,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 498 transitions, 16815 flow [2021-03-26 03:49:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:35,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:35,686 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:35,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:35,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:35,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:35,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,687 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,687 INFO L185 Difference]: Start difference. First operand has 284 places, 483 transitions, 15566 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:35,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 498 transitions, 16815 flow [2021-03-26 03:49:36,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 498 transitions, 16178 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:36,700 INFO L241 Difference]: Finished difference. Result has 288 places, 485 transitions, 15788 flow [2021-03-26 03:49:36,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14947, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=367, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15788, PETRI_PLACES=288, PETRI_TRANSITIONS=485} [2021-03-26 03:49:36,700 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 244 predicate places. [2021-03-26 03:49:36,700 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:36,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 485 transitions, 15788 flow [2021-03-26 03:49:36,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 485 transitions, 15788 flow [2021-03-26 03:49:36,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 287 places, 485 transitions, 15788 flow [2021-03-26 03:49:37,367 INFO L129 PetriNetUnfolder]: 0/4101 cut-off events. [2021-03-26 03:49:37,368 INFO L130 PetriNetUnfolder]: For 116119/118355 co-relation queries the response was YES. [2021-03-26 03:49:37,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21603 conditions, 4101 events. 0/4101 cut-off events. For 116119/118355 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 67821 event pairs, 0 based on Foata normal form. 22/3914 useless extension candidates. Maximal degree in co-relation 0. Up to 466 conditions per place. [2021-03-26 03:49:37,408 INFO L142 LiptonReduction]: Number of co-enabled transitions 2870 [2021-03-26 03:49:37,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:37,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:37,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 747 [2021-03-26 03:49:37,447 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 485 transitions, 15788 flow [2021-03-26 03:49:37,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:37,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:37,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:37,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 03:49:37,448 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:37,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:37,448 INFO L82 PathProgramCache]: Analyzing trace with hash 253707000, now seen corresponding path program 31 times [2021-03-26 03:49:37,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:37,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549710324] [2021-03-26 03:49:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:37,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:37,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:37,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:37,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:37,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:37,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:37,477 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:37,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:37,489 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:37,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:37,506 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:49:37,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:49:37,546 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:49:37,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:49:37,575 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:37,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:37,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549710324] [2021-03-26 03:49:37,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:37,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:37,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859006195] [2021-03-26 03:49:37,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:37,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:37,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:37,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:37,603 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:37,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 485 transitions, 15788 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:37,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:37,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:37,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:39,258 INFO L129 PetriNetUnfolder]: 712/5573 cut-off events. [2021-03-26 03:49:39,258 INFO L130 PetriNetUnfolder]: For 171909/177445 co-relation queries the response was YES. [2021-03-26 03:49:39,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38718 conditions, 5573 events. 712/5573 cut-off events. For 171909/177445 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 83198 event pairs, 460 based on Foata normal form. 48/5330 useless extension candidates. Maximal degree in co-relation 38595. Up to 1144 conditions per place. [2021-03-26 03:49:39,318 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 168 selfloop transitions, 314 changer transitions 2/498 dead transitions. [2021-03-26 03:49:39,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 498 transitions, 16938 flow [2021-03-26 03:49:39,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:39,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:39,319 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:39,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:39,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:39,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:39,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:39,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:39,321 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:39,321 INFO L185 Difference]: Start difference. First operand has 287 places, 485 transitions, 15788 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:39,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 498 transitions, 16938 flow [2021-03-26 03:49:40,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 498 transitions, 16191 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:40,183 INFO L241 Difference]: Finished difference. Result has 291 places, 485 transitions, 15689 flow [2021-03-26 03:49:40,183 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15055, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15689, PETRI_PLACES=291, PETRI_TRANSITIONS=485} [2021-03-26 03:49:40,184 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 247 predicate places. [2021-03-26 03:49:40,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:40,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 291 places, 485 transitions, 15689 flow [2021-03-26 03:49:40,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 291 places, 485 transitions, 15689 flow [2021-03-26 03:49:40,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 485 transitions, 15689 flow [2021-03-26 03:49:40,858 INFO L129 PetriNetUnfolder]: 0/4094 cut-off events. [2021-03-26 03:49:40,859 INFO L130 PetriNetUnfolder]: For 119732/122290 co-relation queries the response was YES. [2021-03-26 03:49:40,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21532 conditions, 4094 events. 0/4094 cut-off events. For 119732/122290 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 67712 event pairs, 0 based on Foata normal form. 28/3913 useless extension candidates. Maximal degree in co-relation 0. Up to 465 conditions per place. [2021-03-26 03:49:40,896 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 03:49:40,931 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:40,931 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:40,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 747 [2021-03-26 03:49:40,932 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 485 transitions, 15689 flow [2021-03-26 03:49:40,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:40,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:40,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:40,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 03:49:40,932 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:40,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:40,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1271223456, now seen corresponding path program 32 times [2021-03-26 03:49:40,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:40,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702945329] [2021-03-26 03:49:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:40,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:40,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:40,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:40,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:40,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:40,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:40,960 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:40,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:40,973 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:40,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:40,989 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:40,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:41,012 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:41,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:41,040 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:41,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:41,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702945329] [2021-03-26 03:49:41,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:41,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:41,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887226176] [2021-03-26 03:49:41,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:41,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:41,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:41,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:41,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:41,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 485 transitions, 15689 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:41,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:41,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:41,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:42,718 INFO L129 PetriNetUnfolder]: 704/5611 cut-off events. [2021-03-26 03:49:42,718 INFO L130 PetriNetUnfolder]: For 172647/178183 co-relation queries the response was YES. [2021-03-26 03:49:42,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38843 conditions, 5611 events. 704/5611 cut-off events. For 172647/178183 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 84126 event pairs, 452 based on Foata normal form. 48/5362 useless extension candidates. Maximal degree in co-relation 38719. Up to 1144 conditions per place. [2021-03-26 03:49:42,779 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 188 selfloop transitions, 305 changer transitions 1/508 dead transitions. [2021-03-26 03:49:42,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 508 transitions, 17204 flow [2021-03-26 03:49:42,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:42,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:42,780 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:42,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:42,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:42,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:42,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:42,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:42,782 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:42,782 INFO L185 Difference]: Start difference. First operand has 290 places, 485 transitions, 15689 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:42,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 508 transitions, 17204 flow [2021-03-26 03:49:43,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 508 transitions, 16571 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:43,651 INFO L241 Difference]: Finished difference. Result has 296 places, 492 transitions, 15994 flow [2021-03-26 03:49:43,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15070, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15994, PETRI_PLACES=296, PETRI_TRANSITIONS=492} [2021-03-26 03:49:43,652 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 252 predicate places. [2021-03-26 03:49:43,652 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:43,652 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 492 transitions, 15994 flow [2021-03-26 03:49:43,652 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 492 transitions, 15994 flow [2021-03-26 03:49:43,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 492 transitions, 15994 flow [2021-03-26 03:49:44,329 INFO L129 PetriNetUnfolder]: 0/4150 cut-off events. [2021-03-26 03:49:44,329 INFO L130 PetriNetUnfolder]: For 119817/122097 co-relation queries the response was YES. [2021-03-26 03:49:44,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22053 conditions, 4150 events. 0/4150 cut-off events. For 119817/122097 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68670 event pairs, 0 based on Foata normal form. 22/3955 useless extension candidates. Maximal degree in co-relation 0. Up to 473 conditions per place. [2021-03-26 03:49:44,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-26 03:49:44,408 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:44,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:44,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 756 [2021-03-26 03:49:44,408 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 492 transitions, 15994 flow [2021-03-26 03:49:44,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:44,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:44,409 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:44,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 03:49:44,409 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:44,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:44,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1501280288, now seen corresponding path program 33 times [2021-03-26 03:49:44,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:44,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402116407] [2021-03-26 03:49:44,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:44,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:44,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:44,445 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:44,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:44,453 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:44,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:44,465 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:44,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:44,481 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:44,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:44,502 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:44,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:44,529 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:44,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402116407] [2021-03-26 03:49:44,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:44,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:44,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142137112] [2021-03-26 03:49:44,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:44,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:44,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:44,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:44,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:44,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 492 transitions, 15994 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:44,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:44,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:44,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:46,257 INFO L129 PetriNetUnfolder]: 704/5605 cut-off events. [2021-03-26 03:49:46,257 INFO L130 PetriNetUnfolder]: For 174730/180261 co-relation queries the response was YES. [2021-03-26 03:49:46,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38925 conditions, 5605 events. 704/5605 cut-off events. For 174730/180261 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 84027 event pairs, 452 based on Foata normal form. 46/5363 useless extension candidates. Maximal degree in co-relation 38798. Up to 1144 conditions per place. [2021-03-26 03:49:46,322 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 184 selfloop transitions, 312 changer transitions 2/512 dead transitions. [2021-03-26 03:49:46,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 512 transitions, 17396 flow [2021-03-26 03:49:46,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:46,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:46,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:46,324 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:46,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:46,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:46,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:46,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:46,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:46,325 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:46,325 INFO L185 Difference]: Start difference. First operand has 295 places, 492 transitions, 15994 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:46,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 512 transitions, 17396 flow [2021-03-26 03:49:47,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 512 transitions, 16788 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:47,237 INFO L241 Difference]: Finished difference. Result has 301 places, 496 transitions, 16183 flow [2021-03-26 03:49:47,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15398, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16183, PETRI_PLACES=301, PETRI_TRANSITIONS=496} [2021-03-26 03:49:47,238 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 257 predicate places. [2021-03-26 03:49:47,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:47,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 496 transitions, 16183 flow [2021-03-26 03:49:47,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 496 transitions, 16183 flow [2021-03-26 03:49:47,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 300 places, 496 transitions, 16183 flow [2021-03-26 03:49:47,935 INFO L129 PetriNetUnfolder]: 0/4143 cut-off events. [2021-03-26 03:49:47,936 INFO L130 PetriNetUnfolder]: For 125119/127735 co-relation queries the response was YES. [2021-03-26 03:49:47,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22119 conditions, 4143 events. 0/4143 cut-off events. For 125119/127735 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 68668 event pairs, 0 based on Foata normal form. 28/3954 useless extension candidates. Maximal degree in co-relation 0. Up to 472 conditions per place. [2021-03-26 03:49:47,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 2960 [2021-03-26 03:49:48,017 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:48,017 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:48,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 779 [2021-03-26 03:49:48,018 INFO L480 AbstractCegarLoop]: Abstraction has has 300 places, 496 transitions, 16183 flow [2021-03-26 03:49:48,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:48,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:48,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:48,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 03:49:48,018 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:48,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:48,018 INFO L82 PathProgramCache]: Analyzing trace with hash 849153132, now seen corresponding path program 34 times [2021-03-26 03:49:48,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:48,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895912247] [2021-03-26 03:49:48,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:48,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:48,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:48,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:48,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:48,049 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:48,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:48,061 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:48,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:48,077 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:48,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:48,099 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:49:48,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:49:48,126 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:48,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895912247] [2021-03-26 03:49:48,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:48,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:48,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983298430] [2021-03-26 03:49:48,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:48,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:48,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:48,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:48,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:48,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 496 transitions, 16183 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:48,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:48,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:48,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:49,971 INFO L129 PetriNetUnfolder]: 704/5598 cut-off events. [2021-03-26 03:49:49,972 INFO L130 PetriNetUnfolder]: For 175491/181002 co-relation queries the response was YES. [2021-03-26 03:49:50,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38988 conditions, 5598 events. 704/5598 cut-off events. For 175491/181002 co-relation queries the response was YES. Maximal size of possible extension queue 797. Compared 83838 event pairs, 452 based on Foata normal form. 46/5349 useless extension candidates. Maximal degree in co-relation 38859. Up to 1144 conditions per place. [2021-03-26 03:49:50,029 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 174 selfloop transitions, 320 changer transitions 2/510 dead transitions. [2021-03-26 03:49:50,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 510 transitions, 17401 flow [2021-03-26 03:49:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:50,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:50,032 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:50,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:50,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:50,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:50,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:50,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:50,033 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:50,033 INFO L185 Difference]: Start difference. First operand has 300 places, 496 transitions, 16183 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:50,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 510 transitions, 17401 flow [2021-03-26 03:49:50,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 510 transitions, 16799 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 03:49:50,922 INFO L241 Difference]: Finished difference. Result has 301 places, 494 transitions, 16149 flow [2021-03-26 03:49:50,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15591, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16149, PETRI_PLACES=301, PETRI_TRANSITIONS=494} [2021-03-26 03:49:50,923 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 257 predicate places. [2021-03-26 03:49:50,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:50,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 494 transitions, 16149 flow [2021-03-26 03:49:50,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 494 transitions, 16149 flow [2021-03-26 03:49:50,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 494 transitions, 16149 flow [2021-03-26 03:49:51,613 INFO L129 PetriNetUnfolder]: 0/4137 cut-off events. [2021-03-26 03:49:51,613 INFO L130 PetriNetUnfolder]: For 122966/125484 co-relation queries the response was YES. [2021-03-26 03:49:51,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22142 conditions, 4137 events. 0/4137 cut-off events. For 122966/125484 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 68591 event pairs, 0 based on Foata normal form. 26/3953 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-03-26 03:49:51,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 2938 [2021-03-26 03:49:51,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:51,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:51,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 774 [2021-03-26 03:49:51,697 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 494 transitions, 16149 flow [2021-03-26 03:49:51,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:51,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:51,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:51,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 03:49:51,697 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:51,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:51,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1502785078, now seen corresponding path program 35 times [2021-03-26 03:49:51,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:51,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452207467] [2021-03-26 03:49:51,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:51,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:51,717 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:51,725 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:51,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:51,737 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:51,753 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:51,775 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:51,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:51,802 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:51,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:51,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452207467] [2021-03-26 03:49:51,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:51,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:51,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251651742] [2021-03-26 03:49:51,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:51,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:51,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:51,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:51,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:51,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 494 transitions, 16149 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:51,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:51,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:51,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:53,614 INFO L129 PetriNetUnfolder]: 704/5592 cut-off events. [2021-03-26 03:49:53,614 INFO L130 PetriNetUnfolder]: For 174901/180412 co-relation queries the response was YES. [2021-03-26 03:49:53,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39008 conditions, 5592 events. 704/5592 cut-off events. For 174901/180412 co-relation queries the response was YES. Maximal size of possible extension queue 796. Compared 83705 event pairs, 452 based on Foata normal form. 46/5343 useless extension candidates. Maximal degree in co-relation 38882. Up to 1144 conditions per place. [2021-03-26 03:49:53,666 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 186 selfloop transitions, 307 changer transitions 1/508 dead transitions. [2021-03-26 03:49:53,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 508 transitions, 17363 flow [2021-03-26 03:49:53,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:53,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:53,667 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:53,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:53,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:53,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:53,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:53,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:53,668 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:53,668 INFO L185 Difference]: Start difference. First operand has 299 places, 494 transitions, 16149 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:53,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 508 transitions, 17363 flow [2021-03-26 03:49:54,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 508 transitions, 16662 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-03-26 03:49:54,454 INFO L241 Difference]: Finished difference. Result has 300 places, 494 transitions, 16091 flow [2021-03-26 03:49:54,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15462, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16091, PETRI_PLACES=300, PETRI_TRANSITIONS=494} [2021-03-26 03:49:54,455 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 256 predicate places. [2021-03-26 03:49:54,455 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:54,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 494 transitions, 16091 flow [2021-03-26 03:49:54,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 494 transitions, 16091 flow [2021-03-26 03:49:54,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 494 transitions, 16091 flow [2021-03-26 03:49:55,124 INFO L129 PetriNetUnfolder]: 0/4131 cut-off events. [2021-03-26 03:49:55,124 INFO L130 PetriNetUnfolder]: For 117684/119883 co-relation queries the response was YES. [2021-03-26 03:49:55,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22093 conditions, 4131 events. 0/4131 cut-off events. For 117684/119883 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 68322 event pairs, 0 based on Foata normal form. 20/3934 useless extension candidates. Maximal degree in co-relation 0. Up to 470 conditions per place. [2021-03-26 03:49:55,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 2940 [2021-03-26 03:49:55,207 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:55,207 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:55,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 752 [2021-03-26 03:49:55,208 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 494 transitions, 16091 flow [2021-03-26 03:49:55,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:55,208 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:55,208 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:55,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 03:49:55,208 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:55,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:55,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1840660010, now seen corresponding path program 36 times [2021-03-26 03:49:55,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:55,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645478777] [2021-03-26 03:49:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:55,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:55,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:55,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:55,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:55,228 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:55,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:55,236 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:55,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:55,248 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:55,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:55,264 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:49:55,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:49:55,300 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:55,330 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:55,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:55,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645478777] [2021-03-26 03:49:55,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:55,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:55,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207652468] [2021-03-26 03:49:55,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:55,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:55,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:55,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:55,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:55,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 494 transitions, 16091 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:55,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:55,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:55,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:57,056 INFO L129 PetriNetUnfolder]: 704/5586 cut-off events. [2021-03-26 03:49:57,056 INFO L130 PetriNetUnfolder]: For 173568/179084 co-relation queries the response was YES. [2021-03-26 03:49:57,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38957 conditions, 5586 events. 704/5586 cut-off events. For 173568/179084 co-relation queries the response was YES. Maximal size of possible extension queue 796. Compared 83652 event pairs, 452 based on Foata normal form. 48/5339 useless extension candidates. Maximal degree in co-relation 38833. Up to 1144 conditions per place. [2021-03-26 03:49:57,117 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 183 selfloop transitions, 309 changer transitions 1/507 dead transitions. [2021-03-26 03:49:57,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 507 transitions, 17263 flow [2021-03-26 03:49:57,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:49:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:49:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:49:57,118 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:49:57,118 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:49:57,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:49:57,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:57,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:49:57,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:57,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:57,119 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:57,119 INFO L185 Difference]: Start difference. First operand has 299 places, 494 transitions, 16091 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:49:57,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 507 transitions, 17263 flow [2021-03-26 03:49:57,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 507 transitions, 16646 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:57,992 INFO L241 Difference]: Finished difference. Result has 303 places, 495 transitions, 16168 flow [2021-03-26 03:49:57,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15484, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16168, PETRI_PLACES=303, PETRI_TRANSITIONS=495} [2021-03-26 03:49:57,993 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 259 predicate places. [2021-03-26 03:49:57,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:57,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 495 transitions, 16168 flow [2021-03-26 03:49:57,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 495 transitions, 16168 flow [2021-03-26 03:49:57,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 495 transitions, 16168 flow [2021-03-26 03:49:58,650 INFO L129 PetriNetUnfolder]: 0/4125 cut-off events. [2021-03-26 03:49:58,650 INFO L130 PetriNetUnfolder]: For 118669/120868 co-relation queries the response was YES. [2021-03-26 03:49:58,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22106 conditions, 4125 events. 0/4125 cut-off events. For 118669/120868 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 68284 event pairs, 0 based on Foata normal form. 22/3934 useless extension candidates. Maximal degree in co-relation 0. Up to 469 conditions per place. [2021-03-26 03:49:58,689 INFO L142 LiptonReduction]: Number of co-enabled transitions 2952 [2021-03-26 03:49:58,726 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:58,727 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:58,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 734 [2021-03-26 03:49:58,727 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 495 transitions, 16168 flow [2021-03-26 03:49:58,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:58,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:58,727 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:58,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 03:49:58,728 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:58,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:58,728 INFO L82 PathProgramCache]: Analyzing trace with hash 353559026, now seen corresponding path program 37 times [2021-03-26 03:49:58,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:58,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143745823] [2021-03-26 03:49:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:58,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:58,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:58,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:58,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:58,752 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:58,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:58,764 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:58,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:58,774 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:58,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:58,788 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:49:58,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:49:58,838 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:49:58,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:49:58,864 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:49:58,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:58,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143745823] [2021-03-26 03:49:58,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:58,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:49:58,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76983978] [2021-03-26 03:49:58,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:49:58,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:58,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:49:58,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:49:58,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:49:58,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 495 transitions, 16168 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:58,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:58,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:49:58,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:00,556 INFO L129 PetriNetUnfolder]: 704/5580 cut-off events. [2021-03-26 03:50:00,556 INFO L130 PetriNetUnfolder]: For 174623/180139 co-relation queries the response was YES. [2021-03-26 03:50:00,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38968 conditions, 5580 events. 704/5580 cut-off events. For 174623/180139 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 83484 event pairs, 452 based on Foata normal form. 48/5333 useless extension candidates. Maximal degree in co-relation 38843. Up to 1144 conditions per place. [2021-03-26 03:50:00,616 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 182 selfloop transitions, 309 changer transitions 1/506 dead transitions. [2021-03-26 03:50:00,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 506 transitions, 17270 flow [2021-03-26 03:50:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:00,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:00,619 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:00,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:00,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:00,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:00,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:00,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:00,620 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:00,620 INFO L185 Difference]: Start difference. First operand has 302 places, 495 transitions, 16168 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:00,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 506 transitions, 17270 flow [2021-03-26 03:50:01,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 506 transitions, 16669 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-03-26 03:50:01,525 INFO L241 Difference]: Finished difference. Result has 304 places, 494 transitions, 16153 flow [2021-03-26 03:50:01,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15577, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16153, PETRI_PLACES=304, PETRI_TRANSITIONS=494} [2021-03-26 03:50:01,525 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 260 predicate places. [2021-03-26 03:50:01,525 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:01,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 494 transitions, 16153 flow [2021-03-26 03:50:01,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 494 transitions, 16153 flow [2021-03-26 03:50:01,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 303 places, 494 transitions, 16153 flow [2021-03-26 03:50:02,206 INFO L129 PetriNetUnfolder]: 0/4122 cut-off events. [2021-03-26 03:50:02,206 INFO L130 PetriNetUnfolder]: For 122620/125156 co-relation queries the response was YES. [2021-03-26 03:50:02,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22157 conditions, 4122 events. 0/4122 cut-off events. For 122620/125156 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 68252 event pairs, 0 based on Foata normal form. 26/3931 useless extension candidates. Maximal degree in co-relation 0. Up to 469 conditions per place. [2021-03-26 03:50:02,246 INFO L142 LiptonReduction]: Number of co-enabled transitions 2940 [2021-03-26 03:50:02,282 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:02,282 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:02,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 757 [2021-03-26 03:50:02,283 INFO L480 AbstractCegarLoop]: Abstraction has has 303 places, 494 transitions, 16153 flow [2021-03-26 03:50:02,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:02,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:02,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:02,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 03:50:02,283 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:02,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:02,283 INFO L82 PathProgramCache]: Analyzing trace with hash 678155148, now seen corresponding path program 38 times [2021-03-26 03:50:02,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:02,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206193694] [2021-03-26 03:50:02,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:02,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:02,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:02,310 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:50:02,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:50:02,322 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:02,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:02,338 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:02,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:02,359 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:02,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:02,383 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:02,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:02,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206193694] [2021-03-26 03:50:02,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:02,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:02,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474328427] [2021-03-26 03:50:02,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:02,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:02,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:02,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:02,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:02,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 494 transitions, 16153 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:02,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:02,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:02,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:04,054 INFO L129 PetriNetUnfolder]: 704/5527 cut-off events. [2021-03-26 03:50:04,054 INFO L130 PetriNetUnfolder]: For 176077/180170 co-relation queries the response was YES. [2021-03-26 03:50:04,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38967 conditions, 5527 events. 704/5527 cut-off events. For 176077/180170 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 82567 event pairs, 536 based on Foata normal form. 48/5277 useless extension candidates. Maximal degree in co-relation 38844. Up to 1144 conditions per place. [2021-03-26 03:50:04,115 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 181 selfloop transitions, 308 changer transitions 2/505 dead transitions. [2021-03-26 03:50:04,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 505 transitions, 17253 flow [2021-03-26 03:50:04,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:04,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:04,116 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:04,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:04,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:04,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:04,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:04,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:04,117 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:04,117 INFO L185 Difference]: Start difference. First operand has 303 places, 494 transitions, 16153 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:04,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 505 transitions, 17253 flow [2021-03-26 03:50:05,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 505 transitions, 16621 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 03:50:05,025 INFO L241 Difference]: Finished difference. Result has 305 places, 492 transitions, 16068 flow [2021-03-26 03:50:05,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15531, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16068, PETRI_PLACES=305, PETRI_TRANSITIONS=492} [2021-03-26 03:50:05,026 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 261 predicate places. [2021-03-26 03:50:05,026 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:05,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 492 transitions, 16068 flow [2021-03-26 03:50:05,026 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 492 transitions, 16068 flow [2021-03-26 03:50:05,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 304 places, 492 transitions, 16068 flow [2021-03-26 03:50:05,779 INFO L129 PetriNetUnfolder]: 0/4115 cut-off events. [2021-03-26 03:50:05,779 INFO L130 PetriNetUnfolder]: For 120965/123383 co-relation queries the response was YES. [2021-03-26 03:50:05,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22139 conditions, 4115 events. 0/4115 cut-off events. For 120965/123383 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68122 event pairs, 0 based on Foata normal form. 26/3926 useless extension candidates. Maximal degree in co-relation 0. Up to 468 conditions per place. [2021-03-26 03:50:05,810 INFO L142 LiptonReduction]: Number of co-enabled transitions 2924 [2021-03-26 03:50:05,846 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:05,846 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:05,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 820 [2021-03-26 03:50:05,846 INFO L480 AbstractCegarLoop]: Abstraction has has 304 places, 492 transitions, 16068 flow [2021-03-26 03:50:05,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:05,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:05,846 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:05,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 03:50:05,847 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:05,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:05,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1043792262, now seen corresponding path program 39 times [2021-03-26 03:50:05,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:05,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019850061] [2021-03-26 03:50:05,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:05,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:05,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:05,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:05,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:05,868 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:05,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:05,876 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:50:05,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:50:05,889 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:05,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:05,906 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:05,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:05,928 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:05,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:05,957 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:05,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:05,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019850061] [2021-03-26 03:50:05,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:05,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:05,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127421434] [2021-03-26 03:50:05,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:05,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:05,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:05,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:05,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:05,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 492 transitions, 16068 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:05,987 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:05,987 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:05,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:07,696 INFO L129 PetriNetUnfolder]: 704/5570 cut-off events. [2021-03-26 03:50:07,696 INFO L130 PetriNetUnfolder]: For 173670/179186 co-relation queries the response was YES. [2021-03-26 03:50:07,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38996 conditions, 5570 events. 704/5570 cut-off events. For 173670/179186 co-relation queries the response was YES. Maximal size of possible extension queue 792. Compared 83373 event pairs, 452 based on Foata normal form. 48/5324 useless extension candidates. Maximal degree in co-relation 38874. Up to 1144 conditions per place. [2021-03-26 03:50:07,759 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 183 selfloop transitions, 304 changer transitions 2/503 dead transitions. [2021-03-26 03:50:07,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 503 transitions, 17164 flow [2021-03-26 03:50:07,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:07,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:07,761 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:07,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:07,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:07,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:07,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:07,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:07,763 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:07,763 INFO L185 Difference]: Start difference. First operand has 304 places, 492 transitions, 16068 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:07,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 503 transitions, 17164 flow [2021-03-26 03:50:08,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 503 transitions, 16541 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 03:50:08,707 INFO L241 Difference]: Finished difference. Result has 306 places, 490 transitions, 15982 flow [2021-03-26 03:50:08,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15455, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15982, PETRI_PLACES=306, PETRI_TRANSITIONS=490} [2021-03-26 03:50:08,707 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 262 predicate places. [2021-03-26 03:50:08,708 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:08,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 490 transitions, 15982 flow [2021-03-26 03:50:08,708 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 490 transitions, 15982 flow [2021-03-26 03:50:08,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 305 places, 490 transitions, 15982 flow [2021-03-26 03:50:09,390 INFO L129 PetriNetUnfolder]: 0/4108 cut-off events. [2021-03-26 03:50:09,390 INFO L130 PetriNetUnfolder]: For 118494/120773 co-relation queries the response was YES. [2021-03-26 03:50:09,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22101 conditions, 4108 events. 0/4108 cut-off events. For 118494/120773 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 67878 event pairs, 0 based on Foata normal form. 22/3913 useless extension candidates. Maximal degree in co-relation 0. Up to 467 conditions per place. [2021-03-26 03:50:09,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 2910 [2021-03-26 03:50:09,468 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:09,468 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:09,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 761 [2021-03-26 03:50:09,469 INFO L480 AbstractCegarLoop]: Abstraction has has 305 places, 490 transitions, 15982 flow [2021-03-26 03:50:09,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:09,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:09,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:09,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 03:50:09,469 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:09,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:09,469 INFO L82 PathProgramCache]: Analyzing trace with hash 188519308, now seen corresponding path program 40 times [2021-03-26 03:50:09,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:09,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325839549] [2021-03-26 03:50:09,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:09,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:09,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:09,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:09,494 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:50:09,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:50:09,506 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:09,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:09,522 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:09,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:09,542 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:09,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:09,570 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:09,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:09,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325839549] [2021-03-26 03:50:09,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:09,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:09,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840571244] [2021-03-26 03:50:09,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:09,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:09,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:09,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:09,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:09,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 490 transitions, 15982 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:09,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:09,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:09,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:11,242 INFO L129 PetriNetUnfolder]: 704/5563 cut-off events. [2021-03-26 03:50:11,243 INFO L130 PetriNetUnfolder]: For 173167/178683 co-relation queries the response was YES. [2021-03-26 03:50:11,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38955 conditions, 5563 events. 704/5563 cut-off events. For 173167/178683 co-relation queries the response was YES. Maximal size of possible extension queue 790. Compared 83134 event pairs, 452 based on Foata normal form. 48/5318 useless extension candidates. Maximal degree in co-relation 38834. Up to 1144 conditions per place. [2021-03-26 03:50:11,309 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 162 selfloop transitions, 322 changer transitions 3/501 dead transitions. [2021-03-26 03:50:11,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 501 transitions, 17074 flow [2021-03-26 03:50:11,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:11,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:11,310 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:11,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:11,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:11,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:11,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:11,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:11,312 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:11,312 INFO L185 Difference]: Start difference. First operand has 305 places, 490 transitions, 15982 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:11,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 501 transitions, 17074 flow [2021-03-26 03:50:12,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 501 transitions, 16451 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 03:50:12,181 INFO L241 Difference]: Finished difference. Result has 307 places, 487 transitions, 15887 flow [2021-03-26 03:50:12,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15369, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15887, PETRI_PLACES=307, PETRI_TRANSITIONS=487} [2021-03-26 03:50:12,182 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 263 predicate places. [2021-03-26 03:50:12,182 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:12,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 487 transitions, 15887 flow [2021-03-26 03:50:12,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 487 transitions, 15887 flow [2021-03-26 03:50:12,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 306 places, 487 transitions, 15887 flow [2021-03-26 03:50:12,833 INFO L129 PetriNetUnfolder]: 0/4066 cut-off events. [2021-03-26 03:50:12,833 INFO L130 PetriNetUnfolder]: For 114439/116549 co-relation queries the response was YES. [2021-03-26 03:50:12,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21542 conditions, 4066 events. 0/4066 cut-off events. For 114439/116549 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 67007 event pairs, 0 based on Foata normal form. 22/3879 useless extension candidates. Maximal degree in co-relation 0. Up to 464 conditions per place. [2021-03-26 03:50:12,873 INFO L142 LiptonReduction]: Number of co-enabled transitions 2868 [2021-03-26 03:50:12,910 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:12,910 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:12,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 728 [2021-03-26 03:50:12,911 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 487 transitions, 15887 flow [2021-03-26 03:50:12,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:12,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:12,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:12,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 03:50:12,911 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:12,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1916461202, now seen corresponding path program 41 times [2021-03-26 03:50:12,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:12,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426840326] [2021-03-26 03:50:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:12,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:12,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:12,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:12,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:12,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:12,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:12,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:12,964 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:50:12,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:12,998 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:12,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:13,029 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:13,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:13,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426840326] [2021-03-26 03:50:13,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:13,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:13,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170998100] [2021-03-26 03:50:13,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:13,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:13,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:13,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:13,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:13,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 487 transitions, 15887 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:13,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:13,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:13,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:15,300 INFO L129 PetriNetUnfolder]: 767/7381 cut-off events. [2021-03-26 03:50:15,301 INFO L130 PetriNetUnfolder]: For 231999/237491 co-relation queries the response was YES. [2021-03-26 03:50:15,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50287 conditions, 7381 events. 767/7381 cut-off events. For 231999/237491 co-relation queries the response was YES. Maximal size of possible extension queue 1059. Compared 119726 event pairs, 204 based on Foata normal form. 13/6983 useless extension candidates. Maximal degree in co-relation 50167. Up to 1958 conditions per place. [2021-03-26 03:50:15,376 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 584 selfloop transitions, 192 changer transitions 3/793 dead transitions. [2021-03-26 03:50:15,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 793 transitions, 27736 flow [2021-03-26 03:50:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:15,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:15,378 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:15,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:15,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:15,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:15,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:15,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:15,380 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:15,380 INFO L185 Difference]: Start difference. First operand has 306 places, 487 transitions, 15887 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:15,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 793 transitions, 27736 flow [2021-03-26 03:50:16,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 793 transitions, 26683 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-03-26 03:50:16,588 INFO L241 Difference]: Finished difference. Result has 314 places, 576 transitions, 18750 flow [2021-03-26 03:50:16,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15262, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=18750, PETRI_PLACES=314, PETRI_TRANSITIONS=576} [2021-03-26 03:50:16,588 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 270 predicate places. [2021-03-26 03:50:16,588 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:16,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 576 transitions, 18750 flow [2021-03-26 03:50:16,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 576 transitions, 18750 flow [2021-03-26 03:50:16,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 576 transitions, 18750 flow [2021-03-26 03:50:17,645 INFO L129 PetriNetUnfolder]: 0/5739 cut-off events. [2021-03-26 03:50:17,645 INFO L130 PetriNetUnfolder]: For 171593/175643 co-relation queries the response was YES. [2021-03-26 03:50:17,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31291 conditions, 5739 events. 0/5739 cut-off events. For 171593/175643 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 100400 event pairs, 0 based on Foata normal form. 44/5515 useless extension candidates. Maximal degree in co-relation 0. Up to 645 conditions per place. [2021-03-26 03:50:17,706 INFO L142 LiptonReduction]: Number of co-enabled transitions 3174 [2021-03-26 03:50:17,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:17,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:17,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1171 [2021-03-26 03:50:17,760 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 576 transitions, 18750 flow [2021-03-26 03:50:17,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:17,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:17,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:17,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 03:50:17,760 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:17,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1495848212, now seen corresponding path program 42 times [2021-03-26 03:50:17,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:17,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641894462] [2021-03-26 03:50:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:17,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:17,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:17,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:17,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:17,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:17,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:17,787 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:17,799 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:17,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:17,815 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:17,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:17,836 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:17,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:17,863 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:17,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:17,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641894462] [2021-03-26 03:50:17,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:17,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:17,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060031218] [2021-03-26 03:50:17,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:17,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:17,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:17,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:17,889 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:17,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 576 transitions, 18750 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:17,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:17,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:17,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:20,406 INFO L129 PetriNetUnfolder]: 764/7646 cut-off events. [2021-03-26 03:50:20,406 INFO L130 PetriNetUnfolder]: For 260855/269984 co-relation queries the response was YES. [2021-03-26 03:50:20,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53968 conditions, 7646 events. 764/7646 cut-off events. For 260855/269984 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 124341 event pairs, 410 based on Foata normal form. 30/7361 useless extension candidates. Maximal degree in co-relation 53843. Up to 1538 conditions per place. [2021-03-26 03:50:20,488 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 451 selfloop transitions, 262 changer transitions 2/729 dead transitions. [2021-03-26 03:50:20,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 729 transitions, 25251 flow [2021-03-26 03:50:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:20,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:20,489 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:20,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:20,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:20,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:20,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:20,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:20,490 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:20,490 INFO L185 Difference]: Start difference. First operand has 313 places, 576 transitions, 18750 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:20,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 729 transitions, 25251 flow [2021-03-26 03:50:21,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 729 transitions, 24913 flow, removed 106 selfloop flow, removed 2 redundant places. [2021-03-26 03:50:21,947 INFO L241 Difference]: Finished difference. Result has 325 places, 635 transitions, 21459 flow [2021-03-26 03:50:21,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=18462, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=21459, PETRI_PLACES=325, PETRI_TRANSITIONS=635} [2021-03-26 03:50:21,948 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 281 predicate places. [2021-03-26 03:50:21,948 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:21,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 635 transitions, 21459 flow [2021-03-26 03:50:21,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 635 transitions, 21459 flow [2021-03-26 03:50:21,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 635 transitions, 21459 flow [2021-03-26 03:50:23,134 INFO L129 PetriNetUnfolder]: 0/6137 cut-off events. [2021-03-26 03:50:23,135 INFO L130 PetriNetUnfolder]: For 194635/200477 co-relation queries the response was YES. [2021-03-26 03:50:23,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34567 conditions, 6137 events. 0/6137 cut-off events. For 194635/200477 co-relation queries the response was YES. Maximal size of possible extension queue 987. Compared 108555 event pairs, 0 based on Foata normal form. 27/5866 useless extension candidates. Maximal degree in co-relation 0. Up to 692 conditions per place. [2021-03-26 03:50:23,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 3432 [2021-03-26 03:50:23,241 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:23,241 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:23,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1294 [2021-03-26 03:50:23,242 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 635 transitions, 21459 flow [2021-03-26 03:50:23,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:23,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:23,242 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:23,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 03:50:23,242 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:23,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:23,243 INFO L82 PathProgramCache]: Analyzing trace with hash -217531006, now seen corresponding path program 43 times [2021-03-26 03:50:23,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:23,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272073200] [2021-03-26 03:50:23,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:23,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:23,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:23,267 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:23,279 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:23,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:23,307 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:50:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:50:23,339 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:23,363 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:23,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:23,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:23,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272073200] [2021-03-26 03:50:23,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:23,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:23,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419027455] [2021-03-26 03:50:23,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:23,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:23,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:23,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:23,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:23,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 635 transitions, 21459 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:23,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:23,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:23,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:26,434 INFO L129 PetriNetUnfolder]: 731/8678 cut-off events. [2021-03-26 03:50:26,434 INFO L130 PetriNetUnfolder]: For 306933/318099 co-relation queries the response was YES. [2021-03-26 03:50:26,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60845 conditions, 8678 events. 731/8678 cut-off events. For 306933/318099 co-relation queries the response was YES. Maximal size of possible extension queue 1300. Compared 147719 event pairs, 374 based on Foata normal form. 57/8264 useless extension candidates. Maximal degree in co-relation 60715. Up to 1720 conditions per place. [2021-03-26 03:50:26,534 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 571 selfloop transitions, 310 changer transitions 3/898 dead transitions. [2021-03-26 03:50:26,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 898 transitions, 32786 flow [2021-03-26 03:50:26,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:26,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:26,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:26,536 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:26,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:26,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:26,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:26,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:26,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:26,537 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:26,537 INFO L185 Difference]: Start difference. First operand has 324 places, 635 transitions, 21459 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:26,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 898 transitions, 32786 flow [2021-03-26 03:50:28,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 898 transitions, 32280 flow, removed 214 selfloop flow, removed 3 redundant places. [2021-03-26 03:50:28,594 INFO L241 Difference]: Finished difference. Result has 336 places, 726 transitions, 25636 flow [2021-03-26 03:50:28,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=21175, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=25636, PETRI_PLACES=336, PETRI_TRANSITIONS=726} [2021-03-26 03:50:28,594 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 292 predicate places. [2021-03-26 03:50:28,594 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:28,594 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 726 transitions, 25636 flow [2021-03-26 03:50:28,595 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 726 transitions, 25636 flow [2021-03-26 03:50:28,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 726 transitions, 25636 flow [2021-03-26 03:50:30,008 INFO L129 PetriNetUnfolder]: 0/7069 cut-off events. [2021-03-26 03:50:30,008 INFO L130 PetriNetUnfolder]: For 245133/250123 co-relation queries the response was YES. [2021-03-26 03:50:30,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41425 conditions, 7069 events. 0/7069 cut-off events. For 245133/250123 co-relation queries the response was YES. Maximal size of possible extension queue 1137. Compared 128152 event pairs, 0 based on Foata normal form. 34/6811 useless extension candidates. Maximal degree in co-relation 0. Up to 797 conditions per place. [2021-03-26 03:50:30,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 3908 [2021-03-26 03:50:30,164 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:30,164 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:30,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1571 [2021-03-26 03:50:30,165 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 726 transitions, 25636 flow [2021-03-26 03:50:30,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:30,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:30,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:30,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 03:50:30,165 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:30,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:30,165 INFO L82 PathProgramCache]: Analyzing trace with hash -41679772, now seen corresponding path program 44 times [2021-03-26 03:50:30,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:30,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128224294] [2021-03-26 03:50:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:30,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:30,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:30,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:30,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:30,191 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:30,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:30,203 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:30,218 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:30,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:30,240 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:30,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:30,267 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:30,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:30,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128224294] [2021-03-26 03:50:30,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:30,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:30,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589031273] [2021-03-26 03:50:30,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:30,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:30,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:30,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:30,296 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:30,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 726 transitions, 25636 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:30,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:30,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:30,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:33,811 INFO L129 PetriNetUnfolder]: 687/8792 cut-off events. [2021-03-26 03:50:33,811 INFO L130 PetriNetUnfolder]: For 329734/340730 co-relation queries the response was YES. [2021-03-26 03:50:33,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63776 conditions, 8792 events. 687/8792 cut-off events. For 329734/340730 co-relation queries the response was YES. Maximal size of possible extension queue 1340. Compared 150252 event pairs, 589 based on Foata normal form. 49/8428 useless extension candidates. Maximal degree in co-relation 63641. Up to 1679 conditions per place. [2021-03-26 03:50:33,906 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 411 selfloop transitions, 418 changer transitions 1/844 dead transitions. [2021-03-26 03:50:33,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 844 transitions, 31549 flow [2021-03-26 03:50:33,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:33,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:33,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:33,908 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:33,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:33,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:33,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:33,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:33,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:33,909 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:33,909 INFO L185 Difference]: Start difference. First operand has 335 places, 726 transitions, 25636 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:33,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 844 transitions, 31549 flow [2021-03-26 03:50:36,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 844 transitions, 31006 flow, removed 173 selfloop flow, removed 4 redundant places. [2021-03-26 03:50:36,191 INFO L241 Difference]: Finished difference. Result has 345 places, 751 transitions, 27401 flow [2021-03-26 03:50:36,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=25187, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=393, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=27401, PETRI_PLACES=345, PETRI_TRANSITIONS=751} [2021-03-26 03:50:36,191 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 301 predicate places. [2021-03-26 03:50:36,191 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:36,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 751 transitions, 27401 flow [2021-03-26 03:50:36,192 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 751 transitions, 27401 flow [2021-03-26 03:50:36,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 751 transitions, 27401 flow [2021-03-26 03:50:37,700 INFO L129 PetriNetUnfolder]: 0/7476 cut-off events. [2021-03-26 03:50:37,700 INFO L130 PetriNetUnfolder]: For 269843/274516 co-relation queries the response was YES. [2021-03-26 03:50:37,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44996 conditions, 7476 events. 0/7476 cut-off events. For 269843/274516 co-relation queries the response was YES. Maximal size of possible extension queue 1216. Compared 136725 event pairs, 0 based on Foata normal form. 36/7185 useless extension candidates. Maximal degree in co-relation 0. Up to 852 conditions per place. [2021-03-26 03:50:37,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 4062 [2021-03-26 03:50:37,860 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:37,860 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:37,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1669 [2021-03-26 03:50:37,861 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 751 transitions, 27401 flow [2021-03-26 03:50:37,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:37,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:37,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:37,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 03:50:37,861 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:37,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:37,861 INFO L82 PathProgramCache]: Analyzing trace with hash -2049714668, now seen corresponding path program 45 times [2021-03-26 03:50:37,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:37,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504061950] [2021-03-26 03:50:37,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:37,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:37,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:37,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:37,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:37,888 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:37,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:37,900 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:37,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:37,928 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:50:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:50:37,961 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:37,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:37,987 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:37,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:38,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504061950] [2021-03-26 03:50:38,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:38,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:38,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129608284] [2021-03-26 03:50:38,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:38,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:38,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:38,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:38,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:38,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 751 transitions, 27401 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:38,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:38,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:38,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:41,875 INFO L129 PetriNetUnfolder]: 636/9207 cut-off events. [2021-03-26 03:50:41,875 INFO L130 PetriNetUnfolder]: For 353061/366332 co-relation queries the response was YES. [2021-03-26 03:50:41,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67009 conditions, 9207 events. 636/9207 cut-off events. For 353061/366332 co-relation queries the response was YES. Maximal size of possible extension queue 1422. Compared 160372 event pairs, 626 based on Foata normal form. 63/8823 useless extension candidates. Maximal degree in co-relation 66870. Up to 1590 conditions per place. [2021-03-26 03:50:41,970 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 312 selfloop transitions, 486 changer transitions 2/814 dead transitions. [2021-03-26 03:50:41,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 814 transitions, 31051 flow [2021-03-26 03:50:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:41,971 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:41,971 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:41,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:41,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:41,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:41,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,972 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,972 INFO L185 Difference]: Start difference. First operand has 344 places, 751 transitions, 27401 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:41,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 814 transitions, 31051 flow [2021-03-26 03:50:44,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 814 transitions, 30420 flow, removed 113 selfloop flow, removed 3 redundant places. [2021-03-26 03:50:44,368 INFO L241 Difference]: Finished difference. Result has 354 places, 770 transitions, 28677 flow [2021-03-26 03:50:44,369 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=26832, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=467, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28677, PETRI_PLACES=354, PETRI_TRANSITIONS=770} [2021-03-26 03:50:44,369 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 310 predicate places. [2021-03-26 03:50:44,369 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:44,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 354 places, 770 transitions, 28677 flow [2021-03-26 03:50:44,369 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 354 places, 770 transitions, 28677 flow [2021-03-26 03:50:44,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 353 places, 770 transitions, 28677 flow [2021-03-26 03:50:46,122 INFO L129 PetriNetUnfolder]: 0/7990 cut-off events. [2021-03-26 03:50:46,122 INFO L130 PetriNetUnfolder]: For 298843/303911 co-relation queries the response was YES. [2021-03-26 03:50:46,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49141 conditions, 7990 events. 0/7990 cut-off events. For 298843/303911 co-relation queries the response was YES. Maximal size of possible extension queue 1316. Compared 147565 event pairs, 0 based on Foata normal form. 35/7546 useless extension candidates. Maximal degree in co-relation 0. Up to 916 conditions per place. [2021-03-26 03:50:46,209 INFO L142 LiptonReduction]: Number of co-enabled transitions 4218 [2021-03-26 03:50:46,294 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:46,294 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:46,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1925 [2021-03-26 03:50:46,295 INFO L480 AbstractCegarLoop]: Abstraction has has 353 places, 770 transitions, 28677 flow [2021-03-26 03:50:46,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:46,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:46,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:46,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 03:50:46,296 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:46,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:46,296 INFO L82 PathProgramCache]: Analyzing trace with hash -759143782, now seen corresponding path program 46 times [2021-03-26 03:50:46,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:46,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134350326] [2021-03-26 03:50:46,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:46,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:46,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:46,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:46,315 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:46,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:46,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:46,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:46,335 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:46,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:46,365 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:50:46,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:46,399 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:46,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:46,426 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:46,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:46,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134350326] [2021-03-26 03:50:46,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:46,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:46,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640719851] [2021-03-26 03:50:46,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:46,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:46,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:46,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:46,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:46,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 770 transitions, 28677 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:46,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:46,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:46,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:50,464 INFO L129 PetriNetUnfolder]: 633/9256 cut-off events. [2021-03-26 03:50:50,464 INFO L130 PetriNetUnfolder]: For 362647/375834 co-relation queries the response was YES. [2021-03-26 03:50:50,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68005 conditions, 9256 events. 633/9256 cut-off events. For 362647/375834 co-relation queries the response was YES. Maximal size of possible extension queue 1426. Compared 161487 event pairs, 563 based on Foata normal form. 81/8867 useless extension candidates. Maximal degree in co-relation 67862. Up to 1771 conditions per place. [2021-03-26 03:50:50,555 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 390 selfloop transitions, 498 changer transitions 2/904 dead transitions. [2021-03-26 03:50:50,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 904 transitions, 35678 flow [2021-03-26 03:50:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:50,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:50,556 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:50,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:50,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:50,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:50,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:50,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:50,558 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:50,558 INFO L185 Difference]: Start difference. First operand has 353 places, 770 transitions, 28677 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:50,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 904 transitions, 35678 flow [2021-03-26 03:50:53,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 904 transitions, 34822 flow, removed 41 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:53,060 INFO L241 Difference]: Finished difference. Result has 362 places, 807 transitions, 31011 flow [2021-03-26 03:50:53,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=27861, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=461, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=31011, PETRI_PLACES=362, PETRI_TRANSITIONS=807} [2021-03-26 03:50:53,060 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 318 predicate places. [2021-03-26 03:50:53,060 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:53,061 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 807 transitions, 31011 flow [2021-03-26 03:50:53,061 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 362 places, 807 transitions, 31011 flow [2021-03-26 03:50:53,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 361 places, 807 transitions, 31011 flow [2021-03-26 03:50:54,810 INFO L129 PetriNetUnfolder]: 0/8002 cut-off events. [2021-03-26 03:50:54,810 INFO L130 PetriNetUnfolder]: For 317465/322733 co-relation queries the response was YES. [2021-03-26 03:50:54,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50484 conditions, 8002 events. 0/8002 cut-off events. For 317465/322733 co-relation queries the response was YES. Maximal size of possible extension queue 1328. Compared 147966 event pairs, 0 based on Foata normal form. 36/7607 useless extension candidates. Maximal degree in co-relation 0. Up to 918 conditions per place. [2021-03-26 03:50:54,895 INFO L142 LiptonReduction]: Number of co-enabled transitions 4556 [2021-03-26 03:50:54,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:54,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:54,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1924 [2021-03-26 03:50:54,984 INFO L480 AbstractCegarLoop]: Abstraction has has 361 places, 807 transitions, 31011 flow [2021-03-26 03:50:54,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:54,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:54,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:54,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 03:50:54,985 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:54,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:54,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2074043056, now seen corresponding path program 47 times [2021-03-26 03:50:54,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:54,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997163755] [2021-03-26 03:50:54,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:54,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:54,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:54,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:55,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:55,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:55,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:55,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:55,021 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:55,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:55,037 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:55,058 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:50:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:50:55,085 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:50:55,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:55,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997163755] [2021-03-26 03:50:55,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:55,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:50:55,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565485213] [2021-03-26 03:50:55,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:50:55,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:55,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:50:55,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:50:55,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:50:55,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 807 transitions, 31011 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:55,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:55,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:50:55,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:59,449 INFO L129 PetriNetUnfolder]: 581/9557 cut-off events. [2021-03-26 03:50:59,449 INFO L130 PetriNetUnfolder]: For 391062/404380 co-relation queries the response was YES. [2021-03-26 03:50:59,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71256 conditions, 9557 events. 581/9557 cut-off events. For 391062/404380 co-relation queries the response was YES. Maximal size of possible extension queue 1497. Compared 168963 event pairs, 547 based on Foata normal form. 66/9147 useless extension candidates. Maximal degree in co-relation 71109. Up to 1737 conditions per place. [2021-03-26 03:50:59,540 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 459 selfloop transitions, 445 changer transitions 2/920 dead transitions. [2021-03-26 03:50:59,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 920 transitions, 37132 flow [2021-03-26 03:50:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:50:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:50:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:50:59,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:50:59,542 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:50:59,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:50:59,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:59,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:50:59,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:59,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:59,543 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:59,543 INFO L185 Difference]: Start difference. First operand has 361 places, 807 transitions, 31011 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:50:59,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 920 transitions, 37132 flow [2021-03-26 03:51:02,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 920 transitions, 36443 flow, removed 142 selfloop flow, removed 3 redundant places. [2021-03-26 03:51:02,481 INFO L241 Difference]: Finished difference. Result has 371 places, 836 transitions, 32636 flow [2021-03-26 03:51:02,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=30352, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=32636, PETRI_PLACES=371, PETRI_TRANSITIONS=836} [2021-03-26 03:51:02,481 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 327 predicate places. [2021-03-26 03:51:02,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:02,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 836 transitions, 32636 flow [2021-03-26 03:51:02,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 836 transitions, 32636 flow [2021-03-26 03:51:02,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 370 places, 836 transitions, 32636 flow [2021-03-26 03:51:04,481 INFO L129 PetriNetUnfolder]: 0/8464 cut-off events. [2021-03-26 03:51:04,481 INFO L130 PetriNetUnfolder]: For 345646/352043 co-relation queries the response was YES. [2021-03-26 03:51:04,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54424 conditions, 8464 events. 0/8464 cut-off events. For 345646/352043 co-relation queries the response was YES. Maximal size of possible extension queue 1416. Compared 157608 event pairs, 0 based on Foata normal form. 34/7972 useless extension candidates. Maximal degree in co-relation 0. Up to 982 conditions per place. [2021-03-26 03:51:04,582 INFO L142 LiptonReduction]: Number of co-enabled transitions 4738 [2021-03-26 03:51:04,674 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:04,674 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:04,674 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2193 [2021-03-26 03:51:04,675 INFO L480 AbstractCegarLoop]: Abstraction has has 370 places, 836 transitions, 32636 flow [2021-03-26 03:51:04,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:04,675 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:04,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:04,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 03:51:04,675 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:04,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:04,675 INFO L82 PathProgramCache]: Analyzing trace with hash 678417136, now seen corresponding path program 48 times [2021-03-26 03:51:04,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:04,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531086613] [2021-03-26 03:51:04,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:04,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:04,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:04,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:04,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:04,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:04,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:04,703 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:04,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:04,715 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:04,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:04,731 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:51:04,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:51:04,752 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:51:04,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:51:04,778 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:51:04,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:51:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:04,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531086613] [2021-03-26 03:51:04,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:04,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:51:04,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166661349] [2021-03-26 03:51:04,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:51:04,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:04,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:51:04,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:51:04,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:51:04,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 836 transitions, 32636 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:04,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:04,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:51:04,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:09,394 INFO L129 PetriNetUnfolder]: 547/9861 cut-off events. [2021-03-26 03:51:09,394 INFO L130 PetriNetUnfolder]: For 410426/423751 co-relation queries the response was YES. [2021-03-26 03:51:09,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73749 conditions, 9861 events. 547/9861 cut-off events. For 410426/423751 co-relation queries the response was YES. Maximal size of possible extension queue 1553. Compared 176043 event pairs, 547 based on Foata normal form. 66/9412 useless extension candidates. Maximal degree in co-relation 73598. Up to 1687 conditions per place. [2021-03-26 03:51:09,489 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 394 selfloop transitions, 503 changer transitions 3/914 dead transitions. [2021-03-26 03:51:09,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 914 transitions, 37156 flow [2021-03-26 03:51:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:51:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:51:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:51:09,490 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:51:09,490 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:51:09,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:51:09,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:09,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:51:09,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:09,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:09,491 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:09,491 INFO L185 Difference]: Start difference. First operand has 370 places, 836 transitions, 32636 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:51:09,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 914 transitions, 37156 flow [2021-03-26 03:51:12,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 914 transitions, 36625 flow, removed 61 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:12,649 INFO L241 Difference]: Finished difference. Result has 379 places, 864 transitions, 34416 flow [2021-03-26 03:51:12,650 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32123, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=475, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34416, PETRI_PLACES=379, PETRI_TRANSITIONS=864} [2021-03-26 03:51:12,650 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 335 predicate places. [2021-03-26 03:51:12,650 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:12,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 379 places, 864 transitions, 34416 flow [2021-03-26 03:51:12,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 379 places, 864 transitions, 34416 flow [2021-03-26 03:51:12,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 378 places, 864 transitions, 34416 flow [2021-03-26 03:51:14,697 INFO L129 PetriNetUnfolder]: 0/8832 cut-off events. [2021-03-26 03:51:14,697 INFO L130 PetriNetUnfolder]: For 373860/380220 co-relation queries the response was YES. [2021-03-26 03:51:14,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58011 conditions, 8832 events. 0/8832 cut-off events. For 373860/380220 co-relation queries the response was YES. Maximal size of possible extension queue 1477. Compared 165501 event pairs, 0 based on Foata normal form. 34/8325 useless extension candidates. Maximal degree in co-relation 0. Up to 1027 conditions per place. [2021-03-26 03:51:14,794 INFO L142 LiptonReduction]: Number of co-enabled transitions 4956 [2021-03-26 03:51:14,898 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:14,898 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:14,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2249 [2021-03-26 03:51:14,899 INFO L480 AbstractCegarLoop]: Abstraction has has 378 places, 864 transitions, 34416 flow [2021-03-26 03:51:14,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:14,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:14,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:14,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 03:51:14,899 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:14,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:14,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1892064860, now seen corresponding path program 49 times [2021-03-26 03:51:14,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:14,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144002236] [2021-03-26 03:51:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:14,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:14,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:14,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:14,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:14,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:14,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:14,936 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:14,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:14,952 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:51:14,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:51:14,973 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:51:14,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:51:14,996 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:51:14,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:51:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:15,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144002236] [2021-03-26 03:51:15,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:15,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:51:15,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253037426] [2021-03-26 03:51:15,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:51:15,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:15,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:51:15,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:51:15,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:51:15,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 864 transitions, 34416 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:15,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:15,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:51:15,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:19,747 INFO L129 PetriNetUnfolder]: 547/9870 cut-off events. [2021-03-26 03:51:19,747 INFO L130 PetriNetUnfolder]: For 425794/439125 co-relation queries the response was YES. [2021-03-26 03:51:19,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74884 conditions, 9870 events. 547/9870 cut-off events. For 425794/439125 co-relation queries the response was YES. Maximal size of possible extension queue 1551. Compared 176352 event pairs, 523 based on Foata normal form. 84/9454 useless extension candidates. Maximal degree in co-relation 74730. Up to 1828 conditions per place. [2021-03-26 03:51:19,844 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 429 selfloop transitions, 539 changer transitions 1/983 dead transitions. [2021-03-26 03:51:19,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 983 transitions, 41062 flow [2021-03-26 03:51:19,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:51:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:51:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:51:19,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:51:19,845 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:51:19,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:51:19,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:19,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:51:19,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:19,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:19,846 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:19,846 INFO L185 Difference]: Start difference. First operand has 378 places, 864 transitions, 34416 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:51:19,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 983 transitions, 41062 flow [2021-03-26 03:51:23,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 983 transitions, 40567 flow, removed 40 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:23,263 INFO L241 Difference]: Finished difference. Result has 386 places, 893 transitions, 36583 flow [2021-03-26 03:51:23,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=33935, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36583, PETRI_PLACES=386, PETRI_TRANSITIONS=893} [2021-03-26 03:51:23,264 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 342 predicate places. [2021-03-26 03:51:23,264 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:23,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 893 transitions, 36583 flow [2021-03-26 03:51:23,264 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 893 transitions, 36583 flow [2021-03-26 03:51:23,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 893 transitions, 36583 flow [2021-03-26 03:51:25,424 INFO L129 PetriNetUnfolder]: 0/8825 cut-off events. [2021-03-26 03:51:25,425 INFO L130 PetriNetUnfolder]: For 394359/400710 co-relation queries the response was YES. [2021-03-26 03:51:25,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59297 conditions, 8825 events. 0/8825 cut-off events. For 394359/400710 co-relation queries the response was YES. Maximal size of possible extension queue 1476. Compared 165514 event pairs, 0 based on Foata normal form. 34/8367 useless extension candidates. Maximal degree in co-relation 0. Up to 1026 conditions per place. [2021-03-26 03:51:25,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 5240 [2021-03-26 03:51:25,644 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:25,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:25,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2380 [2021-03-26 03:51:25,644 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 893 transitions, 36583 flow [2021-03-26 03:51:25,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:25,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:25,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:25,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 03:51:25,644 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:25,645 INFO L82 PathProgramCache]: Analyzing trace with hash 468623204, now seen corresponding path program 50 times [2021-03-26 03:51:25,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:25,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168427365] [2021-03-26 03:51:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:25,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:25,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:25,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:25,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:25,661 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:25,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:25,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:25,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:25,679 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:51:25,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:51:25,694 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:25,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:25,712 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:51:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:51:25,736 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:51:25,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:51:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:25,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168427365] [2021-03-26 03:51:25,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:25,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:51:25,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396968316] [2021-03-26 03:51:25,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:51:25,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:25,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:51:25,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:51:25,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:51:25,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 893 transitions, 36583 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:25,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:25,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:51:25,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:30,700 INFO L129 PetriNetUnfolder]: 547/9863 cut-off events. [2021-03-26 03:51:30,701 INFO L130 PetriNetUnfolder]: For 444311/457625 co-relation queries the response was YES. [2021-03-26 03:51:30,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76192 conditions, 9863 events. 547/9863 cut-off events. For 444311/457625 co-relation queries the response was YES. Maximal size of possible extension queue 1550. Compared 176154 event pairs, 523 based on Foata normal form. 84/9453 useless extension candidates. Maximal degree in co-relation 76036. Up to 1828 conditions per place. [2021-03-26 03:51:30,808 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 396 selfloop transitions, 542 changer transitions 1/953 dead transitions. [2021-03-26 03:51:30,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 953 transitions, 40695 flow [2021-03-26 03:51:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:51:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:51:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:51:30,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:51:30,809 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:51:30,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:51:30,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:30,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:51:30,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:30,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:30,810 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:30,810 INFO L185 Difference]: Start difference. First operand has 385 places, 893 transitions, 36583 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:51:30,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 953 transitions, 40695 flow [2021-03-26 03:51:34,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 953 transitions, 39791 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:34,515 INFO L241 Difference]: Finished difference. Result has 392 places, 944 transitions, 39198 flow [2021-03-26 03:51:34,516 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=35695, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=893, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=490, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39198, PETRI_PLACES=392, PETRI_TRANSITIONS=944} [2021-03-26 03:51:34,516 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 348 predicate places. [2021-03-26 03:51:34,516 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:34,516 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 392 places, 944 transitions, 39198 flow [2021-03-26 03:51:34,516 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 392 places, 944 transitions, 39198 flow [2021-03-26 03:51:34,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 391 places, 944 transitions, 39198 flow [2021-03-26 03:51:36,688 INFO L129 PetriNetUnfolder]: 0/8821 cut-off events. [2021-03-26 03:51:36,688 INFO L130 PetriNetUnfolder]: For 400505/405590 co-relation queries the response was YES. [2021-03-26 03:51:36,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59961 conditions, 8821 events. 0/8821 cut-off events. For 400505/405590 co-relation queries the response was YES. Maximal size of possible extension queue 1475. Compared 165418 event pairs, 0 based on Foata normal form. 48/8367 useless extension candidates. Maximal degree in co-relation 0. Up to 1025 conditions per place. [2021-03-26 03:51:36,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 5490 [2021-03-26 03:51:36,913 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:36,913 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:36,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2397 [2021-03-26 03:51:36,913 INFO L480 AbstractCegarLoop]: Abstraction has has 391 places, 944 transitions, 39198 flow [2021-03-26 03:51:36,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:36,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:36,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:36,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 03:51:36,914 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:36,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:36,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1052512950, now seen corresponding path program 51 times [2021-03-26 03:51:36,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:36,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665096783] [2021-03-26 03:51:36,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:36,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:36,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:36,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:36,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:36,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:36,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:36,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:36,954 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:51:36,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:51:36,969 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:36,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:36,991 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:51:36,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:51:37,022 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:51:37,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:51:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:37,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665096783] [2021-03-26 03:51:37,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:37,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:51:37,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298215610] [2021-03-26 03:51:37,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:51:37,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:37,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:51:37,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:51:37,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:51:37,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 944 transitions, 39198 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:37,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:37,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:51:37,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:42,187 INFO L129 PetriNetUnfolder]: 547/9859 cut-off events. [2021-03-26 03:51:42,187 INFO L130 PetriNetUnfolder]: For 453472/466786 co-relation queries the response was YES. [2021-03-26 03:51:42,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76854 conditions, 9859 events. 547/9859 cut-off events. For 453472/466786 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 176133 event pairs, 523 based on Foata normal form. 84/9449 useless extension candidates. Maximal degree in co-relation 76696. Up to 1828 conditions per place. [2021-03-26 03:51:42,285 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 393 selfloop transitions, 543 changer transitions 2/952 dead transitions. [2021-03-26 03:51:42,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 952 transitions, 41197 flow [2021-03-26 03:51:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:51:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:51:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:51:42,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:51:42,286 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:51:42,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:51:42,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:42,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:51:42,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:42,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:42,287 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:42,287 INFO L185 Difference]: Start difference. First operand has 391 places, 944 transitions, 39198 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:51:42,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 952 transitions, 41197 flow [2021-03-26 03:51:45,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 952 transitions, 40301 flow, removed 51 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:45,990 INFO L241 Difference]: Finished difference. Result has 396 places, 942 transitions, 39300 flow [2021-03-26 03:51:45,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38312, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=543, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39300, PETRI_PLACES=396, PETRI_TRANSITIONS=942} [2021-03-26 03:51:45,990 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 352 predicate places. [2021-03-26 03:51:45,990 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:45,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 396 places, 942 transitions, 39300 flow [2021-03-26 03:51:45,991 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 396 places, 942 transitions, 39300 flow [2021-03-26 03:51:46,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 942 transitions, 39300 flow [2021-03-26 03:51:48,146 INFO L129 PetriNetUnfolder]: 0/8815 cut-off events. [2021-03-26 03:51:48,146 INFO L130 PetriNetUnfolder]: For 400332/405419 co-relation queries the response was YES. [2021-03-26 03:51:48,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60269 conditions, 8815 events. 0/8815 cut-off events. For 400332/405419 co-relation queries the response was YES. Maximal size of possible extension queue 1474. Compared 165165 event pairs, 0 based on Foata normal form. 47/8364 useless extension candidates. Maximal degree in co-relation 0. Up to 1024 conditions per place. [2021-03-26 03:51:48,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 5468 [2021-03-26 03:51:48,368 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:48,368 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:48,368 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2378 [2021-03-26 03:51:48,369 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 942 transitions, 39300 flow [2021-03-26 03:51:48,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:48,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:48,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:48,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 03:51:48,369 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:48,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:48,369 INFO L82 PathProgramCache]: Analyzing trace with hash 846540994, now seen corresponding path program 52 times [2021-03-26 03:51:48,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:48,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144261448] [2021-03-26 03:51:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:48,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:48,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:48,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:48,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:48,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:48,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:48,395 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:48,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:48,408 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:51:48,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:51:48,424 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:48,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:48,444 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:51:48,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:51:48,477 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:51:48,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:51:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:48,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144261448] [2021-03-26 03:51:48,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:48,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:51:48,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081494864] [2021-03-26 03:51:48,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:51:48,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:48,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:51:48,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:51:48,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:51:48,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 942 transitions, 39300 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:48,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:48,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:51:48,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:53,568 INFO L129 PetriNetUnfolder]: 547/9853 cut-off events. [2021-03-26 03:51:53,569 INFO L130 PetriNetUnfolder]: For 451081/464395 co-relation queries the response was YES. [2021-03-26 03:51:53,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77183 conditions, 9853 events. 547/9853 cut-off events. For 451081/464395 co-relation queries the response was YES. Maximal size of possible extension queue 1548. Compared 175989 event pairs, 523 based on Foata normal form. 84/9444 useless extension candidates. Maximal degree in co-relation 77025. Up to 1828 conditions per place. [2021-03-26 03:51:53,683 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 393 selfloop transitions, 542 changer transitions 1/950 dead transitions. [2021-03-26 03:51:53,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 950 transitions, 41295 flow [2021-03-26 03:51:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:51:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:51:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:51:53,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:51:53,684 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:51:53,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:51:53,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:53,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:51:53,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:53,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:53,686 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:53,686 INFO L185 Difference]: Start difference. First operand has 395 places, 942 transitions, 39300 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:51:53,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 950 transitions, 41295 flow [2021-03-26 03:51:57,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 950 transitions, 40202 flow, removed 56 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:57,407 INFO L241 Difference]: Finished difference. Result has 399 places, 941 transitions, 39247 flow [2021-03-26 03:51:57,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38217, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39247, PETRI_PLACES=399, PETRI_TRANSITIONS=941} [2021-03-26 03:51:57,408 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 355 predicate places. [2021-03-26 03:51:57,408 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:57,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 941 transitions, 39247 flow [2021-03-26 03:51:57,408 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 941 transitions, 39247 flow [2021-03-26 03:51:57,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 941 transitions, 39247 flow [2021-03-26 03:51:59,511 INFO L129 PetriNetUnfolder]: 0/8810 cut-off events. [2021-03-26 03:51:59,511 INFO L130 PetriNetUnfolder]: For 396451/401524 co-relation queries the response was YES. [2021-03-26 03:51:59,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60300 conditions, 8810 events. 0/8810 cut-off events. For 396451/401524 co-relation queries the response was YES. Maximal size of possible extension queue 1473. Compared 165302 event pairs, 0 based on Foata normal form. 47/8380 useless extension candidates. Maximal degree in co-relation 0. Up to 1023 conditions per place. [2021-03-26 03:51:59,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 5460 [2021-03-26 03:51:59,750 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:59,750 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:59,750 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2342 [2021-03-26 03:51:59,750 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 941 transitions, 39247 flow [2021-03-26 03:51:59,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:59,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:59,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:59,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 03:51:59,751 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:59,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1924882556, now seen corresponding path program 53 times [2021-03-26 03:51:59,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:59,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847687153] [2021-03-26 03:51:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:59,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:59,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:59,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:59,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:59,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:59,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:59,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:59,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:59,783 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:51:59,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:51:59,810 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:51:59,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:59,839 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:51:59,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:51:59,863 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:51:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:51:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:59,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847687153] [2021-03-26 03:51:59,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:59,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:51:59,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559932002] [2021-03-26 03:51:59,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:51:59,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:59,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:51:59,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:51:59,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:51:59,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 941 transitions, 39247 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:59,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:59,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:51:59,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:04,920 INFO L129 PetriNetUnfolder]: 547/9848 cut-off events. [2021-03-26 03:52:04,920 INFO L130 PetriNetUnfolder]: For 449094/462408 co-relation queries the response was YES. [2021-03-26 03:52:05,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77212 conditions, 9848 events. 547/9848 cut-off events. For 449094/462408 co-relation queries the response was YES. Maximal size of possible extension queue 1547. Compared 175824 event pairs, 523 based on Foata normal form. 84/9440 useless extension candidates. Maximal degree in co-relation 77054. Up to 1828 conditions per place. [2021-03-26 03:52:05,026 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 421 selfloop transitions, 535 changer transitions 2/972 dead transitions. [2021-03-26 03:52:05,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 972 transitions, 42414 flow [2021-03-26 03:52:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:52:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:52:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:52:05,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:52:05,027 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:52:05,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:52:05,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:05,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:52:05,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:05,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:05,029 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:05,029 INFO L185 Difference]: Start difference. First operand has 398 places, 941 transitions, 39247 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:52:05,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 972 transitions, 42414 flow [2021-03-26 03:52:08,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 972 transitions, 41608 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:52:08,836 INFO L241 Difference]: Finished difference. Result has 404 places, 945 transitions, 39759 flow [2021-03-26 03:52:08,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38451, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=530, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39759, PETRI_PLACES=404, PETRI_TRANSITIONS=945} [2021-03-26 03:52:08,837 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 360 predicate places. [2021-03-26 03:52:08,837 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:08,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 945 transitions, 39759 flow [2021-03-26 03:52:08,837 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 945 transitions, 39759 flow [2021-03-26 03:52:08,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 945 transitions, 39759 flow [2021-03-26 03:52:10,984 INFO L129 PetriNetUnfolder]: 0/8802 cut-off events. [2021-03-26 03:52:10,984 INFO L130 PetriNetUnfolder]: For 401112/407495 co-relation queries the response was YES. [2021-03-26 03:52:10,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60813 conditions, 8802 events. 0/8802 cut-off events. For 401112/407495 co-relation queries the response was YES. Maximal size of possible extension queue 1483. Compared 164913 event pairs, 0 based on Foata normal form. 46/8351 useless extension candidates. Maximal degree in co-relation 0. Up to 1022 conditions per place. [2021-03-26 03:52:11,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 5470 [2021-03-26 03:52:11,202 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:11,202 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:11,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2366 [2021-03-26 03:52:11,203 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 945 transitions, 39759 flow [2021-03-26 03:52:11,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:11,203 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:11,203 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:11,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 03:52:11,203 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:11,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:11,203 INFO L82 PathProgramCache]: Analyzing trace with hash 935046624, now seen corresponding path program 54 times [2021-03-26 03:52:11,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:11,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069162460] [2021-03-26 03:52:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:11,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:11,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:11,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:11,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:11,221 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:11,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:11,230 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:11,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:11,243 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:52:11,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:52:11,269 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:11,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:11,296 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:52:11,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:52:11,325 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:52:11,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:52:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:11,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069162460] [2021-03-26 03:52:11,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:11,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:52:11,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854122797] [2021-03-26 03:52:11,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:52:11,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:11,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:52:11,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:52:11,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:52:11,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 945 transitions, 39759 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:11,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:11,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:52:11,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:16,332 INFO L129 PetriNetUnfolder]: 547/9840 cut-off events. [2021-03-26 03:52:16,332 INFO L130 PetriNetUnfolder]: For 451003/464317 co-relation queries the response was YES. [2021-03-26 03:52:16,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77746 conditions, 9840 events. 547/9840 cut-off events. For 451003/464317 co-relation queries the response was YES. Maximal size of possible extension queue 1545. Compared 175674 event pairs, 523 based on Foata normal form. 84/9432 useless extension candidates. Maximal degree in co-relation 77587. Up to 1828 conditions per place. [2021-03-26 03:52:16,439 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 417 selfloop transitions, 538 changer transitions 1/970 dead transitions. [2021-03-26 03:52:16,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 970 transitions, 42633 flow [2021-03-26 03:52:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:52:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:52:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:52:16,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:52:16,440 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:52:16,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:52:16,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:16,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:52:16,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:16,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:16,441 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:16,441 INFO L185 Difference]: Start difference. First operand has 403 places, 945 transitions, 39759 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:52:16,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 970 transitions, 42633 flow [2021-03-26 03:52:20,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 970 transitions, 41573 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 03:52:20,543 INFO L241 Difference]: Finished difference. Result has 407 places, 961 transitions, 40682 flow [2021-03-26 03:52:20,544 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38709, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=521, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40682, PETRI_PLACES=407, PETRI_TRANSITIONS=961} [2021-03-26 03:52:20,544 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 363 predicate places. [2021-03-26 03:52:20,544 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:20,544 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 961 transitions, 40682 flow [2021-03-26 03:52:20,544 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 961 transitions, 40682 flow [2021-03-26 03:52:20,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 961 transitions, 40682 flow [2021-03-26 03:52:22,787 INFO L129 PetriNetUnfolder]: 0/8799 cut-off events. [2021-03-26 03:52:22,787 INFO L130 PetriNetUnfolder]: For 405336/411719 co-relation queries the response was YES. [2021-03-26 03:52:22,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60879 conditions, 8799 events. 0/8799 cut-off events. For 405336/411719 co-relation queries the response was YES. Maximal size of possible extension queue 1470. Compared 164906 event pairs, 0 based on Foata normal form. 46/8336 useless extension candidates. Maximal degree in co-relation 0. Up to 1022 conditions per place. [2021-03-26 03:52:22,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 5538 [2021-03-26 03:52:23,015 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:23,015 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:23,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2472 [2021-03-26 03:52:23,016 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 961 transitions, 40682 flow [2021-03-26 03:52:23,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:23,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:23,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:23,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 03:52:23,016 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:23,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash -69232374, now seen corresponding path program 55 times [2021-03-26 03:52:23,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:23,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726628048] [2021-03-26 03:52:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:23,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:23,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:23,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:23,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:23,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:23,040 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:23,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:23,050 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:52:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:52:23,064 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:23,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:23,083 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:52:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:52:23,106 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:52:23,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:52:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:23,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726628048] [2021-03-26 03:52:23,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:23,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:52:23,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721830284] [2021-03-26 03:52:23,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:52:23,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:23,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:52:23,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:52:23,128 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:52:23,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 961 transitions, 40682 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:23,129 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:23,129 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:52:23,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:28,233 INFO L129 PetriNetUnfolder]: 547/9837 cut-off events. [2021-03-26 03:52:28,233 INFO L130 PetriNetUnfolder]: For 453649/466958 co-relation queries the response was YES. [2021-03-26 03:52:28,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77810 conditions, 9837 events. 547/9837 cut-off events. For 453649/466958 co-relation queries the response was YES. Maximal size of possible extension queue 1544. Compared 175636 event pairs, 523 based on Foata normal form. 82/9427 useless extension candidates. Maximal degree in co-relation 77650. Up to 1828 conditions per place. [2021-03-26 03:52:28,345 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 393 selfloop transitions, 561 changer transitions 1/969 dead transitions. [2021-03-26 03:52:28,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 969 transitions, 42715 flow [2021-03-26 03:52:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:52:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:52:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:52:28,347 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:52:28,347 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:52:28,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:52:28,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:28,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:52:28,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:28,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:28,348 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:28,348 INFO L185 Difference]: Start difference. First operand has 406 places, 961 transitions, 40682 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:52:28,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 969 transitions, 42715 flow [2021-03-26 03:52:32,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 969 transitions, 41706 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 03:52:32,834 INFO L241 Difference]: Finished difference. Result has 410 places, 960 transitions, 40753 flow [2021-03-26 03:52:32,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39683, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=561, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40753, PETRI_PLACES=410, PETRI_TRANSITIONS=960} [2021-03-26 03:52:32,835 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 366 predicate places. [2021-03-26 03:52:32,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:32,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 960 transitions, 40753 flow [2021-03-26 03:52:32,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 960 transitions, 40753 flow [2021-03-26 03:52:32,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 960 transitions, 40753 flow [2021-03-26 03:52:35,481 INFO L129 PetriNetUnfolder]: 0/8794 cut-off events. [2021-03-26 03:52:35,481 INFO L130 PetriNetUnfolder]: For 403451/409634 co-relation queries the response was YES. [2021-03-26 03:52:35,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61001 conditions, 8794 events. 0/8794 cut-off events. For 403451/409634 co-relation queries the response was YES. Maximal size of possible extension queue 1469. Compared 164806 event pairs, 0 based on Foata normal form. 47/8344 useless extension candidates. Maximal degree in co-relation 0. Up to 1021 conditions per place. [2021-03-26 03:52:35,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 5530 [2021-03-26 03:52:35,766 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:35,766 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:35,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2931 [2021-03-26 03:52:35,766 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 960 transitions, 40753 flow [2021-03-26 03:52:35,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:35,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:35,767 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:35,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 03:52:35,767 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:35,767 INFO L82 PathProgramCache]: Analyzing trace with hash -551361924, now seen corresponding path program 56 times [2021-03-26 03:52:35,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:35,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861917103] [2021-03-26 03:52:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:35,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:35,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:35,789 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:35,798 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:35,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:35,810 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:52:35,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:52:35,829 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:35,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:35,853 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:52:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:52:35,883 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:52:35,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:52:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:35,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861917103] [2021-03-26 03:52:35,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:35,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:52:35,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932545543] [2021-03-26 03:52:35,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:52:35,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:35,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:52:35,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:52:35,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:52:35,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 960 transitions, 40753 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:35,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:35,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:52:35,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:41,660 INFO L129 PetriNetUnfolder]: 547/9832 cut-off events. [2021-03-26 03:52:41,660 INFO L130 PetriNetUnfolder]: For 453463/466772 co-relation queries the response was YES. [2021-03-26 03:52:41,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77930 conditions, 9832 events. 547/9832 cut-off events. For 453463/466772 co-relation queries the response was YES. Maximal size of possible extension queue 1543. Compared 175499 event pairs, 523 based on Foata normal form. 82/9423 useless extension candidates. Maximal degree in co-relation 77770. Up to 1828 conditions per place. [2021-03-26 03:52:41,746 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 392 selfloop transitions, 561 changer transitions 1/968 dead transitions. [2021-03-26 03:52:41,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 968 transitions, 42784 flow [2021-03-26 03:52:41,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:52:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:52:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:52:41,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:52:41,748 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:52:41,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:52:41,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:41,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:52:41,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:41,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:41,749 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:41,749 INFO L185 Difference]: Start difference. First operand has 409 places, 960 transitions, 40753 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:52:41,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 968 transitions, 42784 flow [2021-03-26 03:52:45,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 968 transitions, 41673 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:52:45,677 INFO L241 Difference]: Finished difference. Result has 412 places, 959 transitions, 40717 flow [2021-03-26 03:52:45,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39652, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=561, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40717, PETRI_PLACES=412, PETRI_TRANSITIONS=959} [2021-03-26 03:52:45,678 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 368 predicate places. [2021-03-26 03:52:45,678 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:45,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 959 transitions, 40717 flow [2021-03-26 03:52:45,678 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 959 transitions, 40717 flow [2021-03-26 03:52:45,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 959 transitions, 40717 flow [2021-03-26 03:52:48,381 INFO L129 PetriNetUnfolder]: 0/8790 cut-off events. [2021-03-26 03:52:48,382 INFO L130 PetriNetUnfolder]: For 402999/408084 co-relation queries the response was YES. [2021-03-26 03:52:48,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61001 conditions, 8790 events. 0/8790 cut-off events. For 402999/408084 co-relation queries the response was YES. Maximal size of possible extension queue 1468. Compared 164803 event pairs, 0 based on Foata normal form. 48/8363 useless extension candidates. Maximal degree in co-relation 0. Up to 1020 conditions per place. [2021-03-26 03:52:48,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 5520 [2021-03-26 03:52:48,582 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:48,582 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:48,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2904 [2021-03-26 03:52:48,582 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 959 transitions, 40717 flow [2021-03-26 03:52:48,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:48,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:48,582 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] [2021-03-26 03:52:48,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 03:52:48,582 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:48,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:48,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1169664100, now seen corresponding path program 57 times [2021-03-26 03:52:48,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:48,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391546578] [2021-03-26 03:52:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:48,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:48,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:48,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:48,601 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:48,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:48,609 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:48,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:48,621 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:52:48,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:52:48,638 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:48,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:48,660 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:52:48,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:52:48,685 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:52:48,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:52:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:48,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391546578] [2021-03-26 03:52:48,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:48,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:52:48,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368287417] [2021-03-26 03:52:48,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:52:48,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:48,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:52:48,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:52:48,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:52:48,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 959 transitions, 40717 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:48,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:48,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:52:48,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:54,299 INFO L129 PetriNetUnfolder]: 547/9828 cut-off events. [2021-03-26 03:52:54,299 INFO L130 PetriNetUnfolder]: For 453259/466573 co-relation queries the response was YES. [2021-03-26 03:52:54,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77928 conditions, 9828 events. 547/9828 cut-off events. For 453259/466573 co-relation queries the response was YES. Maximal size of possible extension queue 1542. Compared 175420 event pairs, 523 based on Foata normal form. 84/9422 useless extension candidates. Maximal degree in co-relation 77768. Up to 1828 conditions per place. [2021-03-26 03:52:54,388 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 391 selfloop transitions, 559 changer transitions 3/967 dead transitions. [2021-03-26 03:52:54,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 967 transitions, 42746 flow [2021-03-26 03:52:54,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:52:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:52:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:52:54,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:52:54,389 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:52:54,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:52:54,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:54,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:52:54,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:54,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:54,390 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:54,390 INFO L185 Difference]: Start difference. First operand has 411 places, 959 transitions, 40717 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:52:54,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 967 transitions, 42746 flow [2021-03-26 03:52:58,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 967 transitions, 41947 flow, removed 33 selfloop flow, removed 5 redundant places. [2021-03-26 03:52:58,385 INFO L241 Difference]: Finished difference. Result has 415 places, 956 transitions, 40886 flow [2021-03-26 03:52:58,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39928, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=559, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40886, PETRI_PLACES=415, PETRI_TRANSITIONS=956} [2021-03-26 03:52:58,386 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 371 predicate places. [2021-03-26 03:52:58,386 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:58,386 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 956 transitions, 40886 flow [2021-03-26 03:52:58,386 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 956 transitions, 40886 flow [2021-03-26 03:52:58,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 956 transitions, 40886 flow [2021-03-26 03:53:00,667 INFO L129 PetriNetUnfolder]: 0/8773 cut-off events. [2021-03-26 03:53:00,667 INFO L130 PetriNetUnfolder]: For 400343/405633 co-relation queries the response was YES. [2021-03-26 03:53:00,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61147 conditions, 8773 events. 0/8773 cut-off events. For 400343/405633 co-relation queries the response was YES. Maximal size of possible extension queue 1466. Compared 164407 event pairs, 0 based on Foata normal form. 47/8314 useless extension candidates. Maximal degree in co-relation 0. Up to 1019 conditions per place. [2021-03-26 03:53:00,950 INFO L142 LiptonReduction]: Number of co-enabled transitions 5484 [2021-03-26 03:53:01,126 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:01,126 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:01,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2740 [2021-03-26 03:53:01,126 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 956 transitions, 40886 flow [2021-03-26 03:53:01,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:01,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:01,127 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:01,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 03:53:01,127 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:01,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:01,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1059679832, now seen corresponding path program 58 times [2021-03-26 03:53:01,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:01,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717758790] [2021-03-26 03:53:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:01,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:01,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:01,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:01,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:01,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:01,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:01,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:01,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:53:01,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:53:01,188 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:01,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:01,211 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:53:01,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:53:01,238 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:53:01,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:53:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:01,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717758790] [2021-03-26 03:53:01,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:01,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:53:01,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964445] [2021-03-26 03:53:01,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:53:01,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:01,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:53:01,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:53:01,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:53:01,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 956 transitions, 40886 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:01,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:01,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:53:01,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:06,638 INFO L129 PetriNetUnfolder]: 547/9811 cut-off events. [2021-03-26 03:53:06,638 INFO L130 PetriNetUnfolder]: For 453099/466413 co-relation queries the response was YES. [2021-03-26 03:53:06,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78063 conditions, 9811 events. 547/9811 cut-off events. For 453099/466413 co-relation queries the response was YES. Maximal size of possible extension queue 1540. Compared 175047 event pairs, 523 based on Foata normal form. 84/9407 useless extension candidates. Maximal degree in co-relation 77904. Up to 1828 conditions per place. [2021-03-26 03:53:06,736 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 436 selfloop transitions, 536 changer transitions 2/988 dead transitions. [2021-03-26 03:53:06,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 988 transitions, 44130 flow [2021-03-26 03:53:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:53:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:53:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:53:06,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:53:06,738 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:53:06,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:53:06,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:06,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:53:06,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:06,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:06,739 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:06,739 INFO L185 Difference]: Start difference. First operand has 414 places, 956 transitions, 40886 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:53:06,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 988 transitions, 44130 flow [2021-03-26 03:53:10,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 988 transitions, 43101 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:53:10,570 INFO L241 Difference]: Finished difference. Result has 420 places, 973 transitions, 41957 flow [2021-03-26 03:53:10,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39882, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=956, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=518, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41957, PETRI_PLACES=420, PETRI_TRANSITIONS=973} [2021-03-26 03:53:10,571 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 376 predicate places. [2021-03-26 03:53:10,571 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:10,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 973 transitions, 41957 flow [2021-03-26 03:53:10,571 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 973 transitions, 41957 flow [2021-03-26 03:53:10,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 419 places, 973 transitions, 41957 flow [2021-03-26 03:53:12,937 INFO L129 PetriNetUnfolder]: 0/8767 cut-off events. [2021-03-26 03:53:12,937 INFO L130 PetriNetUnfolder]: For 404588/409864 co-relation queries the response was YES. [2021-03-26 03:53:12,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61315 conditions, 8767 events. 0/8767 cut-off events. For 404588/409864 co-relation queries the response was YES. Maximal size of possible extension queue 1465. Compared 164241 event pairs, 0 based on Foata normal form. 47/8331 useless extension candidates. Maximal degree in co-relation 0. Up to 1018 conditions per place. [2021-03-26 03:53:13,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 5566 [2021-03-26 03:53:13,143 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:13,144 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:13,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2573 [2021-03-26 03:53:13,144 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 973 transitions, 41957 flow [2021-03-26 03:53:13,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:13,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:13,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:13,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 03:53:13,144 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:13,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:13,145 INFO L82 PathProgramCache]: Analyzing trace with hash -160216324, now seen corresponding path program 59 times [2021-03-26 03:53:13,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:13,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798197212] [2021-03-26 03:53:13,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:13,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:13,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:13,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:13,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:13,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:13,166 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:13,177 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:53:13,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:53:13,192 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:13,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:13,210 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:53:13,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:53:13,233 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:53:13,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:53:13,406 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-03-26 03:53:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:13,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798197212] [2021-03-26 03:53:13,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:13,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:53:13,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911653908] [2021-03-26 03:53:13,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:53:13,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:13,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:53:13,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:53:13,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:53:13,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 973 transitions, 41957 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:13,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:13,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:53:13,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:19,016 INFO L129 PetriNetUnfolder]: 547/9805 cut-off events. [2021-03-26 03:53:19,016 INFO L130 PetriNetUnfolder]: For 456225/469539 co-relation queries the response was YES. [2021-03-26 03:53:19,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78228 conditions, 9805 events. 547/9805 cut-off events. For 456225/469539 co-relation queries the response was YES. Maximal size of possible extension queue 1539. Compared 174900 event pairs, 523 based on Foata normal form. 84/9402 useless extension candidates. Maximal degree in co-relation 78067. Up to 1828 conditions per place. [2021-03-26 03:53:19,106 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 436 selfloop transitions, 534 changer transitions 2/986 dead transitions. [2021-03-26 03:53:19,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 986 transitions, 44216 flow [2021-03-26 03:53:19,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:53:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:53:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:53:19,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:53:19,108 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:53:19,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:53:19,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:19,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:53:19,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:19,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:19,109 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:19,109 INFO L185 Difference]: Start difference. First operand has 419 places, 973 transitions, 41957 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:53:19,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 986 transitions, 44216 flow [2021-03-26 03:53:22,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 986 transitions, 43194 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-26 03:53:22,951 INFO L241 Difference]: Finished difference. Result has 423 places, 971 transitions, 41904 flow [2021-03-26 03:53:22,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40945, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=534, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41904, PETRI_PLACES=423, PETRI_TRANSITIONS=971} [2021-03-26 03:53:22,952 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 379 predicate places. [2021-03-26 03:53:22,952 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:22,952 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 971 transitions, 41904 flow [2021-03-26 03:53:22,952 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 971 transitions, 41904 flow [2021-03-26 03:53:22,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 971 transitions, 41904 flow [2021-03-26 03:53:25,173 INFO L129 PetriNetUnfolder]: 0/8758 cut-off events. [2021-03-26 03:53:25,173 INFO L130 PetriNetUnfolder]: For 403221/409580 co-relation queries the response was YES. [2021-03-26 03:53:25,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61350 conditions, 8758 events. 0/8758 cut-off events. For 403221/409580 co-relation queries the response was YES. Maximal size of possible extension queue 1464. Compared 163939 event pairs, 0 based on Foata normal form. 46/8320 useless extension candidates. Maximal degree in co-relation 0. Up to 1017 conditions per place. [2021-03-26 03:53:25,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 5552 [2021-03-26 03:53:25,582 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:25,583 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:25,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2631 [2021-03-26 03:53:25,583 INFO L480 AbstractCegarLoop]: Abstraction has has 422 places, 971 transitions, 41904 flow [2021-03-26 03:53:25,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:25,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:25,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:25,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 03:53:25,583 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:25,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:25,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1346889104, now seen corresponding path program 60 times [2021-03-26 03:53:25,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:25,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810051351] [2021-03-26 03:53:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:25,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:25,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:25,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:25,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:25,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:25,625 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:53:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:53:25,652 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:53:25,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:53:25,690 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:53:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:53:25,718 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:53:25,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:53:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:25,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810051351] [2021-03-26 03:53:25,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:25,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:53:25,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307983307] [2021-03-26 03:53:25,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:53:25,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:25,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:53:25,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:53:25,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:53:25,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 971 transitions, 41904 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:25,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:25,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:53:25,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:31,229 INFO L129 PetriNetUnfolder]: 547/9796 cut-off events. [2021-03-26 03:53:31,229 INFO L130 PetriNetUnfolder]: For 454916/468230 co-relation queries the response was YES. [2021-03-26 03:53:31,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78259 conditions, 9796 events. 547/9796 cut-off events. For 454916/468230 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 174698 event pairs, 523 based on Foata normal form. 84/9394 useless extension candidates. Maximal degree in co-relation 78098. Up to 1828 conditions per place. [2021-03-26 03:53:31,320 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 433 selfloop transitions, 533 changer transitions 2/982 dead transitions. [2021-03-26 03:53:31,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 982 transitions, 44060 flow [2021-03-26 03:53:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:53:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:53:31,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:53:31,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:53:31,321 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:53:31,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:53:31,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:31,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:53:31,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:31,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:31,322 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:31,323 INFO L185 Difference]: Start difference. First operand has 422 places, 971 transitions, 41904 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:53:31,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 982 transitions, 44060 flow [2021-03-26 03:53:35,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 982 transitions, 43003 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 03:53:35,166 INFO L241 Difference]: Finished difference. Result has 426 places, 972 transitions, 41953 flow [2021-03-26 03:53:35,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40857, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=971, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=531, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41953, PETRI_PLACES=426, PETRI_TRANSITIONS=972} [2021-03-26 03:53:35,167 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 382 predicate places. [2021-03-26 03:53:35,167 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:35,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 972 transitions, 41953 flow [2021-03-26 03:53:35,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 972 transitions, 41953 flow [2021-03-26 03:53:35,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 972 transitions, 41953 flow [2021-03-26 03:53:37,681 INFO L129 PetriNetUnfolder]: 0/8750 cut-off events. [2021-03-26 03:53:37,681 INFO L130 PetriNetUnfolder]: For 404635/410994 co-relation queries the response was YES. [2021-03-26 03:53:37,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61325 conditions, 8750 events. 0/8750 cut-off events. For 404635/410994 co-relation queries the response was YES. Maximal size of possible extension queue 1462. Compared 163888 event pairs, 0 based on Foata normal form. 46/8308 useless extension candidates. Maximal degree in co-relation 0. Up to 1016 conditions per place. [2021-03-26 03:53:37,764 INFO L142 LiptonReduction]: Number of co-enabled transitions 5572 [2021-03-26 03:53:37,888 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:37,888 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:37,888 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2721 [2021-03-26 03:53:37,888 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 972 transitions, 41953 flow [2021-03-26 03:53:37,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:37,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:37,888 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:37,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 03:53:37,888 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:37,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:37,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1872367036, now seen corresponding path program 61 times [2021-03-26 03:53:37,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:37,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971811096] [2021-03-26 03:53:37,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:37,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:37,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:37,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:37,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:37,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:37,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:37,923 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:53:37,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:53:37,949 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:53:37,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:53:37,981 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:53:37,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:53:38,005 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:53:38,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:53:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:38,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971811096] [2021-03-26 03:53:38,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:38,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:53:38,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358134614] [2021-03-26 03:53:38,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:53:38,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:38,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:53:38,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:53:38,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:53:38,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 972 transitions, 41953 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:38,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:38,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:53:38,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:43,539 INFO L129 PetriNetUnfolder]: 547/9788 cut-off events. [2021-03-26 03:53:43,540 INFO L130 PetriNetUnfolder]: For 455464/468778 co-relation queries the response was YES. [2021-03-26 03:53:43,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78231 conditions, 9788 events. 547/9788 cut-off events. For 455464/468778 co-relation queries the response was YES. Maximal size of possible extension queue 1536. Compared 174538 event pairs, 523 based on Foata normal form. 84/9386 useless extension candidates. Maximal degree in co-relation 78069. Up to 1828 conditions per place. [2021-03-26 03:53:43,632 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 432 selfloop transitions, 532 changer transitions 2/980 dead transitions. [2021-03-26 03:53:43,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 980 transitions, 44008 flow [2021-03-26 03:53:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:53:43,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:53:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:53:43,634 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:53:43,634 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:53:43,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:53:43,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:43,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:53:43,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:43,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:43,635 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:43,635 INFO L185 Difference]: Start difference. First operand has 425 places, 972 transitions, 41953 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:53:43,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 980 transitions, 44008 flow [2021-03-26 03:53:47,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 980 transitions, 43006 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 03:53:47,766 INFO L241 Difference]: Finished difference. Result has 429 places, 970 transitions, 41917 flow [2021-03-26 03:53:47,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40961, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=532, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41917, PETRI_PLACES=429, PETRI_TRANSITIONS=970} [2021-03-26 03:53:47,767 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 385 predicate places. [2021-03-26 03:53:47,767 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:47,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 970 transitions, 41917 flow [2021-03-26 03:53:47,767 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 970 transitions, 41917 flow [2021-03-26 03:53:47,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 970 transitions, 41917 flow [2021-03-26 03:53:50,061 INFO L129 PetriNetUnfolder]: 0/8742 cut-off events. [2021-03-26 03:53:50,061 INFO L130 PetriNetUnfolder]: For 404984/411167 co-relation queries the response was YES. [2021-03-26 03:53:50,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61393 conditions, 8742 events. 0/8742 cut-off events. For 404984/411167 co-relation queries the response was YES. Maximal size of possible extension queue 1460. Compared 163720 event pairs, 0 based on Foata normal form. 47/8289 useless extension candidates. Maximal degree in co-relation 0. Up to 1015 conditions per place. [2021-03-26 03:53:50,153 INFO L142 LiptonReduction]: Number of co-enabled transitions 5554 [2021-03-26 03:53:50,280 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:50,280 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:50,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2513 [2021-03-26 03:53:50,280 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 970 transitions, 41917 flow [2021-03-26 03:53:50,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:50,280 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:50,280 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:50,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 03:53:50,281 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:50,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:50,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1945478112, now seen corresponding path program 62 times [2021-03-26 03:53:50,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:50,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902129508] [2021-03-26 03:53:50,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:50,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:50,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:50,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:50,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:50,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:50,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:50,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:50,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:50,320 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:53:50,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:53:50,336 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:53:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:53:50,371 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:53:50,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:53:50,399 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:53:50,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:53:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:50,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902129508] [2021-03-26 03:53:50,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:50,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:53:50,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935207581] [2021-03-26 03:53:50,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:53:50,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:50,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:53:50,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:53:50,431 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:53:50,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 970 transitions, 41917 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:50,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:50,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:53:50,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:55,923 INFO L129 PetriNetUnfolder]: 547/9780 cut-off events. [2021-03-26 03:53:55,923 INFO L130 PetriNetUnfolder]: For 454129/467433 co-relation queries the response was YES. [2021-03-26 03:53:56,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78296 conditions, 9780 events. 547/9780 cut-off events. For 454129/467433 co-relation queries the response was YES. Maximal size of possible extension queue 1534. Compared 174368 event pairs, 523 based on Foata normal form. 82/9376 useless extension candidates. Maximal degree in co-relation 78134. Up to 1828 conditions per place. [2021-03-26 03:53:56,153 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 437 selfloop transitions, 530 changer transitions 2/983 dead transitions. [2021-03-26 03:53:56,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 983 transitions, 44185 flow [2021-03-26 03:53:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:53:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:53:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:53:56,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:53:56,154 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:53:56,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:53:56,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:56,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:53:56,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:56,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:56,155 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:56,155 INFO L185 Difference]: Start difference. First operand has 428 places, 970 transitions, 41917 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:53:56,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 983 transitions, 44185 flow [2021-03-26 03:54:00,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 983 transitions, 43194 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:54:00,197 INFO L241 Difference]: Finished difference. Result has 433 places, 973 transitions, 42173 flow [2021-03-26 03:54:00,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40941, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=525, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42173, PETRI_PLACES=433, PETRI_TRANSITIONS=973} [2021-03-26 03:54:00,198 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 389 predicate places. [2021-03-26 03:54:00,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:00,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 433 places, 973 transitions, 42173 flow [2021-03-26 03:54:00,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 433 places, 973 transitions, 42173 flow [2021-03-26 03:54:00,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 432 places, 973 transitions, 42173 flow [2021-03-26 03:54:02,442 INFO L129 PetriNetUnfolder]: 0/8734 cut-off events. [2021-03-26 03:54:02,442 INFO L130 PetriNetUnfolder]: For 406090/412465 co-relation queries the response was YES. [2021-03-26 03:54:02,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61531 conditions, 8734 events. 0/8734 cut-off events. For 406090/412465 co-relation queries the response was YES. Maximal size of possible extension queue 1458. Compared 163575 event pairs, 0 based on Foata normal form. 46/8297 useless extension candidates. Maximal degree in co-relation 0. Up to 1014 conditions per place. [2021-03-26 03:54:02,532 INFO L142 LiptonReduction]: Number of co-enabled transitions 5574 [2021-03-26 03:54:02,662 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:02,662 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:02,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2464 [2021-03-26 03:54:02,662 INFO L480 AbstractCegarLoop]: Abstraction has has 432 places, 973 transitions, 42173 flow [2021-03-26 03:54:02,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:02,663 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:02,663 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:02,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 03:54:02,663 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash 248327304, now seen corresponding path program 63 times [2021-03-26 03:54:02,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:02,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459386070] [2021-03-26 03:54:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:02,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:02,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:02,679 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:54:02,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:54:02,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:02,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:02,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:02,716 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:02,739 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:54:02,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:54:02,770 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:54:02,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:54:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:02,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459386070] [2021-03-26 03:54:02,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:02,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:54:02,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002642200] [2021-03-26 03:54:02,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:54:02,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:02,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:54:02,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:54:02,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:54:02,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 973 transitions, 42173 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:02,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:02,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:54:02,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:08,519 INFO L129 PetriNetUnfolder]: 547/9772 cut-off events. [2021-03-26 03:54:08,519 INFO L130 PetriNetUnfolder]: For 456880/470189 co-relation queries the response was YES. [2021-03-26 03:54:08,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78431 conditions, 9772 events. 547/9772 cut-off events. For 456880/470189 co-relation queries the response was YES. Maximal size of possible extension queue 1532. Compared 174132 event pairs, 523 based on Foata normal form. 84/9370 useless extension candidates. Maximal degree in co-relation 78268. Up to 1828 conditions per place. [2021-03-26 03:54:08,607 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 438 selfloop transitions, 530 changer transitions 2/984 dead transitions. [2021-03-26 03:54:08,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 984 transitions, 44396 flow [2021-03-26 03:54:08,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:54:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:54:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:54:08,609 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:54:08,609 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:54:08,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:54:08,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:08,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:54:08,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:08,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:08,611 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:08,611 INFO L185 Difference]: Start difference. First operand has 432 places, 973 transitions, 42173 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:54:08,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 984 transitions, 44396 flow [2021-03-26 03:54:12,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 984 transitions, 43412 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:54:12,550 INFO L241 Difference]: Finished difference. Result has 437 places, 974 transitions, 42334 flow [2021-03-26 03:54:12,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41199, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=528, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42334, PETRI_PLACES=437, PETRI_TRANSITIONS=974} [2021-03-26 03:54:12,551 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 393 predicate places. [2021-03-26 03:54:12,551 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:12,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 974 transitions, 42334 flow [2021-03-26 03:54:12,551 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 974 transitions, 42334 flow [2021-03-26 03:54:12,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 974 transitions, 42334 flow [2021-03-26 03:54:15,071 INFO L129 PetriNetUnfolder]: 0/8726 cut-off events. [2021-03-26 03:54:15,071 INFO L130 PetriNetUnfolder]: For 407196/413570 co-relation queries the response was YES. [2021-03-26 03:54:15,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61629 conditions, 8726 events. 0/8726 cut-off events. For 407196/413570 co-relation queries the response was YES. Maximal size of possible extension queue 1456. Compared 163333 event pairs, 0 based on Foata normal form. 46/8287 useless extension candidates. Maximal degree in co-relation 0. Up to 1013 conditions per place. [2021-03-26 03:54:15,153 INFO L142 LiptonReduction]: Number of co-enabled transitions 5574 [2021-03-26 03:54:15,277 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:15,277 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:15,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2726 [2021-03-26 03:54:15,278 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 974 transitions, 42334 flow [2021-03-26 03:54:15,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:15,278 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:15,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:15,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 03:54:15,278 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:15,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:15,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2087458452, now seen corresponding path program 64 times [2021-03-26 03:54:15,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:15,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906218986] [2021-03-26 03:54:15,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:15,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:15,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:15,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:15,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:54:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:54:15,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:15,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:15,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:15,332 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:54:15,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:54:15,360 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:54:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:54:15,390 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:54:15,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:54:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:15,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906218986] [2021-03-26 03:54:15,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:15,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:54:15,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949744374] [2021-03-26 03:54:15,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:54:15,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:15,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:54:15,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:54:15,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:54:15,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 974 transitions, 42334 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:15,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:15,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:54:15,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:21,050 INFO L129 PetriNetUnfolder]: 547/9764 cut-off events. [2021-03-26 03:54:21,050 INFO L130 PetriNetUnfolder]: For 457001/470310 co-relation queries the response was YES. [2021-03-26 03:54:21,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78526 conditions, 9764 events. 547/9764 cut-off events. For 457001/470310 co-relation queries the response was YES. Maximal size of possible extension queue 1530. Compared 174085 event pairs, 523 based on Foata normal form. 84/9362 useless extension candidates. Maximal degree in co-relation 78362. Up to 1828 conditions per place. [2021-03-26 03:54:21,137 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 438 selfloop transitions, 528 changer transitions 2/982 dead transitions. [2021-03-26 03:54:21,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 982 transitions, 44393 flow [2021-03-26 03:54:21,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:54:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:54:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:54:21,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:54:21,138 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:54:21,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:54:21,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:21,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:54:21,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:21,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:21,140 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:21,140 INFO L185 Difference]: Start difference. First operand has 436 places, 974 transitions, 42334 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:54:21,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 982 transitions, 44393 flow [2021-03-26 03:54:24,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 982 transitions, 43341 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:54:24,966 INFO L241 Difference]: Finished difference. Result has 439 places, 972 transitions, 42248 flow [2021-03-26 03:54:24,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41292, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=974, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=528, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42248, PETRI_PLACES=439, PETRI_TRANSITIONS=972} [2021-03-26 03:54:24,966 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 395 predicate places. [2021-03-26 03:54:24,966 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:24,966 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 972 transitions, 42248 flow [2021-03-26 03:54:24,967 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 972 transitions, 42248 flow [2021-03-26 03:54:24,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 972 transitions, 42248 flow [2021-03-26 03:54:27,234 INFO L129 PetriNetUnfolder]: 0/8718 cut-off events. [2021-03-26 03:54:27,234 INFO L130 PetriNetUnfolder]: For 402994/408105 co-relation queries the response was YES. [2021-03-26 03:54:27,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61586 conditions, 8718 events. 0/8718 cut-off events. For 402994/408105 co-relation queries the response was YES. Maximal size of possible extension queue 1455. Compared 163162 event pairs, 0 based on Foata normal form. 47/8286 useless extension candidates. Maximal degree in co-relation 0. Up to 1012 conditions per place. [2021-03-26 03:54:27,326 INFO L142 LiptonReduction]: Number of co-enabled transitions 5566 [2021-03-26 03:54:27,453 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:27,453 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:27,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2487 [2021-03-26 03:54:27,453 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 972 transitions, 42248 flow [2021-03-26 03:54:27,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:27,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:27,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:27,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 03:54:27,454 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:27,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1851813480, now seen corresponding path program 65 times [2021-03-26 03:54:27,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:27,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871104020] [2021-03-26 03:54:27,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:27,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:27,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:27,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:27,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:27,481 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:54:27,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:54:27,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:27,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:27,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:27,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:27,521 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:27,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:27,556 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:54:27,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:54:27,583 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:54:27,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:54:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:27,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871104020] [2021-03-26 03:54:27,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:27,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:54:27,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395716618] [2021-03-26 03:54:27,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:54:27,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:27,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:54:27,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:54:27,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:54:27,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 972 transitions, 42248 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:27,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:27,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:54:27,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:33,390 INFO L129 PetriNetUnfolder]: 547/9756 cut-off events. [2021-03-26 03:54:33,391 INFO L130 PetriNetUnfolder]: For 456394/469703 co-relation queries the response was YES. [2021-03-26 03:54:33,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78480 conditions, 9756 events. 547/9756 cut-off events. For 456394/469703 co-relation queries the response was YES. Maximal size of possible extension queue 1529. Compared 173914 event pairs, 523 based on Foata normal form. 84/9354 useless extension candidates. Maximal degree in co-relation 78316. Up to 1828 conditions per place. [2021-03-26 03:54:33,476 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 425 selfloop transitions, 539 changer transitions 2/980 dead transitions. [2021-03-26 03:54:33,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 980 transitions, 44303 flow [2021-03-26 03:54:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:54:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:54:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:54:33,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:54:33,477 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:54:33,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:54:33,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:33,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:54:33,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:33,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:33,478 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:33,478 INFO L185 Difference]: Start difference. First operand has 438 places, 972 transitions, 42248 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:54:33,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 980 transitions, 44303 flow [2021-03-26 03:54:37,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 980 transitions, 43229 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 03:54:37,492 INFO L241 Difference]: Finished difference. Result has 440 places, 970 transitions, 42148 flow [2021-03-26 03:54:37,492 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41184, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=539, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42148, PETRI_PLACES=440, PETRI_TRANSITIONS=970} [2021-03-26 03:54:37,492 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 396 predicate places. [2021-03-26 03:54:37,493 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:37,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 970 transitions, 42148 flow [2021-03-26 03:54:37,493 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 970 transitions, 42148 flow [2021-03-26 03:54:37,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 439 places, 970 transitions, 42148 flow [2021-03-26 03:54:39,757 INFO L129 PetriNetUnfolder]: 0/8707 cut-off events. [2021-03-26 03:54:39,758 INFO L130 PetriNetUnfolder]: For 403026/408314 co-relation queries the response was YES. [2021-03-26 03:54:39,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61485 conditions, 8707 events. 0/8707 cut-off events. For 403026/408314 co-relation queries the response was YES. Maximal size of possible extension queue 1453. Compared 162963 event pairs, 0 based on Foata normal form. 47/8273 useless extension candidates. Maximal degree in co-relation 0. Up to 1010 conditions per place. [2021-03-26 03:54:40,059 INFO L142 LiptonReduction]: Number of co-enabled transitions 5546 [2021-03-26 03:54:40,181 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:40,181 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:40,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2689 [2021-03-26 03:54:40,181 INFO L480 AbstractCegarLoop]: Abstraction has has 439 places, 970 transitions, 42148 flow [2021-03-26 03:54:40,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:40,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:40,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:40,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 03:54:40,182 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:40,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:40,182 INFO L82 PathProgramCache]: Analyzing trace with hash -367275996, now seen corresponding path program 66 times [2021-03-26 03:54:40,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:40,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989175329] [2021-03-26 03:54:40,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:40,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:40,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:54:40,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:54:40,220 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:40,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:40,233 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:40,249 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:40,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:40,270 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:54:40,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:54:40,296 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:54:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:54:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:40,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989175329] [2021-03-26 03:54:40,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:40,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:54:40,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943436325] [2021-03-26 03:54:40,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:54:40,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:40,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:54:40,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:54:40,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:54:40,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 970 transitions, 42148 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:40,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:40,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:54:40,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:46,025 INFO L129 PetriNetUnfolder]: 523/9962 cut-off events. [2021-03-26 03:54:46,025 INFO L130 PetriNetUnfolder]: For 465010/478319 co-relation queries the response was YES. [2021-03-26 03:54:46,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79946 conditions, 9962 events. 523/9962 cut-off events. For 465010/478319 co-relation queries the response was YES. Maximal size of possible extension queue 1570. Compared 178767 event pairs, 523 based on Foata normal form. 66/9535 useless extension candidates. Maximal degree in co-relation 79783. Up to 1766 conditions per place. [2021-03-26 03:54:46,119 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 581 selfloop transitions, 497 changer transitions 1/1093 dead transitions. [2021-03-26 03:54:46,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 1093 transitions, 50047 flow [2021-03-26 03:54:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:54:46,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:54:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:54:46,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:54:46,120 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:54:46,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:54:46,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:46,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:54:46,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:46,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:46,121 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:46,121 INFO L185 Difference]: Start difference. First operand has 439 places, 970 transitions, 42148 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:54:46,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 1093 transitions, 50047 flow [2021-03-26 03:54:50,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 1093 transitions, 49112 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 03:54:50,345 INFO L241 Difference]: Finished difference. Result has 447 places, 1004 transitions, 44257 flow [2021-03-26 03:54:50,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41268, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=463, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=44257, PETRI_PLACES=447, PETRI_TRANSITIONS=1004} [2021-03-26 03:54:50,346 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 403 predicate places. [2021-03-26 03:54:50,346 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:50,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 447 places, 1004 transitions, 44257 flow [2021-03-26 03:54:50,346 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 447 places, 1004 transitions, 44257 flow [2021-03-26 03:54:50,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 1004 transitions, 44257 flow [2021-03-26 03:54:52,786 INFO L129 PetriNetUnfolder]: 0/8992 cut-off events. [2021-03-26 03:54:52,786 INFO L130 PetriNetUnfolder]: For 432102/437356 co-relation queries the response was YES. [2021-03-26 03:54:52,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64553 conditions, 8992 events. 0/8992 cut-off events. For 432102/437356 co-relation queries the response was YES. Maximal size of possible extension queue 1509. Compared 169277 event pairs, 0 based on Foata normal form. 35/8531 useless extension candidates. Maximal degree in co-relation 0. Up to 1044 conditions per place. [2021-03-26 03:54:52,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 5776 [2021-03-26 03:54:53,011 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:53,012 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:53,012 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2666 [2021-03-26 03:54:53,012 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 1004 transitions, 44257 flow [2021-03-26 03:54:53,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:53,012 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:53,012 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:53,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 03:54:53,012 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:53,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:53,012 INFO L82 PathProgramCache]: Analyzing trace with hash 953425414, now seen corresponding path program 67 times [2021-03-26 03:54:53,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:53,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438274721] [2021-03-26 03:54:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:53,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:53,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:54:53,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:54:53,036 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:53,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:53,048 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:53,064 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:53,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:53,085 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:54:53,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:54:53,108 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:54:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:54:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:53,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438274721] [2021-03-26 03:54:53,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:53,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:54:53,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033779259] [2021-03-26 03:54:53,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:54:53,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:53,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:54:53,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:54:53,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:54:53,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 1004 transitions, 44257 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:53,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:53,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:54:53,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:58,911 INFO L129 PetriNetUnfolder]: 523/9955 cut-off events. [2021-03-26 03:54:58,911 INFO L130 PetriNetUnfolder]: For 477600/490953 co-relation queries the response was YES. [2021-03-26 03:54:58,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80652 conditions, 9955 events. 523/9955 cut-off events. For 477600/490953 co-relation queries the response was YES. Maximal size of possible extension queue 1569. Compared 178654 event pairs, 523 based on Foata normal form. 84/9538 useless extension candidates. Maximal degree in co-relation 80485. Up to 1828 conditions per place. [2021-03-26 03:54:59,002 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 477 selfloop transitions, 544 changer transitions 1/1036 dead transitions. [2021-03-26 03:54:59,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 1036 transitions, 47685 flow [2021-03-26 03:54:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:54:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:54:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:54:59,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:54:59,004 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:54:59,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:54:59,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:59,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:54:59,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:59,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:59,005 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:59,005 INFO L185 Difference]: Start difference. First operand has 446 places, 1004 transitions, 44257 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:54:59,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 1036 transitions, 47685 flow [2021-03-26 03:55:03,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 1036 transitions, 46882 flow, removed 34 selfloop flow, removed 5 redundant places. [2021-03-26 03:55:03,412 INFO L241 Difference]: Finished difference. Result has 452 places, 1007 transitions, 44878 flow [2021-03-26 03:55:03,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=43471, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1004, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=44878, PETRI_PLACES=452, PETRI_TRANSITIONS=1007} [2021-03-26 03:55:03,413 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 408 predicate places. [2021-03-26 03:55:03,413 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:03,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 1007 transitions, 44878 flow [2021-03-26 03:55:03,413 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 1007 transitions, 44878 flow [2021-03-26 03:55:03,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 1007 transitions, 44878 flow [2021-03-26 03:55:06,026 INFO L129 PetriNetUnfolder]: 0/8985 cut-off events. [2021-03-26 03:55:06,026 INFO L130 PetriNetUnfolder]: For 439628/446603 co-relation queries the response was YES. [2021-03-26 03:55:06,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65097 conditions, 8985 events. 0/8985 cut-off events. For 439628/446603 co-relation queries the response was YES. Maximal size of possible extension queue 1502. Compared 168863 event pairs, 0 based on Foata normal form. 36/8498 useless extension candidates. Maximal degree in co-relation 0. Up to 1043 conditions per place. [2021-03-26 03:55:06,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 5804 [2021-03-26 03:55:06,246 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:06,246 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:06,246 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2833 [2021-03-26 03:55:06,247 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 1007 transitions, 44878 flow [2021-03-26 03:55:06,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:06,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:06,247 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:06,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 03:55:06,247 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:06,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:06,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2136229728, now seen corresponding path program 68 times [2021-03-26 03:55:06,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:06,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967954084] [2021-03-26 03:55:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:06,265 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:55:06,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:55:06,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:06,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:06,284 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:06,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:06,297 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:55:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:55:06,315 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:55:06,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:55:06,338 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:55:06,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:55:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:06,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967954084] [2021-03-26 03:55:06,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:06,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:55:06,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338838965] [2021-03-26 03:55:06,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:55:06,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:06,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:55:06,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:55:06,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:55:06,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1007 transitions, 44878 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:06,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:06,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:55:06,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:12,378 INFO L129 PetriNetUnfolder]: 523/9948 cut-off events. [2021-03-26 03:55:12,378 INFO L130 PetriNetUnfolder]: For 485525/500979 co-relation queries the response was YES. [2021-03-26 03:55:12,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81194 conditions, 9948 events. 523/9948 cut-off events. For 485525/500979 co-relation queries the response was YES. Maximal size of possible extension queue 1568. Compared 178398 event pairs, 523 based on Foata normal form. 96/9543 useless extension candidates. Maximal degree in co-relation 81026. Up to 1828 conditions per place. [2021-03-26 03:55:12,465 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 474 selfloop transitions, 545 changer transitions 2/1035 dead transitions. [2021-03-26 03:55:12,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 1035 transitions, 48120 flow [2021-03-26 03:55:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:55:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:55:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:55:12,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:55:12,466 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:55:12,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:55:12,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:12,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:55:12,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:12,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:12,468 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:12,468 INFO L185 Difference]: Start difference. First operand has 451 places, 1007 transitions, 44878 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:55:12,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 1035 transitions, 48120 flow [2021-03-26 03:55:16,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 1035 transitions, 47123 flow, removed 31 selfloop flow, removed 6 redundant places. [2021-03-26 03:55:16,981 INFO L241 Difference]: Finished difference. Result has 455 places, 1010 transitions, 45183 flow [2021-03-26 03:55:16,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=43891, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1007, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=45183, PETRI_PLACES=455, PETRI_TRANSITIONS=1010} [2021-03-26 03:55:16,982 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 411 predicate places. [2021-03-26 03:55:16,982 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:16,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 1010 transitions, 45183 flow [2021-03-26 03:55:16,983 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 1010 transitions, 45183 flow [2021-03-26 03:55:16,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 1010 transitions, 45183 flow [2021-03-26 03:55:19,433 INFO L129 PetriNetUnfolder]: 0/8977 cut-off events. [2021-03-26 03:55:19,433 INFO L130 PetriNetUnfolder]: For 436037/442757 co-relation queries the response was YES. [2021-03-26 03:55:19,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65417 conditions, 8977 events. 0/8977 cut-off events. For 436037/442757 co-relation queries the response was YES. Maximal size of possible extension queue 1500. Compared 168905 event pairs, 0 based on Foata normal form. 37/8510 useless extension candidates. Maximal degree in co-relation 0. Up to 1042 conditions per place. [2021-03-26 03:55:19,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 5812 [2021-03-26 03:55:19,899 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:19,899 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:19,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2918 [2021-03-26 03:55:19,900 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 1010 transitions, 45183 flow [2021-03-26 03:55:19,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:19,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:19,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:19,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 03:55:19,900 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:19,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:19,900 INFO L82 PathProgramCache]: Analyzing trace with hash -558299714, now seen corresponding path program 69 times [2021-03-26 03:55:19,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:19,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919459046] [2021-03-26 03:55:19,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:19,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:19,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:19,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:19,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:19,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:55:19,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:55:19,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:19,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:19,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:19,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:19,953 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:19,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:19,974 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:55:19,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:55:19,997 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:55:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:55:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:20,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919459046] [2021-03-26 03:55:20,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:20,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:55:20,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812279794] [2021-03-26 03:55:20,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:55:20,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:20,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:55:20,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:55:20,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:55:20,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 1010 transitions, 45183 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:20,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:20,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:55:20,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:25,844 INFO L129 PetriNetUnfolder]: 523/9940 cut-off events. [2021-03-26 03:55:25,844 INFO L130 PetriNetUnfolder]: For 480538/495992 co-relation queries the response was YES. [2021-03-26 03:55:25,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81511 conditions, 9940 events. 523/9940 cut-off events. For 480538/495992 co-relation queries the response was YES. Maximal size of possible extension queue 1566. Compared 178285 event pairs, 523 based on Foata normal form. 96/9535 useless extension candidates. Maximal degree in co-relation 81344. Up to 1828 conditions per place. [2021-03-26 03:55:25,938 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 455 selfloop transitions, 563 changer transitions 1/1033 dead transitions. [2021-03-26 03:55:25,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 1033 transitions, 48131 flow [2021-03-26 03:55:25,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:55:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:55:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:55:25,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:55:25,939 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:55:25,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:55:25,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:25,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:55:25,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:25,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:25,940 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:25,940 INFO L185 Difference]: Start difference. First operand has 454 places, 1010 transitions, 45183 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:55:25,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 1033 transitions, 48131 flow [2021-03-26 03:55:30,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 1033 transitions, 47044 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 03:55:30,614 INFO L241 Difference]: Finished difference. Result has 458 places, 1024 transitions, 46035 flow [2021-03-26 03:55:30,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=44106, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=548, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46035, PETRI_PLACES=458, PETRI_TRANSITIONS=1024} [2021-03-26 03:55:30,615 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 414 predicate places. [2021-03-26 03:55:30,615 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:30,615 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 1024 transitions, 46035 flow [2021-03-26 03:55:30,615 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 1024 transitions, 46035 flow [2021-03-26 03:55:30,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 1024 transitions, 46035 flow [2021-03-26 03:55:33,203 INFO L129 PetriNetUnfolder]: 0/8972 cut-off events. [2021-03-26 03:55:33,203 INFO L130 PetriNetUnfolder]: For 438622/445613 co-relation queries the response was YES. [2021-03-26 03:55:33,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65476 conditions, 8972 events. 0/8972 cut-off events. For 438622/445613 co-relation queries the response was YES. Maximal size of possible extension queue 1499. Compared 168757 event pairs, 0 based on Foata normal form. 36/8499 useless extension candidates. Maximal degree in co-relation 0. Up to 1041 conditions per place. [2021-03-26 03:55:33,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 5864 [2021-03-26 03:55:33,437 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:33,437 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:33,437 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2822 [2021-03-26 03:55:33,438 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 1024 transitions, 46035 flow [2021-03-26 03:55:33,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:33,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:33,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:33,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 03:55:33,438 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:33,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:33,438 INFO L82 PathProgramCache]: Analyzing trace with hash -20444136, now seen corresponding path program 70 times [2021-03-26 03:55:33,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:33,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460478598] [2021-03-26 03:55:33,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:33,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:33,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:33,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:33,455 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:55:33,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:55:33,463 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:33,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:33,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:33,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:33,491 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:33,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:33,509 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:55:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:55:33,535 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:55:33,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:55:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:33,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460478598] [2021-03-26 03:55:33,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:33,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:55:33,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397467468] [2021-03-26 03:55:33,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:55:33,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:33,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:55:33,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:55:33,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:55:33,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 1024 transitions, 46035 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:33,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:33,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:55:33,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:39,550 INFO L129 PetriNetUnfolder]: 523/9935 cut-off events. [2021-03-26 03:55:39,550 INFO L130 PetriNetUnfolder]: For 483568/499017 co-relation queries the response was YES. [2021-03-26 03:55:39,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81568 conditions, 9935 events. 523/9935 cut-off events. For 483568/499017 co-relation queries the response was YES. Maximal size of possible extension queue 1565. Compared 178163 event pairs, 523 based on Foata normal form. 94/9529 useless extension candidates. Maximal degree in co-relation 81400. Up to 1828 conditions per place. [2021-03-26 03:55:39,639 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 457 selfloop transitions, 559 changer transitions 2/1032 dead transitions. [2021-03-26 03:55:39,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 1032 transitions, 48224 flow [2021-03-26 03:55:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:55:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:55:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:55:39,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:55:39,640 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:55:39,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:55:39,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:39,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:55:39,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:39,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:39,642 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:39,642 INFO L185 Difference]: Start difference. First operand has 457 places, 1024 transitions, 46035 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:55:39,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 1032 transitions, 48224 flow [2021-03-26 03:55:44,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 1032 transitions, 47185 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 03:55:44,236 INFO L241 Difference]: Finished difference. Result has 462 places, 1023 transitions, 46081 flow [2021-03-26 03:55:44,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45006, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=558, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46081, PETRI_PLACES=462, PETRI_TRANSITIONS=1023} [2021-03-26 03:55:44,237 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 418 predicate places. [2021-03-26 03:55:44,237 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:44,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1023 transitions, 46081 flow [2021-03-26 03:55:44,237 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1023 transitions, 46081 flow [2021-03-26 03:55:44,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 461 places, 1023 transitions, 46081 flow [2021-03-26 03:55:46,719 INFO L129 PetriNetUnfolder]: 0/8962 cut-off events. [2021-03-26 03:55:46,720 INFO L130 PetriNetUnfolder]: For 437330/443525 co-relation queries the response was YES. [2021-03-26 03:55:46,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65516 conditions, 8962 events. 0/8962 cut-off events. For 437330/443525 co-relation queries the response was YES. Maximal size of possible extension queue 1497. Compared 168424 event pairs, 0 based on Foata normal form. 36/8497 useless extension candidates. Maximal degree in co-relation 0. Up to 1040 conditions per place. [2021-03-26 03:55:47,077 INFO L142 LiptonReduction]: Number of co-enabled transitions 5858 [2021-03-26 03:55:47,217 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:47,218 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:47,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2981 [2021-03-26 03:55:47,218 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 1023 transitions, 46081 flow [2021-03-26 03:55:47,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:47,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:47,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:47,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 03:55:47,218 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:47,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:47,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1751411010, now seen corresponding path program 71 times [2021-03-26 03:55:47,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:47,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373040962] [2021-03-26 03:55:47,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:47,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:47,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:47,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:47,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:47,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:55:47,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:55:47,244 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:47,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:47,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:47,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:47,271 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:55:47,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:47,306 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:55:47,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:55:47,334 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:55:47,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:55:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:47,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373040962] [2021-03-26 03:55:47,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:47,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:55:47,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120305466] [2021-03-26 03:55:47,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:55:47,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:47,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:55:47,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:55:47,369 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:55:47,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 1023 transitions, 46081 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:47,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:47,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:55:47,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:53,336 INFO L129 PetriNetUnfolder]: 523/9925 cut-off events. [2021-03-26 03:55:53,336 INFO L130 PetriNetUnfolder]: For 482174/495603 co-relation queries the response was YES. [2021-03-26 03:55:53,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81603 conditions, 9925 events. 523/9925 cut-off events. For 482174/495603 co-relation queries the response was YES. Maximal size of possible extension queue 1563. Compared 177829 event pairs, 523 based on Foata normal form. 94/9519 useless extension candidates. Maximal degree in co-relation 81434. Up to 1828 conditions per place. [2021-03-26 03:55:53,424 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 470 selfloop transitions, 544 changer transitions 2/1030 dead transitions. [2021-03-26 03:55:53,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 1030 transitions, 48221 flow [2021-03-26 03:55:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:55:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:55:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:55:53,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:55:53,425 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:55:53,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:55:53,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:53,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:55:53,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:53,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:53,427 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:53,427 INFO L185 Difference]: Start difference. First operand has 461 places, 1023 transitions, 46081 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:55:53,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 1030 transitions, 48221 flow [2021-03-26 03:55:58,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 1030 transitions, 47316 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 03:55:58,050 INFO L241 Difference]: Finished difference. Result has 466 places, 1023 transitions, 46300 flow [2021-03-26 03:55:58,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45186, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46300, PETRI_PLACES=466, PETRI_TRANSITIONS=1023} [2021-03-26 03:55:58,051 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 422 predicate places. [2021-03-26 03:55:58,051 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:58,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 1023 transitions, 46300 flow [2021-03-26 03:55:58,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 1023 transitions, 46300 flow [2021-03-26 03:55:58,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 465 places, 1023 transitions, 46300 flow [2021-03-26 03:56:00,761 INFO L129 PetriNetUnfolder]: 0/8954 cut-off events. [2021-03-26 03:56:00,761 INFO L130 PetriNetUnfolder]: For 438100/443242 co-relation queries the response was YES. [2021-03-26 03:56:00,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65901 conditions, 8954 events. 0/8954 cut-off events. For 438100/443242 co-relation queries the response was YES. Maximal size of possible extension queue 1495. Compared 168255 event pairs, 0 based on Foata normal form. 37/8483 useless extension candidates. Maximal degree in co-relation 0. Up to 1039 conditions per place. [2021-03-26 03:56:00,850 INFO L142 LiptonReduction]: Number of co-enabled transitions 5860 [2021-03-26 03:56:00,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:00,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:00,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2937 [2021-03-26 03:56:00,988 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 1023 transitions, 46300 flow [2021-03-26 03:56:00,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:00,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:00,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:00,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 03:56:00,989 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:00,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:00,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1349280428, now seen corresponding path program 72 times [2021-03-26 03:56:00,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:00,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002334695] [2021-03-26 03:56:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:01,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:01,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:01,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:56:01,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:56:01,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:01,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:01,029 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:56:01,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:56:01,046 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:56:01,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:01,076 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:56:01,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:56:01,107 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:56:01,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:56:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:01,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002334695] [2021-03-26 03:56:01,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:01,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:56:01,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851212749] [2021-03-26 03:56:01,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:56:01,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:01,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:56:01,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:56:01,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:56:01,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 1023 transitions, 46300 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:01,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:01,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:56:01,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:07,018 INFO L129 PetriNetUnfolder]: 523/9917 cut-off events. [2021-03-26 03:56:07,018 INFO L130 PetriNetUnfolder]: For 485489/498923 co-relation queries the response was YES. [2021-03-26 03:56:07,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81985 conditions, 9917 events. 523/9917 cut-off events. For 485489/498923 co-relation queries the response was YES. Maximal size of possible extension queue 1561. Compared 177704 event pairs, 523 based on Foata normal form. 96/9513 useless extension candidates. Maximal degree in co-relation 81815. Up to 1828 conditions per place. [2021-03-26 03:56:07,121 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 472 selfloop transitions, 541 changer transitions 1/1028 dead transitions. [2021-03-26 03:56:07,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 1028 transitions, 48348 flow [2021-03-26 03:56:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:56:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:56:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:56:07,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:56:07,122 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:56:07,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:56:07,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:07,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:56:07,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:07,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:07,123 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:07,123 INFO L185 Difference]: Start difference. First operand has 465 places, 1023 transitions, 46300 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:56:07,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 1028 transitions, 48348 flow [2021-03-26 03:56:11,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 1028 transitions, 47301 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-03-26 03:56:11,750 INFO L241 Difference]: Finished difference. Result has 469 places, 1022 transitions, 46275 flow [2021-03-26 03:56:11,750 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45263, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46275, PETRI_PLACES=469, PETRI_TRANSITIONS=1022} [2021-03-26 03:56:11,750 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 425 predicate places. [2021-03-26 03:56:11,750 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:11,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 1022 transitions, 46275 flow [2021-03-26 03:56:11,751 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 1022 transitions, 46275 flow [2021-03-26 03:56:11,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 1022 transitions, 46275 flow [2021-03-26 03:56:14,184 INFO L129 PetriNetUnfolder]: 0/8947 cut-off events. [2021-03-26 03:56:14,184 INFO L130 PetriNetUnfolder]: For 438800/444132 co-relation queries the response was YES. [2021-03-26 03:56:14,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65972 conditions, 8947 events. 0/8947 cut-off events. For 438800/444132 co-relation queries the response was YES. Maximal size of possible extension queue 1494. Compared 168187 event pairs, 0 based on Foata normal form. 37/8482 useless extension candidates. Maximal degree in co-relation 0. Up to 1038 conditions per place. [2021-03-26 03:56:14,275 INFO L142 LiptonReduction]: Number of co-enabled transitions 5856 [2021-03-26 03:56:14,414 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:14,414 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:14,414 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2664 [2021-03-26 03:56:14,414 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 1022 transitions, 46275 flow [2021-03-26 03:56:14,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:14,415 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:14,415 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:14,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 03:56:14,415 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:14,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:14,415 INFO L82 PathProgramCache]: Analyzing trace with hash -757023354, now seen corresponding path program 73 times [2021-03-26 03:56:14,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:14,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594955975] [2021-03-26 03:56:14,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:14,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:14,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:14,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:14,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:14,436 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:56:14,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:56:14,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:14,455 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:14,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:14,481 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:14,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:14,500 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:56:14,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:56:14,524 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:56:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:56:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:14,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594955975] [2021-03-26 03:56:14,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:14,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:56:14,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465134397] [2021-03-26 03:56:14,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:56:14,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:14,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:56:14,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:56:14,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:56:14,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1022 transitions, 46275 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:14,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:14,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:56:14,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:20,428 INFO L129 PetriNetUnfolder]: 523/9910 cut-off events. [2021-03-26 03:56:20,429 INFO L130 PetriNetUnfolder]: For 484548/497982 co-relation queries the response was YES. [2021-03-26 03:56:20,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82054 conditions, 9910 events. 523/9910 cut-off events. For 484548/497982 co-relation queries the response was YES. Maximal size of possible extension queue 1561. Compared 177564 event pairs, 523 based on Foata normal form. 74/9484 useless extension candidates. Maximal degree in co-relation 81884. Up to 1720 conditions per place. [2021-03-26 03:56:20,514 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 497 selfloop transitions, 550 changer transitions 2/1063 dead transitions. [2021-03-26 03:56:20,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 1063 transitions, 49881 flow [2021-03-26 03:56:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:56:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:56:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:56:20,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:56:20,516 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:56:20,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:56:20,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:20,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:56:20,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:20,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:20,517 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:20,517 INFO L185 Difference]: Start difference. First operand has 468 places, 1022 transitions, 46275 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:56:20,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 1063 transitions, 49881 flow [2021-03-26 03:56:24,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 1063 transitions, 48765 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:56:24,800 INFO L241 Difference]: Finished difference. Result has 473 places, 1033 transitions, 46862 flow [2021-03-26 03:56:24,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45203, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1022, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46862, PETRI_PLACES=473, PETRI_TRANSITIONS=1033} [2021-03-26 03:56:24,800 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 429 predicate places. [2021-03-26 03:56:24,801 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:24,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 1033 transitions, 46862 flow [2021-03-26 03:56:24,801 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 1033 transitions, 46862 flow [2021-03-26 03:56:24,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 1033 transitions, 46862 flow [2021-03-26 03:56:27,212 INFO L129 PetriNetUnfolder]: 0/8939 cut-off events. [2021-03-26 03:56:27,212 INFO L130 PetriNetUnfolder]: For 442492/447813 co-relation queries the response was YES. [2021-03-26 03:56:27,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66214 conditions, 8939 events. 0/8939 cut-off events. For 442492/447813 co-relation queries the response was YES. Maximal size of possible extension queue 1492. Compared 167912 event pairs, 0 based on Foata normal form. 37/8462 useless extension candidates. Maximal degree in co-relation 0. Up to 1037 conditions per place. [2021-03-26 03:56:27,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 5944 [2021-03-26 03:56:27,448 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:27,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:27,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2648 [2021-03-26 03:56:27,449 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 1033 transitions, 46862 flow [2021-03-26 03:56:27,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:27,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:27,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:27,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 03:56:27,449 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:27,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:27,450 INFO L82 PathProgramCache]: Analyzing trace with hash -177274904, now seen corresponding path program 74 times [2021-03-26 03:56:27,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:27,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725837852] [2021-03-26 03:56:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:27,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:27,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:27,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:56:27,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:56:27,474 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:27,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:27,486 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:27,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:27,515 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:56:27,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:56:27,537 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:56:27,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:56:27,563 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:56:27,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:56:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:27,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725837852] [2021-03-26 03:56:27,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:27,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:56:27,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204061817] [2021-03-26 03:56:27,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:56:27,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:27,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:56:27,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:56:27,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:56:27,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 1033 transitions, 46862 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:27,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:27,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:56:27,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:33,534 INFO L129 PetriNetUnfolder]: 523/9902 cut-off events. [2021-03-26 03:56:33,534 INFO L130 PetriNetUnfolder]: For 490794/504228 co-relation queries the response was YES. [2021-03-26 03:56:33,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82293 conditions, 9902 events. 523/9902 cut-off events. For 490794/504228 co-relation queries the response was YES. Maximal size of possible extension queue 1559. Compared 177452 event pairs, 523 based on Foata normal form. 74/9473 useless extension candidates. Maximal degree in co-relation 82121. Up to 1720 conditions per place. [2021-03-26 03:56:33,622 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 491 selfloop transitions, 549 changer transitions 1/1055 dead transitions. [2021-03-26 03:56:33,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 1055 transitions, 49657 flow [2021-03-26 03:56:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:56:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:56:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:56:33,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:56:33,623 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:56:33,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:56:33,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:33,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:56:33,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:33,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:33,624 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:33,624 INFO L185 Difference]: Start difference. First operand has 472 places, 1033 transitions, 46862 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:56:33,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 1055 transitions, 49657 flow [2021-03-26 03:56:38,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 1055 transitions, 48667 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 03:56:38,379 INFO L241 Difference]: Finished difference. Result has 477 places, 1034 transitions, 47059 flow [2021-03-26 03:56:38,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45882, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1033, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=547, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=47059, PETRI_PLACES=477, PETRI_TRANSITIONS=1034} [2021-03-26 03:56:38,380 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 433 predicate places. [2021-03-26 03:56:38,380 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:38,380 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 477 places, 1034 transitions, 47059 flow [2021-03-26 03:56:38,380 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 477 places, 1034 transitions, 47059 flow [2021-03-26 03:56:38,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 476 places, 1034 transitions, 47059 flow [2021-03-26 03:56:40,877 INFO L129 PetriNetUnfolder]: 0/8935 cut-off events. [2021-03-26 03:56:40,877 INFO L130 PetriNetUnfolder]: For 445797/452216 co-relation queries the response was YES. [2021-03-26 03:56:40,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66380 conditions, 8935 events. 0/8935 cut-off events. For 445797/452216 co-relation queries the response was YES. Maximal size of possible extension queue 1491. Compared 167829 event pairs, 0 based on Foata normal form. 36/8455 useless extension candidates. Maximal degree in co-relation 0. Up to 1036 conditions per place. [2021-03-26 03:56:40,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 5958 [2021-03-26 03:56:41,115 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:41,115 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:41,115 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2735 [2021-03-26 03:56:41,116 INFO L480 AbstractCegarLoop]: Abstraction has has 476 places, 1034 transitions, 47059 flow [2021-03-26 03:56:41,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:41,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:41,116 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:41,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 03:56:41,116 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:41,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:41,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1457430648, now seen corresponding path program 75 times [2021-03-26 03:56:41,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:41,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267287516] [2021-03-26 03:56:41,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:41,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:41,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:41,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:41,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:41,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:56:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:56:41,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:41,423 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:56:41,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:56:41,438 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:41,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:41,456 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:56:41,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:56:41,480 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:56:41,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:56:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:41,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267287516] [2021-03-26 03:56:41,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:41,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:56:41,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093011751] [2021-03-26 03:56:41,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:56:41,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:41,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:56:41,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:56:41,502 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:56:41,503 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 1034 transitions, 47059 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:41,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:41,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:56:41,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:47,456 INFO L129 PetriNetUnfolder]: 523/9898 cut-off events. [2021-03-26 03:56:47,456 INFO L130 PetriNetUnfolder]: For 491369/504803 co-relation queries the response was YES. [2021-03-26 03:56:47,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82457 conditions, 9898 events. 523/9898 cut-off events. For 491369/504803 co-relation queries the response was YES. Maximal size of possible extension queue 1558. Compared 177357 event pairs, 523 based on Foata normal form. 74/9470 useless extension candidates. Maximal degree in co-relation 82284. Up to 1720 conditions per place. [2021-03-26 03:56:47,548 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 521 selfloop transitions, 543 changer transitions 1/1079 dead transitions. [2021-03-26 03:56:47,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 1079 transitions, 51016 flow [2021-03-26 03:56:47,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:56:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:56:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:56:47,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:56:47,549 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:56:47,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:56:47,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:47,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:56:47,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:47,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:47,551 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:47,551 INFO L185 Difference]: Start difference. First operand has 476 places, 1034 transitions, 47059 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:56:47,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 1079 transitions, 51016 flow [2021-03-26 03:56:52,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 1079 transitions, 50041 flow, removed 57 selfloop flow, removed 5 redundant places. [2021-03-26 03:56:52,323 INFO L241 Difference]: Finished difference. Result has 482 places, 1063 transitions, 48741 flow [2021-03-26 03:56:52,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=46114, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1034, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=513, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=48741, PETRI_PLACES=482, PETRI_TRANSITIONS=1063} [2021-03-26 03:56:52,324 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 438 predicate places. [2021-03-26 03:56:52,324 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:52,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 1063 transitions, 48741 flow [2021-03-26 03:56:52,325 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 1063 transitions, 48741 flow [2021-03-26 03:56:52,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 481 places, 1063 transitions, 48741 flow [2021-03-26 03:56:54,780 INFO L129 PetriNetUnfolder]: 0/8929 cut-off events. [2021-03-26 03:56:54,780 INFO L130 PetriNetUnfolder]: For 455287/461706 co-relation queries the response was YES. [2021-03-26 03:56:54,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67258 conditions, 8929 events. 0/8929 cut-off events. For 455287/461706 co-relation queries the response was YES. Maximal size of possible extension queue 1490. Compared 167670 event pairs, 0 based on Foata normal form. 36/8445 useless extension candidates. Maximal degree in co-relation 0. Up to 1035 conditions per place. [2021-03-26 03:56:55,158 INFO L142 LiptonReduction]: Number of co-enabled transitions 6160 [2021-03-26 03:56:55,312 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:55,312 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:55,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2988 [2021-03-26 03:56:55,313 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 1063 transitions, 48741 flow [2021-03-26 03:56:55,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:55,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:55,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:55,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 03:56:55,313 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:55,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:55,313 INFO L82 PathProgramCache]: Analyzing trace with hash 850628048, now seen corresponding path program 76 times [2021-03-26 03:56:55,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:55,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167609954] [2021-03-26 03:56:55,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:55,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:55,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:55,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:55,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:56:55,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:56:55,338 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:55,350 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:56:55,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:56:55,366 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:55,388 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:56:55,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:56:55,413 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:56:55,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:56:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:55,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167609954] [2021-03-26 03:56:55,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:55,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:56:55,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296991821] [2021-03-26 03:56:55,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:56:55,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:55,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:56:55,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:56:55,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:56:55,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 1063 transitions, 48741 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:55,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:55,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:56:55,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:01,799 INFO L129 PetriNetUnfolder]: 523/9892 cut-off events. [2021-03-26 03:57:01,799 INFO L130 PetriNetUnfolder]: For 501848/515282 co-relation queries the response was YES. [2021-03-26 03:57:01,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83333 conditions, 9892 events. 523/9892 cut-off events. For 501848/515282 co-relation queries the response was YES. Maximal size of possible extension queue 1557. Compared 177254 event pairs, 523 based on Foata normal form. 74/9486 useless extension candidates. Maximal degree in co-relation 83159. Up to 1720 conditions per place. [2021-03-26 03:57:01,893 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 520 selfloop transitions, 541 changer transitions 3/1078 dead transitions. [2021-03-26 03:57:01,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 1078 transitions, 51400 flow [2021-03-26 03:57:01,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:57:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:57:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:57:01,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:57:01,895 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:57:01,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:57:01,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:01,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:57:01,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:01,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:01,896 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:01,896 INFO L185 Difference]: Start difference. First operand has 481 places, 1063 transitions, 48741 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:57:01,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 1078 transitions, 51400 flow [2021-03-26 03:57:06,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 1078 transitions, 50528 flow, removed 44 selfloop flow, removed 5 redundant places. [2021-03-26 03:57:06,969 INFO L241 Difference]: Finished difference. Result has 486 places, 1064 transitions, 49079 flow [2021-03-26 03:57:06,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47879, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49079, PETRI_PLACES=486, PETRI_TRANSITIONS=1064} [2021-03-26 03:57:06,970 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 442 predicate places. [2021-03-26 03:57:06,970 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:06,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 486 places, 1064 transitions, 49079 flow [2021-03-26 03:57:06,970 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 486 places, 1064 transitions, 49079 flow [2021-03-26 03:57:06,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 1064 transitions, 49079 flow [2021-03-26 03:57:09,749 INFO L129 PetriNetUnfolder]: 0/8919 cut-off events. [2021-03-26 03:57:09,750 INFO L130 PetriNetUnfolder]: For 455696/462122 co-relation queries the response was YES. [2021-03-26 03:57:09,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67662 conditions, 8919 events. 0/8919 cut-off events. For 455696/462122 co-relation queries the response was YES. Maximal size of possible extension queue 1488. Compared 167514 event pairs, 0 based on Foata normal form. 36/8430 useless extension candidates. Maximal degree in co-relation 0. Up to 1034 conditions per place. [2021-03-26 03:57:09,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 6164 [2021-03-26 03:57:09,985 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:09,986 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:09,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3016 [2021-03-26 03:57:09,986 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 1064 transitions, 49079 flow [2021-03-26 03:57:09,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:09,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:09,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:09,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 03:57:09,986 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:09,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:09,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1514833396, now seen corresponding path program 77 times [2021-03-26 03:57:09,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:09,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080794428] [2021-03-26 03:57:09,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:09,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:09,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:10,002 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:57:10,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:57:10,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:57:10,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:57:10,022 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:57:10,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:57:10,049 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:57:10,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:57:10,085 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:57:10,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:57:10,113 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:57:10,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:57:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:10,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080794428] [2021-03-26 03:57:10,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:10,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:57:10,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280177838] [2021-03-26 03:57:10,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:57:10,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:10,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:57:10,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:57:10,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:57:10,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 1064 transitions, 49079 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:10,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:10,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:57:10,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:16,214 INFO L129 PetriNetUnfolder]: 523/9882 cut-off events. [2021-03-26 03:57:16,214 INFO L130 PetriNetUnfolder]: For 501420/514840 co-relation queries the response was YES. [2021-03-26 03:57:16,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83732 conditions, 9882 events. 523/9882 cut-off events. For 501420/514840 co-relation queries the response was YES. Maximal size of possible extension queue 1555. Compared 176998 event pairs, 523 based on Foata normal form. 74/9476 useless extension candidates. Maximal degree in co-relation 83558. Up to 1720 conditions per place. [2021-03-26 03:57:16,320 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 519 selfloop transitions, 540 changer transitions 2/1075 dead transitions. [2021-03-26 03:57:16,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 1075 transitions, 51511 flow [2021-03-26 03:57:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:57:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:57:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:57:16,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:57:16,321 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:57:16,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:57:16,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:16,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:57:16,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:16,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:16,322 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:16,323 INFO L185 Difference]: Start difference. First operand has 485 places, 1064 transitions, 49079 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:57:16,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 1075 transitions, 51511 flow [2021-03-26 03:57:21,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 1075 transitions, 50449 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:57:21,317 INFO L241 Difference]: Finished difference. Result has 488 places, 1062 transitions, 49006 flow [2021-03-26 03:57:21,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48027, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49006, PETRI_PLACES=488, PETRI_TRANSITIONS=1062} [2021-03-26 03:57:21,318 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 444 predicate places. [2021-03-26 03:57:21,318 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:21,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 1062 transitions, 49006 flow [2021-03-26 03:57:21,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 1062 transitions, 49006 flow [2021-03-26 03:57:21,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 487 places, 1062 transitions, 49006 flow [2021-03-26 03:57:24,033 INFO L129 PetriNetUnfolder]: 0/8910 cut-off events. [2021-03-26 03:57:24,033 INFO L130 PetriNetUnfolder]: For 455776/462202 co-relation queries the response was YES. [2021-03-26 03:57:24,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67612 conditions, 8910 events. 0/8910 cut-off events. For 455776/462202 co-relation queries the response was YES. Maximal size of possible extension queue 1486. Compared 167329 event pairs, 0 based on Foata normal form. 36/8429 useless extension candidates. Maximal degree in co-relation 0. Up to 1033 conditions per place. [2021-03-26 03:57:24,113 INFO L142 LiptonReduction]: Number of co-enabled transitions 6144 [2021-03-26 03:57:24,296 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:24,296 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:24,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2978 [2021-03-26 03:57:24,296 INFO L480 AbstractCegarLoop]: Abstraction has has 487 places, 1062 transitions, 49006 flow [2021-03-26 03:57:24,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:24,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:24,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:24,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 03:57:24,297 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:24,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:24,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1025901608, now seen corresponding path program 78 times [2021-03-26 03:57:24,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:24,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54028528] [2021-03-26 03:57:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:24,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:24,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:24,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:24,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:24,312 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:57:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:57:24,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:57:24,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:57:24,332 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:57:24,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:57:24,359 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:24,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:24,379 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:57:24,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:57:24,402 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:57:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:57:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:24,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54028528] [2021-03-26 03:57:24,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:24,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:57:24,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800982516] [2021-03-26 03:57:24,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:57:24,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:24,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:57:24,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:57:24,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:57:24,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 1062 transitions, 49006 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:24,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:24,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:57:24,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:30,402 INFO L129 PetriNetUnfolder]: 523/9873 cut-off events. [2021-03-26 03:57:30,402 INFO L130 PetriNetUnfolder]: For 500726/514146 co-relation queries the response was YES. [2021-03-26 03:57:30,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83678 conditions, 9873 events. 523/9873 cut-off events. For 500726/514146 co-relation queries the response was YES. Maximal size of possible extension queue 1553. Compared 176715 event pairs, 523 based on Foata normal form. 74/9468 useless extension candidates. Maximal degree in co-relation 83504. Up to 1720 conditions per place. [2021-03-26 03:57:30,498 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 511 selfloop transitions, 546 changer transitions 2/1073 dead transitions. [2021-03-26 03:57:30,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 1073 transitions, 51434 flow [2021-03-26 03:57:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:57:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:57:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:57:30,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:57:30,499 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:57:30,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:57:30,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:30,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:57:30,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:30,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:30,500 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:30,500 INFO L185 Difference]: Start difference. First operand has 487 places, 1062 transitions, 49006 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:57:30,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 1073 transitions, 51434 flow [2021-03-26 03:57:35,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 1073 transitions, 50366 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 03:57:35,427 INFO L241 Difference]: Finished difference. Result has 491 places, 1062 transitions, 49058 flow [2021-03-26 03:57:35,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47948, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=544, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49058, PETRI_PLACES=491, PETRI_TRANSITIONS=1062} [2021-03-26 03:57:35,428 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 447 predicate places. [2021-03-26 03:57:35,428 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:35,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 1062 transitions, 49058 flow [2021-03-26 03:57:35,429 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 1062 transitions, 49058 flow [2021-03-26 03:57:35,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 1062 transitions, 49058 flow [2021-03-26 03:57:38,189 INFO L129 PetriNetUnfolder]: 0/8901 cut-off events. [2021-03-26 03:57:38,189 INFO L130 PetriNetUnfolder]: For 453671/458786 co-relation queries the response was YES. [2021-03-26 03:57:38,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67564 conditions, 8901 events. 0/8901 cut-off events. For 453671/458786 co-relation queries the response was YES. Maximal size of possible extension queue 1485. Compared 167087 event pairs, 0 based on Foata normal form. 37/8416 useless extension candidates. Maximal degree in co-relation 0. Up to 1032 conditions per place. [2021-03-26 03:57:38,287 INFO L142 LiptonReduction]: Number of co-enabled transitions 6148 [2021-03-26 03:57:38,441 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:38,441 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:38,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3013 [2021-03-26 03:57:38,441 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 1062 transitions, 49058 flow [2021-03-26 03:57:38,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:38,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:38,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:38,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 03:57:38,441 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:38,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:38,442 INFO L82 PathProgramCache]: Analyzing trace with hash 481848238, now seen corresponding path program 79 times [2021-03-26 03:57:38,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:38,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283135541] [2021-03-26 03:57:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:38,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:38,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:38,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:38,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:38,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:57:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:57:38,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:57:38,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:57:38,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:57:38,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:57:38,490 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:38,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:38,508 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:57:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:57:38,532 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:57:38,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:57:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:38,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283135541] [2021-03-26 03:57:38,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:38,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:57:38,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011103476] [2021-03-26 03:57:38,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:57:38,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:38,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:57:38,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:57:38,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:57:38,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 1062 transitions, 49058 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:38,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:38,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:57:38,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:44,517 INFO L129 PetriNetUnfolder]: 523/9864 cut-off events. [2021-03-26 03:57:44,517 INFO L130 PetriNetUnfolder]: For 500693/514108 co-relation queries the response was YES. [2021-03-26 03:57:44,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83626 conditions, 9864 events. 523/9864 cut-off events. For 500693/514108 co-relation queries the response was YES. Maximal size of possible extension queue 1552. Compared 176586 event pairs, 523 based on Foata normal form. 72/9457 useless extension candidates. Maximal degree in co-relation 83451. Up to 1720 conditions per place. [2021-03-26 03:57:44,620 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 530 selfloop transitions, 527 changer transitions 2/1073 dead transitions. [2021-03-26 03:57:44,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 1073 transitions, 51472 flow [2021-03-26 03:57:44,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:57:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:57:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:57:44,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:57:44,621 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:57:44,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:57:44,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:44,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:57:44,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:44,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:44,622 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:44,623 INFO L185 Difference]: Start difference. First operand has 490 places, 1062 transitions, 49058 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:57:44,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 1073 transitions, 51472 flow [2021-03-26 03:57:49,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 1073 transitions, 50393 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 03:57:49,688 INFO L241 Difference]: Finished difference. Result has 493 places, 1060 transitions, 48929 flow [2021-03-26 03:57:49,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47989, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=527, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=48929, PETRI_PLACES=493, PETRI_TRANSITIONS=1060} [2021-03-26 03:57:49,688 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 449 predicate places. [2021-03-26 03:57:49,689 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:49,689 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 493 places, 1060 transitions, 48929 flow [2021-03-26 03:57:49,689 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 493 places, 1060 transitions, 48929 flow [2021-03-26 03:57:49,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 1060 transitions, 48929 flow [2021-03-26 03:57:52,269 INFO L129 PetriNetUnfolder]: 0/8893 cut-off events. [2021-03-26 03:57:52,269 INFO L130 PetriNetUnfolder]: For 454580/459905 co-relation queries the response was YES. [2021-03-26 03:57:52,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67515 conditions, 8893 events. 0/8893 cut-off events. For 454580/459905 co-relation queries the response was YES. Maximal size of possible extension queue 1483. Compared 166878 event pairs, 0 based on Foata normal form. 37/8404 useless extension candidates. Maximal degree in co-relation 0. Up to 1031 conditions per place. [2021-03-26 03:57:52,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 6138 [2021-03-26 03:57:52,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:52,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:52,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2820 [2021-03-26 03:57:52,509 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 1060 transitions, 48929 flow [2021-03-26 03:57:52,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:52,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:52,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:52,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 03:57:52,510 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:52,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:52,510 INFO L82 PathProgramCache]: Analyzing trace with hash -360982678, now seen corresponding path program 80 times [2021-03-26 03:57:52,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:52,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911437624] [2021-03-26 03:57:52,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:52,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:52,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:52,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:52,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:52,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:57:52,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:57:52,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:57:52,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:57:52,542 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:57:52,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:57:52,564 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:57:52,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:57:52,594 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:57:52,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:57:52,621 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:57:52,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:57:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:52,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911437624] [2021-03-26 03:57:52,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:52,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:57:52,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224598249] [2021-03-26 03:57:52,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:57:52,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:52,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:57:52,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:57:52,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:57:52,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 1060 transitions, 48929 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:52,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:52,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:57:52,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:58,601 INFO L129 PetriNetUnfolder]: 523/9856 cut-off events. [2021-03-26 03:57:58,601 INFO L130 PetriNetUnfolder]: For 500134/513554 co-relation queries the response was YES. [2021-03-26 03:57:58,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83574 conditions, 9856 events. 523/9856 cut-off events. For 500134/513554 co-relation queries the response was YES. Maximal size of possible extension queue 1550. Compared 176366 event pairs, 523 based on Foata normal form. 74/9451 useless extension candidates. Maximal degree in co-relation 83399. Up to 1720 conditions per place. [2021-03-26 03:57:58,698 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 512 selfloop transitions, 541 changer transitions 2/1069 dead transitions. [2021-03-26 03:57:58,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 1069 transitions, 51257 flow [2021-03-26 03:57:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:57:58,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:57:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:57:58,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:57:58,699 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:57:58,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:57:58,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:58,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:57:58,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:58,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:58,700 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:58,700 INFO L185 Difference]: Start difference. First operand has 492 places, 1060 transitions, 48929 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:57:58,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 1069 transitions, 51257 flow [2021-03-26 03:58:03,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 1069 transitions, 50407 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-26 03:58:03,480 INFO L241 Difference]: Finished difference. Result has 497 places, 1062 transitions, 49352 flow [2021-03-26 03:58:03,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48089, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=537, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49352, PETRI_PLACES=497, PETRI_TRANSITIONS=1062} [2021-03-26 03:58:03,481 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 453 predicate places. [2021-03-26 03:58:03,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:03,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 497 places, 1062 transitions, 49352 flow [2021-03-26 03:58:03,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 497 places, 1062 transitions, 49352 flow [2021-03-26 03:58:03,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 1062 transitions, 49352 flow [2021-03-26 03:58:06,057 INFO L129 PetriNetUnfolder]: 0/8885 cut-off events. [2021-03-26 03:58:06,057 INFO L130 PetriNetUnfolder]: For 455072/460383 co-relation queries the response was YES. [2021-03-26 03:58:06,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68025 conditions, 8885 events. 0/8885 cut-off events. For 455072/460383 co-relation queries the response was YES. Maximal size of possible extension queue 1483. Compared 166819 event pairs, 0 based on Foata normal form. 37/8394 useless extension candidates. Maximal degree in co-relation 0. Up to 1030 conditions per place. [2021-03-26 03:58:06,144 INFO L142 LiptonReduction]: Number of co-enabled transitions 6158 [2021-03-26 03:58:06,298 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:06,298 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:06,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2818 [2021-03-26 03:58:06,299 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 1062 transitions, 49352 flow [2021-03-26 03:58:06,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:06,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:06,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:06,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 03:58:06,299 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:06,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:06,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1814298980, now seen corresponding path program 81 times [2021-03-26 03:58:06,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:06,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465449595] [2021-03-26 03:58:06,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:06,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:06,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:06,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:06,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:58:06,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:58:06,324 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:06,337 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:58:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:58:06,366 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:58:06,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:58:06,405 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:58:06,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:58:06,439 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:58:06,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:58:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:06,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465449595] [2021-03-26 03:58:06,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:06,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:58:06,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38016336] [2021-03-26 03:58:06,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:58:06,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:06,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:58:06,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:58:06,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:58:06,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 1062 transitions, 49352 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:06,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:06,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:58:06,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:12,491 INFO L129 PetriNetUnfolder]: 523/9848 cut-off events. [2021-03-26 03:58:12,491 INFO L130 PetriNetUnfolder]: For 503064/516484 co-relation queries the response was YES. [2021-03-26 03:58:12,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84081 conditions, 9848 events. 523/9848 cut-off events. For 503064/516484 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 176298 event pairs, 523 based on Foata normal form. 74/9443 useless extension candidates. Maximal degree in co-relation 83906. Up to 1720 conditions per place. [2021-03-26 03:58:12,591 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 512 selfloop transitions, 539 changer transitions 2/1067 dead transitions. [2021-03-26 03:58:12,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 1067 transitions, 51478 flow [2021-03-26 03:58:12,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:58:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:58:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:58:12,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:58:12,592 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:58:12,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:58:12,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:12,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:58:12,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:12,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:12,593 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:12,594 INFO L185 Difference]: Start difference. First operand has 496 places, 1062 transitions, 49352 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:58:12,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 1067 transitions, 51478 flow [2021-03-26 03:58:17,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 1067 transitions, 50480 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 03:58:17,579 INFO L241 Difference]: Finished difference. Result has 500 places, 1060 transitions, 49321 flow [2021-03-26 03:58:17,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48364, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=539, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49321, PETRI_PLACES=500, PETRI_TRANSITIONS=1060} [2021-03-26 03:58:17,580 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 456 predicate places. [2021-03-26 03:58:17,580 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:17,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 500 places, 1060 transitions, 49321 flow [2021-03-26 03:58:17,580 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 500 places, 1060 transitions, 49321 flow [2021-03-26 03:58:17,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 499 places, 1060 transitions, 49321 flow [2021-03-26 03:58:20,328 INFO L129 PetriNetUnfolder]: 0/8877 cut-off events. [2021-03-26 03:58:20,328 INFO L130 PetriNetUnfolder]: For 456809/463219 co-relation queries the response was YES. [2021-03-26 03:58:20,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68085 conditions, 8877 events. 0/8877 cut-off events. For 456809/463219 co-relation queries the response was YES. Maximal size of possible extension queue 1480. Compared 166414 event pairs, 0 based on Foata normal form. 36/8384 useless extension candidates. Maximal degree in co-relation 0. Up to 1029 conditions per place. [2021-03-26 03:58:20,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 6140 [2021-03-26 03:58:20,563 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:20,563 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:20,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2983 [2021-03-26 03:58:20,564 INFO L480 AbstractCegarLoop]: Abstraction has has 499 places, 1060 transitions, 49321 flow [2021-03-26 03:58:20,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:20,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:20,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:20,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 03:58:20,564 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:20,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:20,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1724076524, now seen corresponding path program 82 times [2021-03-26 03:58:20,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:20,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308886655] [2021-03-26 03:58:20,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:20,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:20,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:20,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:20,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:20,580 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:58:20,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:58:20,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:20,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:20,604 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:20,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:20,620 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:58:20,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:58:20,638 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:58:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:58:20,661 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:58:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:58:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:20,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308886655] [2021-03-26 03:58:20,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:20,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:58:20,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339226903] [2021-03-26 03:58:20,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:58:20,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:20,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:58:20,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:58:20,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:58:20,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 1060 transitions, 49321 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:20,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:20,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:58:20,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:26,666 INFO L129 PetriNetUnfolder]: 523/9840 cut-off events. [2021-03-26 03:58:26,666 INFO L130 PetriNetUnfolder]: For 501545/514965 co-relation queries the response was YES. [2021-03-26 03:58:26,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84138 conditions, 9840 events. 523/9840 cut-off events. For 501545/514965 co-relation queries the response was YES. Maximal size of possible extension queue 1547. Compared 176122 event pairs, 523 based on Foata normal form. 74/9435 useless extension candidates. Maximal degree in co-relation 83963. Up to 1720 conditions per place. [2021-03-26 03:58:26,764 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 497 selfloop transitions, 553 changer transitions 1/1065 dead transitions. [2021-03-26 03:58:26,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 1065 transitions, 51443 flow [2021-03-26 03:58:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:58:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:58:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:58:26,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:58:26,765 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:58:26,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:58:26,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:26,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:58:26,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:26,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:26,766 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:26,766 INFO L185 Difference]: Start difference. First operand has 499 places, 1060 transitions, 49321 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:58:26,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 1065 transitions, 51443 flow [2021-03-26 03:58:31,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 1065 transitions, 50376 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:58:31,845 INFO L241 Difference]: Finished difference. Result has 502 places, 1059 transitions, 49300 flow [2021-03-26 03:58:31,846 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48264, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=553, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49300, PETRI_PLACES=502, PETRI_TRANSITIONS=1059} [2021-03-26 03:58:31,846 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 458 predicate places. [2021-03-26 03:58:31,846 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:31,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 1059 transitions, 49300 flow [2021-03-26 03:58:31,847 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 1059 transitions, 49300 flow [2021-03-26 03:58:31,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 1059 transitions, 49300 flow [2021-03-26 03:58:34,533 INFO L129 PetriNetUnfolder]: 0/8871 cut-off events. [2021-03-26 03:58:34,533 INFO L130 PetriNetUnfolder]: For 454627/461037 co-relation queries the response was YES. [2021-03-26 03:58:34,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68058 conditions, 8871 events. 0/8871 cut-off events. For 454627/461037 co-relation queries the response was YES. Maximal size of possible extension queue 1479. Compared 166402 event pairs, 0 based on Foata normal form. 36/8383 useless extension candidates. Maximal degree in co-relation 0. Up to 1028 conditions per place. [2021-03-26 03:58:34,620 INFO L142 LiptonReduction]: Number of co-enabled transitions 6134 [2021-03-26 03:58:34,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:34,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:34,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2919 [2021-03-26 03:58:34,765 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 1059 transitions, 49300 flow [2021-03-26 03:58:34,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:34,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:34,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:34,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 03:58:34,766 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:34,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:34,766 INFO L82 PathProgramCache]: Analyzing trace with hash 2110304440, now seen corresponding path program 83 times [2021-03-26 03:58:34,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:34,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119925621] [2021-03-26 03:58:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:34,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:34,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:34,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:34,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:58:34,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:58:34,798 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:34,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:34,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:34,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:34,834 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:58:34,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:58:34,869 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:58:34,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:58:34,896 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:58:34,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:58:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:34,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119925621] [2021-03-26 03:58:34,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:34,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:58:34,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144878075] [2021-03-26 03:58:34,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:58:34,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:34,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:58:34,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:58:34,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:58:34,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 1059 transitions, 49300 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:34,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:34,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:58:34,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:40,906 INFO L129 PetriNetUnfolder]: 523/9834 cut-off events. [2021-03-26 03:58:40,906 INFO L130 PetriNetUnfolder]: For 501144/514564 co-relation queries the response was YES. [2021-03-26 03:58:40,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84109 conditions, 9834 events. 523/9834 cut-off events. For 501144/514564 co-relation queries the response was YES. Maximal size of possible extension queue 1546. Compared 175830 event pairs, 523 based on Foata normal form. 74/9429 useless extension candidates. Maximal degree in co-relation 83934. Up to 1720 conditions per place. [2021-03-26 03:58:41,005 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 486 selfloop transitions, 562 changer transitions 2/1064 dead transitions. [2021-03-26 03:58:41,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 1064 transitions, 51420 flow [2021-03-26 03:58:41,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:58:41,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:58:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:58:41,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:58:41,007 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:58:41,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:58:41,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:41,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:58:41,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:41,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:41,008 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:41,008 INFO L185 Difference]: Start difference. First operand has 501 places, 1059 transitions, 49300 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:58:41,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 1064 transitions, 51420 flow [2021-03-26 03:58:45,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1064 transitions, 50603 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-26 03:58:45,888 INFO L241 Difference]: Finished difference. Result has 506 places, 1057 transitions, 49487 flow [2021-03-26 03:58:45,888 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48493, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49487, PETRI_PLACES=506, PETRI_TRANSITIONS=1057} [2021-03-26 03:58:45,888 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 462 predicate places. [2021-03-26 03:58:45,888 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:45,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 1057 transitions, 49487 flow [2021-03-26 03:58:45,888 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 1057 transitions, 49487 flow [2021-03-26 03:58:45,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 1057 transitions, 49487 flow [2021-03-26 03:58:48,700 INFO L129 PetriNetUnfolder]: 0/8864 cut-off events. [2021-03-26 03:58:48,701 INFO L130 PetriNetUnfolder]: For 456063/462255 co-relation queries the response was YES. [2021-03-26 03:58:48,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68540 conditions, 8864 events. 0/8864 cut-off events. For 456063/462255 co-relation queries the response was YES. Maximal size of possible extension queue 1478. Compared 166313 event pairs, 0 based on Foata normal form. 37/8388 useless extension candidates. Maximal degree in co-relation 0. Up to 1027 conditions per place. [2021-03-26 03:58:48,792 INFO L142 LiptonReduction]: Number of co-enabled transitions 6122 [2021-03-26 03:58:48,936 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:48,936 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:48,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3049 [2021-03-26 03:58:48,937 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 1057 transitions, 49487 flow [2021-03-26 03:58:48,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:48,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:48,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:48,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 03:58:48,937 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:48,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1506881736, now seen corresponding path program 84 times [2021-03-26 03:58:48,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:48,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013117305] [2021-03-26 03:58:48,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:48,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:48,958 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:58:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:58:48,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:48,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:48,979 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:48,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:48,996 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:58:48,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:58:49,029 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:58:49,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:58:49,053 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:58:49,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:58:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:49,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013117305] [2021-03-26 03:58:49,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:49,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:58:49,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004846379] [2021-03-26 03:58:49,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:58:49,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:49,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:58:49,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:58:49,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:58:49,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 1057 transitions, 49487 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:49,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:49,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:58:49,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:55,159 INFO L129 PetriNetUnfolder]: 523/9827 cut-off events. [2021-03-26 03:58:55,159 INFO L130 PetriNetUnfolder]: For 501536/514956 co-relation queries the response was YES. [2021-03-26 03:58:55,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84588 conditions, 9827 events. 523/9827 cut-off events. For 501536/514956 co-relation queries the response was YES. Maximal size of possible extension queue 1545. Compared 175739 event pairs, 523 based on Foata normal form. 74/9422 useless extension candidates. Maximal degree in co-relation 84413. Up to 1720 conditions per place. [2021-03-26 03:58:55,256 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 487 selfloop transitions, 560 changer transitions 1/1062 dead transitions. [2021-03-26 03:58:55,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 1062 transitions, 51603 flow [2021-03-26 03:58:55,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:58:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:58:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:58:55,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:58:55,257 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:58:55,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:58:55,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:55,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:58:55,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:55,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:55,258 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:55,258 INFO L185 Difference]: Start difference. First operand has 505 places, 1057 transitions, 49487 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:58:55,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 1062 transitions, 51603 flow [2021-03-26 03:59:00,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 1062 transitions, 50439 flow, removed 43 selfloop flow, removed 6 redundant places. [2021-03-26 03:59:00,200 INFO L241 Difference]: Finished difference. Result has 508 places, 1056 transitions, 49378 flow [2021-03-26 03:59:00,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48333, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=560, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49378, PETRI_PLACES=508, PETRI_TRANSITIONS=1056} [2021-03-26 03:59:00,201 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 464 predicate places. [2021-03-26 03:59:00,201 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:00,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 1056 transitions, 49378 flow [2021-03-26 03:59:00,202 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 1056 transitions, 49378 flow [2021-03-26 03:59:00,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 1056 transitions, 49378 flow [2021-03-26 03:59:03,025 INFO L129 PetriNetUnfolder]: 0/8861 cut-off events. [2021-03-26 03:59:03,025 INFO L130 PetriNetUnfolder]: For 453163/459589 co-relation queries the response was YES. [2021-03-26 03:59:03,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68575 conditions, 8861 events. 0/8861 cut-off events. For 453163/459589 co-relation queries the response was YES. Maximal size of possible extension queue 1477. Compared 166280 event pairs, 0 based on Foata normal form. 36/8388 useless extension candidates. Maximal degree in co-relation 0. Up to 1027 conditions per place. [2021-03-26 03:59:03,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 6110 [2021-03-26 03:59:03,259 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:03,259 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:03,259 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3058 [2021-03-26 03:59:03,259 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 1056 transitions, 49378 flow [2021-03-26 03:59:03,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:03,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:03,260 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:03,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 03:59:03,260 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:03,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:03,260 INFO L82 PathProgramCache]: Analyzing trace with hash -104259412, now seen corresponding path program 85 times [2021-03-26 03:59:03,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:03,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880220175] [2021-03-26 03:59:03,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:03,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:03,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:03,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:03,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:03,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:59:03,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:59:03,280 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:03,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:03,292 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:59:03,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:59:03,306 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:03,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:03,324 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:59:03,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:59:03,347 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:59:03,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:59:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:03,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880220175] [2021-03-26 03:59:03,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:03,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:59:03,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194324437] [2021-03-26 03:59:03,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:59:03,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:03,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:59:03,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:59:03,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:59:03,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 1056 transitions, 49378 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:03,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:03,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:59:03,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:09,369 INFO L129 PetriNetUnfolder]: 523/9824 cut-off events. [2021-03-26 03:59:09,369 INFO L130 PetriNetUnfolder]: For 497281/510696 co-relation queries the response was YES. [2021-03-26 03:59:09,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84621 conditions, 9824 events. 523/9824 cut-off events. For 497281/510696 co-relation queries the response was YES. Maximal size of possible extension queue 1544. Compared 175585 event pairs, 523 based on Foata normal form. 72/9417 useless extension candidates. Maximal degree in co-relation 84447. Up to 1720 conditions per place. [2021-03-26 03:59:09,460 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 494 selfloop transitions, 551 changer transitions 2/1061 dead transitions. [2021-03-26 03:59:09,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1061 transitions, 51492 flow [2021-03-26 03:59:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:59:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:59:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:59:09,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:59:09,462 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:59:09,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:59:09,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:09,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:59:09,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:09,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:09,463 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:09,463 INFO L185 Difference]: Start difference. First operand has 507 places, 1056 transitions, 49378 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:59:09,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 1061 transitions, 51492 flow [2021-03-26 03:59:14,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 1061 transitions, 50500 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:59:14,309 INFO L241 Difference]: Finished difference. Result has 511 places, 1054 transitions, 49368 flow [2021-03-26 03:59:14,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48396, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=551, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49368, PETRI_PLACES=511, PETRI_TRANSITIONS=1054} [2021-03-26 03:59:14,310 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 467 predicate places. [2021-03-26 03:59:14,310 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:14,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 511 places, 1054 transitions, 49368 flow [2021-03-26 03:59:14,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 511 places, 1054 transitions, 49368 flow [2021-03-26 03:59:14,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 1054 transitions, 49368 flow [2021-03-26 03:59:16,921 INFO L129 PetriNetUnfolder]: 0/8854 cut-off events. [2021-03-26 03:59:16,921 INFO L130 PetriNetUnfolder]: For 449802/455988 co-relation queries the response was YES. [2021-03-26 03:59:16,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68667 conditions, 8854 events. 0/8854 cut-off events. For 449802/455988 co-relation queries the response was YES. Maximal size of possible extension queue 1476. Compared 166119 event pairs, 0 based on Foata normal form. 36/8373 useless extension candidates. Maximal degree in co-relation 0. Up to 1026 conditions per place. [2021-03-26 03:59:17,030 INFO L142 LiptonReduction]: Number of co-enabled transitions 6094 [2021-03-26 03:59:17,439 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:17,439 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:17,439 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3129 [2021-03-26 03:59:17,440 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 1054 transitions, 49368 flow [2021-03-26 03:59:17,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:17,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:17,440 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:17,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 03:59:17,440 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:17,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:17,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1801091880, now seen corresponding path program 86 times [2021-03-26 03:59:17,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:17,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554253427] [2021-03-26 03:59:17,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:17,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:17,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:17,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:17,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:17,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:59:17,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:59:17,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:17,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:17,471 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:59:17,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:59:17,486 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:59:17,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:59:17,505 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:59:17,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:59:17,529 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:59:17,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:59:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:17,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554253427] [2021-03-26 03:59:17,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:17,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:59:17,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865588273] [2021-03-26 03:59:17,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:59:17,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:17,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:59:17,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:59:17,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:59:17,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1054 transitions, 49368 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:17,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:17,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:59:17,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:23,644 INFO L129 PetriNetUnfolder]: 523/9817 cut-off events. [2021-03-26 03:59:23,644 INFO L130 PetriNetUnfolder]: For 496850/510270 co-relation queries the response was YES. [2021-03-26 03:59:23,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84710 conditions, 9817 events. 523/9817 cut-off events. For 496850/510270 co-relation queries the response was YES. Maximal size of possible extension queue 1542. Compared 175520 event pairs, 523 based on Foata normal form. 74/9413 useless extension candidates. Maximal degree in co-relation 84536. Up to 1720 conditions per place. [2021-03-26 03:59:23,736 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 482 selfloop transitions, 561 changer transitions 2/1059 dead transitions. [2021-03-26 03:59:23,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 1059 transitions, 51478 flow [2021-03-26 03:59:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:59:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:59:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:59:23,739 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:59:23,739 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:59:23,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:59:23,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:23,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:59:23,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:23,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:23,740 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:23,740 INFO L185 Difference]: Start difference. First operand has 510 places, 1054 transitions, 49368 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:59:23,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 1059 transitions, 51478 flow [2021-03-26 03:59:28,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 1059 transitions, 50350 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 03:59:28,447 INFO L241 Difference]: Finished difference. Result has 512 places, 1052 transitions, 49249 flow [2021-03-26 03:59:28,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48250, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=561, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49249, PETRI_PLACES=512, PETRI_TRANSITIONS=1052} [2021-03-26 03:59:28,447 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 468 predicate places. [2021-03-26 03:59:28,448 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:28,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 1052 transitions, 49249 flow [2021-03-26 03:59:28,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 1052 transitions, 49249 flow [2021-03-26 03:59:28,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 1052 transitions, 49249 flow [2021-03-26 03:59:30,975 INFO L129 PetriNetUnfolder]: 0/8836 cut-off events. [2021-03-26 03:59:30,975 INFO L130 PetriNetUnfolder]: For 446873/452008 co-relation queries the response was YES. [2021-03-26 03:59:30,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68397 conditions, 8836 events. 0/8836 cut-off events. For 446873/452008 co-relation queries the response was YES. Maximal size of possible extension queue 1474. Compared 165654 event pairs, 0 based on Foata normal form. 37/8356 useless extension candidates. Maximal degree in co-relation 0. Up to 1024 conditions per place. [2021-03-26 03:59:31,113 INFO L142 LiptonReduction]: Number of co-enabled transitions 6066 [2021-03-26 03:59:31,289 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:31,289 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:31,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2841 [2021-03-26 03:59:31,290 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 1052 transitions, 49249 flow [2021-03-26 03:59:31,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:31,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:31,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:31,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 03:59:31,290 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:31,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:31,290 INFO L82 PathProgramCache]: Analyzing trace with hash 2115163928, now seen corresponding path program 87 times [2021-03-26 03:59:31,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:31,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41192416] [2021-03-26 03:59:31,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:31,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:59:31,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:59:31,310 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:31,320 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:31,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:31,345 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:59:31,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:59:31,363 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:59:31,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:59:31,387 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:59:31,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:59:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:31,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41192416] [2021-03-26 03:59:31,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:31,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:59:31,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142897470] [2021-03-26 03:59:31,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:59:31,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:31,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:59:31,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:59:31,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:59:31,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 1052 transitions, 49249 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:31,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:31,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:59:31,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:37,412 INFO L129 PetriNetUnfolder]: 523/9799 cut-off events. [2021-03-26 03:59:37,412 INFO L130 PetriNetUnfolder]: For 493385/506805 co-relation queries the response was YES. [2021-03-26 03:59:37,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84430 conditions, 9799 events. 523/9799 cut-off events. For 493385/506805 co-relation queries the response was YES. Maximal size of possible extension queue 1540. Compared 175233 event pairs, 523 based on Foata normal form. 74/9397 useless extension candidates. Maximal degree in co-relation 84257. Up to 1720 conditions per place. [2021-03-26 03:59:37,512 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 487 selfloop transitions, 554 changer transitions 2/1057 dead transitions. [2021-03-26 03:59:37,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 1057 transitions, 51355 flow [2021-03-26 03:59:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:59:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:59:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:59:37,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:59:37,514 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:59:37,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:59:37,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:37,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:59:37,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:37,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:37,515 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:37,515 INFO L185 Difference]: Start difference. First operand has 511 places, 1052 transitions, 49249 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:59:37,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 1057 transitions, 51355 flow [2021-03-26 03:59:42,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 1057 transitions, 50245 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 03:59:42,692 INFO L241 Difference]: Finished difference. Result has 513 places, 1050 transitions, 49123 flow [2021-03-26 03:59:42,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48149, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=554, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49123, PETRI_PLACES=513, PETRI_TRANSITIONS=1050} [2021-03-26 03:59:42,693 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 469 predicate places. [2021-03-26 03:59:42,693 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:42,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 1050 transitions, 49123 flow [2021-03-26 03:59:42,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 1050 transitions, 49123 flow [2021-03-26 03:59:42,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 512 places, 1050 transitions, 49123 flow [2021-03-26 03:59:45,234 INFO L129 PetriNetUnfolder]: 0/8826 cut-off events. [2021-03-26 03:59:45,234 INFO L130 PetriNetUnfolder]: For 444321/449646 co-relation queries the response was YES. [2021-03-26 03:59:45,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68285 conditions, 8826 events. 0/8826 cut-off events. For 444321/449646 co-relation queries the response was YES. Maximal size of possible extension queue 1473. Compared 165476 event pairs, 0 based on Foata normal form. 37/8345 useless extension candidates. Maximal degree in co-relation 0. Up to 1023 conditions per place. [2021-03-26 03:59:45,326 INFO L142 LiptonReduction]: Number of co-enabled transitions 6044 [2021-03-26 03:59:45,480 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:45,480 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:45,480 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2787 [2021-03-26 03:59:45,480 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 1050 transitions, 49123 flow [2021-03-26 03:59:45,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:45,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:45,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:45,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 03:59:45,481 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:45,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:45,481 INFO L82 PathProgramCache]: Analyzing trace with hash -604319470, now seen corresponding path program 88 times [2021-03-26 03:59:45,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:45,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459978063] [2021-03-26 03:59:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:45,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:45,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:45,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:45,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:45,501 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:59:45,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:59:45,509 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:45,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:45,521 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:45,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:45,547 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:59:45,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:59:45,576 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:59:45,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:59:45,601 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:59:45,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:59:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:45,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459978063] [2021-03-26 03:59:45,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:45,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:59:45,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905145461] [2021-03-26 03:59:45,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:59:45,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:45,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:59:45,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:59:45,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:59:45,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 1050 transitions, 49123 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:45,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:45,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:59:45,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:51,590 INFO L129 PetriNetUnfolder]: 523/9789 cut-off events. [2021-03-26 03:59:51,590 INFO L130 PetriNetUnfolder]: For 491891/505311 co-relation queries the response was YES. [2021-03-26 03:59:51,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84313 conditions, 9789 events. 523/9789 cut-off events. For 491891/505311 co-relation queries the response was YES. Maximal size of possible extension queue 1538. Compared 174864 event pairs, 523 based on Foata normal form. 74/9388 useless extension candidates. Maximal degree in co-relation 84141. Up to 1720 conditions per place. [2021-03-26 03:59:51,685 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 495 selfloop transitions, 544 changer transitions 2/1055 dead transitions. [2021-03-26 03:59:51,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 1055 transitions, 51225 flow [2021-03-26 03:59:51,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 03:59:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 03:59:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 03:59:51,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 03:59:51,686 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 03:59:51,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 03:59:51,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:51,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 03:59:51,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:51,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:51,687 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:51,687 INFO L185 Difference]: Start difference. First operand has 512 places, 1050 transitions, 49123 flow. Second operand 9 states and 674 transitions. [2021-03-26 03:59:51,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 1055 transitions, 51225 flow [2021-03-26 03:59:56,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 1055 transitions, 50142 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:59:56,469 INFO L241 Difference]: Finished difference. Result has 515 places, 1048 transitions, 49001 flow [2021-03-26 03:59:56,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48050, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=544, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49001, PETRI_PLACES=515, PETRI_TRANSITIONS=1048} [2021-03-26 03:59:56,470 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 471 predicate places. [2021-03-26 03:59:56,470 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:56,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1048 transitions, 49001 flow [2021-03-26 03:59:56,471 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1048 transitions, 49001 flow [2021-03-26 03:59:56,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 1048 transitions, 49001 flow [2021-03-26 03:59:59,333 INFO L129 PetriNetUnfolder]: 0/8818 cut-off events. [2021-03-26 03:59:59,333 INFO L130 PetriNetUnfolder]: For 445194/450505 co-relation queries the response was YES. [2021-03-26 03:59:59,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68237 conditions, 8818 events. 0/8818 cut-off events. For 445194/450505 co-relation queries the response was YES. Maximal size of possible extension queue 1471. Compared 165328 event pairs, 0 based on Foata normal form. 37/8337 useless extension candidates. Maximal degree in co-relation 0. Up to 1022 conditions per place. [2021-03-26 03:59:59,420 INFO L142 LiptonReduction]: Number of co-enabled transitions 6026 [2021-03-26 03:59:59,571 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:59,571 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:59,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3101 [2021-03-26 03:59:59,571 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 1048 transitions, 49001 flow [2021-03-26 03:59:59,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:59,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:59,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:59,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 03:59:59,572 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:59,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:59,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1189967436, now seen corresponding path program 89 times [2021-03-26 03:59:59,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:59,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9957562] [2021-03-26 03:59:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:59,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:59,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:59,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:59,598 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:59:59,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:59:59,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:59,617 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:59,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:59,643 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:59:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:59,674 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:59:59,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:59:59,698 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 03:59:59,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:59:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:59,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9957562] [2021-03-26 03:59:59,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:59,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 03:59:59,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369286618] [2021-03-26 03:59:59,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 03:59:59,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:59,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 03:59:59,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 03:59:59,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 03:59:59,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 1048 transitions, 49001 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:59,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:59,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 03:59:59,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:05,834 INFO L129 PetriNetUnfolder]: 523/9781 cut-off events. [2021-03-26 04:00:05,834 INFO L130 PetriNetUnfolder]: For 491192/504612 co-relation queries the response was YES. [2021-03-26 04:00:05,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84262 conditions, 9781 events. 523/9781 cut-off events. For 491192/504612 co-relation queries the response was YES. Maximal size of possible extension queue 1536. Compared 174735 event pairs, 523 based on Foata normal form. 74/9380 useless extension candidates. Maximal degree in co-relation 84090. Up to 1720 conditions per place. [2021-03-26 04:00:05,923 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 496 selfloop transitions, 541 changer transitions 2/1053 dead transitions. [2021-03-26 04:00:05,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1053 transitions, 51099 flow [2021-03-26 04:00:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:00:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:00:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:00:05,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:00:05,924 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:00:05,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:00:05,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:05,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:00:05,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:05,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:05,925 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:05,926 INFO L185 Difference]: Start difference. First operand has 514 places, 1048 transitions, 49001 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:00:05,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1053 transitions, 51099 flow [2021-03-26 04:00:10,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 1053 transitions, 50025 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 04:00:10,772 INFO L241 Difference]: Finished difference. Result has 517 places, 1046 transitions, 48882 flow [2021-03-26 04:00:10,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47937, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=48882, PETRI_PLACES=517, PETRI_TRANSITIONS=1046} [2021-03-26 04:00:10,773 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 473 predicate places. [2021-03-26 04:00:10,773 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:10,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 1046 transitions, 48882 flow [2021-03-26 04:00:10,773 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 1046 transitions, 48882 flow [2021-03-26 04:00:10,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 1046 transitions, 48882 flow [2021-03-26 04:00:13,236 INFO L129 PetriNetUnfolder]: 0/8810 cut-off events. [2021-03-26 04:00:13,236 INFO L130 PetriNetUnfolder]: For 446682/453092 co-relation queries the response was YES. [2021-03-26 04:00:13,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68185 conditions, 8810 events. 0/8810 cut-off events. For 446682/453092 co-relation queries the response was YES. Maximal size of possible extension queue 1468. Compared 164983 event pairs, 0 based on Foata normal form. 36/8325 useless extension candidates. Maximal degree in co-relation 0. Up to 1021 conditions per place. [2021-03-26 04:00:13,338 INFO L142 LiptonReduction]: Number of co-enabled transitions 6012 [2021-03-26 04:00:13,487 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:13,487 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:13,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2714 [2021-03-26 04:00:13,487 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 1046 transitions, 48882 flow [2021-03-26 04:00:13,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:13,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:13,487 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:13,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 04:00:13,488 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:13,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:13,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1278821634, now seen corresponding path program 90 times [2021-03-26 04:00:13,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:13,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254450236] [2021-03-26 04:00:13,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:13,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:13,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:13,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:13,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:13,503 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:00:13,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:00:13,513 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:13,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:13,523 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:00:13,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:00:13,548 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 04:00:13,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:13,580 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 04:00:13,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:00:13,604 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:00:13,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:00:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:13,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254450236] [2021-03-26 04:00:13,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:13,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:00:13,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586703117] [2021-03-26 04:00:13,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:00:13,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:13,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:00:13,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:00:13,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:00:13,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 1046 transitions, 48882 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:13,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:13,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:00:13,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:19,518 INFO L129 PetriNetUnfolder]: 523/9773 cut-off events. [2021-03-26 04:00:19,518 INFO L130 PetriNetUnfolder]: For 490402/503817 co-relation queries the response was YES. [2021-03-26 04:00:19,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84207 conditions, 9773 events. 523/9773 cut-off events. For 490402/503817 co-relation queries the response was YES. Maximal size of possible extension queue 1534. Compared 174540 event pairs, 523 based on Foata normal form. 72/9370 useless extension candidates. Maximal degree in co-relation 84035. Up to 1720 conditions per place. [2021-03-26 04:00:19,809 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 498 selfloop transitions, 538 changer transitions 1/1051 dead transitions. [2021-03-26 04:00:19,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 1051 transitions, 50976 flow [2021-03-26 04:00:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:00:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:00:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:00:19,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:00:19,810 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:00:19,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:00:19,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:19,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:00:19,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:19,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:19,812 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:19,812 INFO L185 Difference]: Start difference. First operand has 516 places, 1046 transitions, 48882 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:00:19,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 1051 transitions, 50976 flow [2021-03-26 04:00:24,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 1051 transitions, 50358 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 04:00:24,414 INFO L241 Difference]: Finished difference. Result has 521 places, 1045 transitions, 49268 flow [2021-03-26 04:00:24,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48274, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49268, PETRI_PLACES=521, PETRI_TRANSITIONS=1045} [2021-03-26 04:00:24,414 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 477 predicate places. [2021-03-26 04:00:24,415 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:24,415 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 1045 transitions, 49268 flow [2021-03-26 04:00:24,415 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 1045 transitions, 49268 flow [2021-03-26 04:00:24,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 1045 transitions, 49268 flow [2021-03-26 04:00:26,995 INFO L129 PetriNetUnfolder]: 0/8803 cut-off events. [2021-03-26 04:00:26,995 INFO L130 PetriNetUnfolder]: For 449820/456230 co-relation queries the response was YES. [2021-03-26 04:00:26,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68621 conditions, 8803 events. 0/8803 cut-off events. For 449820/456230 co-relation queries the response was YES. Maximal size of possible extension queue 1467. Compared 164971 event pairs, 0 based on Foata normal form. 36/8318 useless extension candidates. Maximal degree in co-relation 0. Up to 1020 conditions per place. [2021-03-26 04:00:27,091 INFO L142 LiptonReduction]: Number of co-enabled transitions 6008 [2021-03-26 04:00:27,239 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:27,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:27,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2824 [2021-03-26 04:00:27,239 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 1045 transitions, 49268 flow [2021-03-26 04:00:27,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:27,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:27,240 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:27,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 04:00:27,240 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:27,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:27,240 INFO L82 PathProgramCache]: Analyzing trace with hash -378235580, now seen corresponding path program 91 times [2021-03-26 04:00:27,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:27,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223633235] [2021-03-26 04:00:27,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:27,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:27,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:27,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:27,254 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:00:27,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:00:27,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:27,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:27,271 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:27,284 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 04:00:27,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:27,316 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 04:00:27,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:00:27,339 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:00:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:00:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:27,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223633235] [2021-03-26 04:00:27,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:27,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:00:27,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695908497] [2021-03-26 04:00:27,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:00:27,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:27,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:00:27,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:00:27,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:00:27,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 1045 transitions, 49268 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:27,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:27,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:00:27,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:33,497 INFO L129 PetriNetUnfolder]: 523/9766 cut-off events. [2021-03-26 04:00:33,497 INFO L130 PetriNetUnfolder]: For 495516/508936 co-relation queries the response was YES. [2021-03-26 04:00:33,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84641 conditions, 9766 events. 523/9766 cut-off events. For 495516/508936 co-relation queries the response was YES. Maximal size of possible extension queue 1533. Compared 174460 event pairs, 523 based on Foata normal form. 74/9365 useless extension candidates. Maximal degree in co-relation 84469. Up to 1720 conditions per place. [2021-03-26 04:00:33,592 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 518 selfloop transitions, 521 changer transitions 1/1054 dead transitions. [2021-03-26 04:00:33,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 1054 transitions, 51560 flow [2021-03-26 04:00:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:00:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:00:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:00:33,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:00:33,593 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:00:33,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:00:33,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:33,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:00:33,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:33,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:33,594 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:33,594 INFO L185 Difference]: Start difference. First operand has 520 places, 1045 transitions, 49268 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:00:33,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 1054 transitions, 51560 flow [2021-03-26 04:00:38,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 1054 transitions, 50481 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 04:00:38,619 INFO L241 Difference]: Finished difference. Result has 524 places, 1048 transitions, 49440 flow [2021-03-26 04:00:38,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48207, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49440, PETRI_PLACES=524, PETRI_TRANSITIONS=1048} [2021-03-26 04:00:38,620 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 480 predicate places. [2021-03-26 04:00:38,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:38,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 1048 transitions, 49440 flow [2021-03-26 04:00:38,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 1048 transitions, 49440 flow [2021-03-26 04:00:38,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 523 places, 1048 transitions, 49440 flow [2021-03-26 04:00:41,241 INFO L129 PetriNetUnfolder]: 0/8796 cut-off events. [2021-03-26 04:00:41,242 INFO L130 PetriNetUnfolder]: For 452935/459160 co-relation queries the response was YES. [2021-03-26 04:00:41,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68631 conditions, 8796 events. 0/8796 cut-off events. For 452935/459160 co-relation queries the response was YES. Maximal size of possible extension queue 1466. Compared 164862 event pairs, 0 based on Foata normal form. 37/8317 useless extension candidates. Maximal degree in co-relation 0. Up to 1019 conditions per place. [2021-03-26 04:00:41,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 6028 [2021-03-26 04:00:41,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:41,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:41,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3139 [2021-03-26 04:00:41,759 INFO L480 AbstractCegarLoop]: Abstraction has has 523 places, 1048 transitions, 49440 flow [2021-03-26 04:00:41,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:41,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:41,759 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:41,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 04:00:41,759 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:41,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:41,760 INFO L82 PathProgramCache]: Analyzing trace with hash -806416598, now seen corresponding path program 92 times [2021-03-26 04:00:41,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:41,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177102444] [2021-03-26 04:00:41,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:41,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:00:41,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:00:41,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:41,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:41,794 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:41,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:41,808 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 04:00:41,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:41,839 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 04:00:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:00:41,863 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:00:41,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:00:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:41,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177102444] [2021-03-26 04:00:41,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:41,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:00:41,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826591771] [2021-03-26 04:00:41,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:00:41,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:41,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:00:41,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:00:41,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:00:41,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 1048 transitions, 49440 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:41,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:41,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:00:41,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:47,972 INFO L129 PetriNetUnfolder]: 523/9759 cut-off events. [2021-03-26 04:00:47,972 INFO L130 PetriNetUnfolder]: For 497982/511402 co-relation queries the response was YES. [2021-03-26 04:00:48,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84649 conditions, 9759 events. 523/9759 cut-off events. For 497982/511402 co-relation queries the response was YES. Maximal size of possible extension queue 1532. Compared 174257 event pairs, 523 based on Foata normal form. 74/9358 useless extension candidates. Maximal degree in co-relation 84476. Up to 1720 conditions per place. [2021-03-26 04:00:48,064 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 514 selfloop transitions, 523 changer transitions 2/1053 dead transitions. [2021-03-26 04:00:48,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 1053 transitions, 51538 flow [2021-03-26 04:00:48,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:00:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:00:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:00:48,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:00:48,065 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:00:48,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:00:48,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:48,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:00:48,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:48,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:48,066 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:48,066 INFO L185 Difference]: Start difference. First operand has 523 places, 1048 transitions, 49440 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:00:48,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 1053 transitions, 51538 flow [2021-03-26 04:00:52,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 1053 transitions, 50562 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 04:00:52,813 INFO L241 Difference]: Finished difference. Result has 527 places, 1046 transitions, 49388 flow [2021-03-26 04:00:52,814 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48474, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=523, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49388, PETRI_PLACES=527, PETRI_TRANSITIONS=1046} [2021-03-26 04:00:52,814 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 483 predicate places. [2021-03-26 04:00:52,814 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:52,814 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 1046 transitions, 49388 flow [2021-03-26 04:00:52,814 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 1046 transitions, 49388 flow [2021-03-26 04:00:52,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 1046 transitions, 49388 flow [2021-03-26 04:00:55,342 INFO L129 PetriNetUnfolder]: 0/8788 cut-off events. [2021-03-26 04:00:55,342 INFO L130 PetriNetUnfolder]: For 449640/455865 co-relation queries the response was YES. [2021-03-26 04:00:55,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68695 conditions, 8788 events. 0/8788 cut-off events. For 449640/455865 co-relation queries the response was YES. Maximal size of possible extension queue 1464. Compared 164666 event pairs, 0 based on Foata normal form. 37/8306 useless extension candidates. Maximal degree in co-relation 0. Up to 1018 conditions per place. [2021-03-26 04:00:55,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 6014 [2021-03-26 04:00:55,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:55,592 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:55,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2778 [2021-03-26 04:00:55,592 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 1046 transitions, 49388 flow [2021-03-26 04:00:55,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:55,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:55,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:55,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 04:00:55,592 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:55,592 INFO L82 PathProgramCache]: Analyzing trace with hash -462220208, now seen corresponding path program 93 times [2021-03-26 04:00:55,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:55,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016942781] [2021-03-26 04:00:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:55,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:55,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:55,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:00:55,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:00:55,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:55,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:55,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:55,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:55,638 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:55,656 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 04:00:55,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:00:55,680 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:00:55,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:00:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:55,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016942781] [2021-03-26 04:00:55,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:55,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:00:55,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726195676] [2021-03-26 04:00:55,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:00:55,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:55,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:00:55,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:00:55,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:00:55,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 1046 transitions, 49388 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:55,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:55,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:00:55,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:01,691 INFO L129 PetriNetUnfolder]: 523/9751 cut-off events. [2021-03-26 04:01:01,691 INFO L130 PetriNetUnfolder]: For 497171/510591 co-relation queries the response was YES. [2021-03-26 04:01:01,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84710 conditions, 9751 events. 523/9751 cut-off events. For 497171/510591 co-relation queries the response was YES. Maximal size of possible extension queue 1531. Compared 174077 event pairs, 523 based on Foata normal form. 74/9350 useless extension candidates. Maximal degree in co-relation 84537. Up to 1720 conditions per place. [2021-03-26 04:01:01,785 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 521 selfloop transitions, 515 changer transitions 1/1051 dead transitions. [2021-03-26 04:01:01,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 1051 transitions, 51482 flow [2021-03-26 04:01:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:01:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:01:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:01:01,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:01:01,786 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:01:01,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:01:01,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:01,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:01:01,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:01,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:01,787 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:01,787 INFO L185 Difference]: Start difference. First operand has 526 places, 1046 transitions, 49388 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:01:01,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 1051 transitions, 51482 flow [2021-03-26 04:01:06,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1051 transitions, 50443 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 04:01:06,514 INFO L241 Difference]: Finished difference. Result has 529 places, 1045 transitions, 49317 flow [2021-03-26 04:01:06,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48359, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49317, PETRI_PLACES=529, PETRI_TRANSITIONS=1045} [2021-03-26 04:01:06,515 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 485 predicate places. [2021-03-26 04:01:06,515 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:06,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 529 places, 1045 transitions, 49317 flow [2021-03-26 04:01:06,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 529 places, 1045 transitions, 49317 flow [2021-03-26 04:01:06,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 528 places, 1045 transitions, 49317 flow [2021-03-26 04:01:09,192 INFO L129 PetriNetUnfolder]: 0/8781 cut-off events. [2021-03-26 04:01:09,193 INFO L130 PetriNetUnfolder]: For 450412/456598 co-relation queries the response was YES. [2021-03-26 04:01:09,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68673 conditions, 8781 events. 0/8781 cut-off events. For 450412/456598 co-relation queries the response was YES. Maximal size of possible extension queue 1463. Compared 164517 event pairs, 0 based on Foata normal form. 36/8305 useless extension candidates. Maximal degree in co-relation 0. Up to 1017 conditions per place. [2021-03-26 04:01:09,288 INFO L142 LiptonReduction]: Number of co-enabled transitions 6010 [2021-03-26 04:01:09,434 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:09,434 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:09,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2919 [2021-03-26 04:01:09,434 INFO L480 AbstractCegarLoop]: Abstraction has has 528 places, 1045 transitions, 49317 flow [2021-03-26 04:01:09,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:09,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:09,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:09,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 04:01:09,435 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:09,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 38385574, now seen corresponding path program 94 times [2021-03-26 04:01:09,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:09,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764310836] [2021-03-26 04:01:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:09,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:09,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:09,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:09,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:01:09,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:01:09,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:09,471 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:09,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:09,485 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:01:09,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:01:09,502 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 04:01:09,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:01:09,525 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:01:09,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:01:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:09,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764310836] [2021-03-26 04:01:09,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:09,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:01:09,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815269849] [2021-03-26 04:01:09,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:01:09,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:09,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:01:09,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:01:09,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:01:09,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 1045 transitions, 49317 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:09,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:09,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:01:09,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:15,495 INFO L129 PetriNetUnfolder]: 523/9744 cut-off events. [2021-03-26 04:01:15,495 INFO L130 PetriNetUnfolder]: For 496784/510204 co-relation queries the response was YES. [2021-03-26 04:01:15,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84686 conditions, 9744 events. 523/9744 cut-off events. For 496784/510204 co-relation queries the response was YES. Maximal size of possible extension queue 1530. Compared 173908 event pairs, 523 based on Foata normal form. 74/9343 useless extension candidates. Maximal degree in co-relation 84513. Up to 1707 conditions per place. [2021-03-26 04:01:15,583 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 556 selfloop transitions, 519 changer transitions 2/1091 dead transitions. [2021-03-26 04:01:15,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 1091 transitions, 53390 flow [2021-03-26 04:01:15,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:01:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:01:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:01:15,584 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:01:15,584 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:01:15,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:01:15,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:15,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:01:15,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:15,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:15,585 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:15,585 INFO L185 Difference]: Start difference. First operand has 528 places, 1045 transitions, 49317 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:01:15,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 1091 transitions, 53390 flow [2021-03-26 04:01:20,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 1091 transitions, 52325 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 04:01:20,211 INFO L241 Difference]: Finished difference. Result has 533 places, 1068 transitions, 50622 flow [2021-03-26 04:01:20,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48300, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=495, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50622, PETRI_PLACES=533, PETRI_TRANSITIONS=1068} [2021-03-26 04:01:20,211 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 489 predicate places. [2021-03-26 04:01:20,211 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:20,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 533 places, 1068 transitions, 50622 flow [2021-03-26 04:01:20,212 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 533 places, 1068 transitions, 50622 flow [2021-03-26 04:01:20,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 532 places, 1068 transitions, 50622 flow [2021-03-26 04:01:22,714 INFO L129 PetriNetUnfolder]: 0/8773 cut-off events. [2021-03-26 04:01:22,714 INFO L130 PetriNetUnfolder]: For 460881/466022 co-relation queries the response was YES. [2021-03-26 04:01:22,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68958 conditions, 8773 events. 0/8773 cut-off events. For 460881/466022 co-relation queries the response was YES. Maximal size of possible extension queue 1461. Compared 164250 event pairs, 0 based on Foata normal form. 37/8280 useless extension candidates. Maximal degree in co-relation 0. Up to 1016 conditions per place. [2021-03-26 04:01:22,809 INFO L142 LiptonReduction]: Number of co-enabled transitions 6226 [2021-03-26 04:01:22,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:22,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:22,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2756 [2021-03-26 04:01:22,967 INFO L480 AbstractCegarLoop]: Abstraction has has 532 places, 1068 transitions, 50622 flow [2021-03-26 04:01:22,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:22,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:22,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:22,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 04:01:22,968 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:22,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:22,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1916406046, now seen corresponding path program 95 times [2021-03-26 04:01:22,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:22,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336691881] [2021-03-26 04:01:22,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:22,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:22,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:22,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:22,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:22,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:01:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:01:23,005 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:23,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:23,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:01:23,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:01:23,032 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 04:01:23,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 04:01:23,065 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 04:01:23,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:01:23,092 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:01:23,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:01:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:23,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336691881] [2021-03-26 04:01:23,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:23,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:01:23,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282044088] [2021-03-26 04:01:23,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:01:23,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:23,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:01:23,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:01:23,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:01:23,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1068 transitions, 50622 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:23,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:23,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:01:23,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:29,210 INFO L129 PetriNetUnfolder]: 523/9736 cut-off events. [2021-03-26 04:01:29,210 INFO L130 PetriNetUnfolder]: For 507721/521147 co-relation queries the response was YES. [2021-03-26 04:01:29,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84968 conditions, 9736 events. 523/9736 cut-off events. For 507721/521147 co-relation queries the response was YES. Maximal size of possible extension queue 1528. Compared 173702 event pairs, 523 based on Foata normal form. 74/9305 useless extension candidates. Maximal degree in co-relation 84793. Up to 1707 conditions per place. [2021-03-26 04:01:29,311 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 529 selfloop transitions, 528 changer transitions 2/1073 dead transitions. [2021-03-26 04:01:29,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 1073 transitions, 52760 flow [2021-03-26 04:01:29,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:01:29,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:01:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:01:29,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:01:29,312 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:01:29,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:01:29,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:29,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:01:29,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:29,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:29,313 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:29,313 INFO L185 Difference]: Start difference. First operand has 532 places, 1068 transitions, 50622 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:01:29,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 1073 transitions, 52760 flow [2021-03-26 04:01:34,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 1073 transitions, 51731 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-03-26 04:01:34,195 INFO L241 Difference]: Finished difference. Result has 535 places, 1066 transitions, 50530 flow [2021-03-26 04:01:34,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49603, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1068, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=528, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50530, PETRI_PLACES=535, PETRI_TRANSITIONS=1066} [2021-03-26 04:01:34,195 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 491 predicate places. [2021-03-26 04:01:34,196 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:34,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 1066 transitions, 50530 flow [2021-03-26 04:01:34,196 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 1066 transitions, 50530 flow [2021-03-26 04:01:34,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 1066 transitions, 50530 flow [2021-03-26 04:01:36,973 INFO L129 PetriNetUnfolder]: 0/8765 cut-off events. [2021-03-26 04:01:36,973 INFO L130 PetriNetUnfolder]: For 459357/464686 co-relation queries the response was YES. [2021-03-26 04:01:36,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69038 conditions, 8765 events. 0/8765 cut-off events. For 459357/464686 co-relation queries the response was YES. Maximal size of possible extension queue 1459. Compared 164139 event pairs, 0 based on Foata normal form. 37/8287 useless extension candidates. Maximal degree in co-relation 0. Up to 1015 conditions per place. [2021-03-26 04:01:37,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 6208 [2021-03-26 04:01:37,228 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:37,229 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:37,229 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3033 [2021-03-26 04:01:37,229 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 1066 transitions, 50530 flow [2021-03-26 04:01:37,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:37,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:37,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:37,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 04:01:37,229 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:37,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:37,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1187984936, now seen corresponding path program 96 times [2021-03-26 04:01:37,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:37,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651798908] [2021-03-26 04:01:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:37,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:37,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:37,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:37,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:37,244 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:01:37,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:01:37,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:37,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:37,263 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:37,277 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:37,295 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 04:01:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:01:37,320 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:01:37,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:01:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:37,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651798908] [2021-03-26 04:01:37,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:37,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:01:37,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915602873] [2021-03-26 04:01:37,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:01:37,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:37,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:01:37,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:01:37,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:01:37,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 1066 transitions, 50530 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:37,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:37,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:01:37,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:43,549 INFO L129 PetriNetUnfolder]: 523/9728 cut-off events. [2021-03-26 04:01:43,549 INFO L130 PetriNetUnfolder]: For 505423/518844 co-relation queries the response was YES. [2021-03-26 04:01:43,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85045 conditions, 9728 events. 523/9728 cut-off events. For 505423/518844 co-relation queries the response was YES. Maximal size of possible extension queue 1526. Compared 173539 event pairs, 523 based on Foata normal form. 72/9310 useless extension candidates. Maximal degree in co-relation 84870. Up to 1707 conditions per place. [2021-03-26 04:01:43,642 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 559 selfloop transitions, 513 changer transitions 1/1087 dead transitions. [2021-03-26 04:01:43,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 1087 transitions, 53396 flow [2021-03-26 04:01:43,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:01:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:01:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 04:01:43,643 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 04:01:43,643 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 04:01:43,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 04:01:43,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:43,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 04:01:43,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:43,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:43,644 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:43,644 INFO L185 Difference]: Start difference. First operand has 534 places, 1066 transitions, 50530 flow. Second operand 9 states and 674 transitions. [2021-03-26 04:01:43,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 1087 transitions, 53396 flow [2021-03-26 04:01:48,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 1087 transitions, 52321 flow, removed 25 selfloop flow, removed 8 redundant places. [2021-03-26 04:01:48,731 INFO L241 Difference]: Finished difference. Result has 536 places, 1073 transitions, 50897 flow [2021-03-26 04:01:48,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49469, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1066, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=505, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50897, PETRI_PLACES=536, PETRI_TRANSITIONS=1073} [2021-03-26 04:01:48,731 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 492 predicate places. [2021-03-26 04:01:48,731 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:48,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 536 places, 1073 transitions, 50897 flow [2021-03-26 04:01:48,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 536 places, 1073 transitions, 50897 flow [2021-03-26 04:01:48,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 535 places, 1073 transitions, 50897 flow [2021-03-26 04:01:51,334 INFO L129 PetriNetUnfolder]: 0/8758 cut-off events. [2021-03-26 04:01:51,334 INFO L130 PetriNetUnfolder]: For 458524/463816 co-relation queries the response was YES. [2021-03-26 04:01:51,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69137 conditions, 8758 events. 0/8758 cut-off events. For 458524/463816 co-relation queries the response was YES. Maximal size of possible extension queue 1458. Compared 163979 event pairs, 0 based on Foata normal form. 37/8267 useless extension candidates. Maximal degree in co-relation 0. Up to 1014 conditions per place. [2021-03-26 04:01:51,436 INFO L142 LiptonReduction]: Number of co-enabled transitions 6268 [2021-03-26 04:01:51,855 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:51,856 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:51,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3125 [2021-03-26 04:01:51,857 INFO L480 AbstractCegarLoop]: Abstraction has has 535 places, 1073 transitions, 50897 flow [2021-03-26 04:01:51,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:51,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:51,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:51,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 04:01:51,857 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:51,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:51,857 INFO L82 PathProgramCache]: Analyzing trace with hash 926716392, now seen corresponding path program 97 times [2021-03-26 04:01:51,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:51,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607303369] [2021-03-26 04:01:51,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:51,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:51,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:51,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:51,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:01:51,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:01:51,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:51,890 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:51,904 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:51,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:51,922 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 04:01:51,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:01:51,945 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 04:01:51,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 04:01:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:51,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607303369] [2021-03-26 04:01:51,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:51,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 04:01:51,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797743140] [2021-03-26 04:01:51,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:01:51,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:51,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:01:51,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:01:51,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 04:01:51,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 1073 transitions, 50897 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:51,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:51,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 04:01:51,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 04:01:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:52,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 04:01:52,949 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 04:01:52,952 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 04:01:52,952 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 04:01:52 BasicIcfg [2021-03-26 04:01:52,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 04:01:52,953 INFO L168 Benchmark]: Toolchain (without parser) took 807129.06 ms. Allocated memory was 255.9 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 236.7 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.3 GB. Max. memory is 16.0 GB. [2021-03-26 04:01:52,953 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.41 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.8 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 04:01:52,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.55 ms. Allocated memory is still 255.9 MB. Free memory was 236.7 MB in the beginning and 235.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 04:01:52,953 INFO L168 Benchmark]: Boogie Preprocessor took 11.75 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.2 MB in the end (delta: 995.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 04:01:52,953 INFO L168 Benchmark]: RCFGBuilder took 209.19 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 239.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.0 GB. [2021-03-26 04:01:52,953 INFO L168 Benchmark]: TraceAbstraction took 806878.15 ms. Allocated memory was 255.9 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 239.0 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.3 GB. Max. memory is 16.0 GB. [2021-03-26 04:01:52,953 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 0.41 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.8 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.55 ms. Allocated memory is still 255.9 MB. Free memory was 236.7 MB in the beginning and 235.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.75 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.2 MB in the end (delta: 995.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 209.19 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 239.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 806878.15 ms. Allocated memory was 255.9 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 239.0 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 221.3ms, 51 PlacesBefore, 44 PlacesAfterwards, 71 TransitionsBefore, 64 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 357 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 357, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 357, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 357, unknown conditional: 357, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.5ms, 32 PlacesBefore, 32 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.6ms, 33 PlacesBefore, 33 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.1ms, 34 PlacesBefore, 34 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.5ms, 35 PlacesBefore, 35 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8ms, 36 PlacesBefore, 36 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2ms, 37 PlacesBefore, 37 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.9ms, 51 PlacesBefore, 50 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.2ms, 63 PlacesBefore, 62 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.5ms, 75 PlacesBefore, 74 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.2ms, 87 PlacesBefore, 86 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.0ms, 99 PlacesBefore, 98 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 192.5ms, 111 PlacesBefore, 110 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 254.0ms, 122 PlacesBefore, 121 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 858 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 331.0ms, 134 PlacesBefore, 133 PlacesAfterwards, 169 TransitionsBefore, 169 TransitionsAfterwards, 1036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 481.1ms, 146 PlacesBefore, 145 PlacesAfterwards, 213 TransitionsBefore, 213 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 497.1ms, 158 PlacesBefore, 157 PlacesAfterwards, 237 TransitionsBefore, 237 TransitionsAfterwards, 1320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.2ms, 170 PlacesBefore, 169 PlacesAfterwards, 251 TransitionsBefore, 251 TransitionsAfterwards, 1450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 532.2ms, 180 PlacesBefore, 179 PlacesAfterwards, 282 TransitionsBefore, 282 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 531.3ms, 190 PlacesBefore, 189 PlacesAfterwards, 295 TransitionsBefore, 295 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 503.2ms, 200 PlacesBefore, 199 PlacesAfterwards, 335 TransitionsBefore, 335 TransitionsAfterwards, 1862 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 583.0ms, 209 PlacesBefore, 208 PlacesAfterwards, 361 TransitionsBefore, 361 TransitionsAfterwards, 1998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 600.4ms, 218 PlacesBefore, 217 PlacesAfterwards, 382 TransitionsBefore, 382 TransitionsAfterwards, 2130 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 587.8ms, 226 PlacesBefore, 225 PlacesAfterwards, 397 TransitionsBefore, 397 TransitionsAfterwards, 2246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 594.0ms, 234 PlacesBefore, 233 PlacesAfterwards, 401 TransitionsBefore, 401 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 631.8ms, 239 PlacesBefore, 238 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 2462 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 644.5ms, 245 PlacesBefore, 244 PlacesAfterwards, 442 TransitionsBefore, 442 TransitionsAfterwards, 2510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 669.5ms, 251 PlacesBefore, 250 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 2542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 791.1ms, 258 PlacesBefore, 257 PlacesAfterwards, 468 TransitionsBefore, 468 TransitionsAfterwards, 2706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 717.9ms, 265 PlacesBefore, 264 PlacesAfterwards, 473 TransitionsBefore, 473 TransitionsAfterwards, 2762 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 724.4ms, 270 PlacesBefore, 269 PlacesAfterwards, 475 TransitionsBefore, 475 TransitionsAfterwards, 2780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 845.2ms, 273 PlacesBefore, 272 PlacesAfterwards, 475 TransitionsBefore, 475 TransitionsAfterwards, 2778 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 728.2ms, 273 PlacesBefore, 272 PlacesAfterwards, 474 TransitionsBefore, 474 TransitionsAfterwards, 2768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 754.2ms, 277 PlacesBefore, 276 PlacesAfterwards, 477 TransitionsBefore, 477 TransitionsAfterwards, 2804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 733.0ms, 282 PlacesBefore, 281 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 756.0ms, 285 PlacesBefore, 284 PlacesAfterwards, 483 TransitionsBefore, 483 TransitionsAfterwards, 2858 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 746.0ms, 288 PlacesBefore, 287 PlacesAfterwards, 485 TransitionsBefore, 485 TransitionsAfterwards, 2870 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 746.9ms, 291 PlacesBefore, 290 PlacesAfterwards, 485 TransitionsBefore, 485 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 755.8ms, 296 PlacesBefore, 295 PlacesAfterwards, 492 TransitionsBefore, 492 TransitionsAfterwards, 2926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 779.1ms, 301 PlacesBefore, 300 PlacesAfterwards, 496 TransitionsBefore, 496 TransitionsAfterwards, 2960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 773.6ms, 301 PlacesBefore, 299 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 752.2ms, 300 PlacesBefore, 299 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 733.4ms, 303 PlacesBefore, 302 PlacesAfterwards, 495 TransitionsBefore, 495 TransitionsAfterwards, 2952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 756.5ms, 304 PlacesBefore, 303 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 819.7ms, 305 PlacesBefore, 304 PlacesAfterwards, 492 TransitionsBefore, 492 TransitionsAfterwards, 2924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 760.6ms, 306 PlacesBefore, 305 PlacesAfterwards, 490 TransitionsBefore, 490 TransitionsAfterwards, 2910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 728.3ms, 307 PlacesBefore, 306 PlacesAfterwards, 487 TransitionsBefore, 487 TransitionsAfterwards, 2868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1170.7ms, 314 PlacesBefore, 313 PlacesAfterwards, 576 TransitionsBefore, 576 TransitionsAfterwards, 3174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1293.1ms, 325 PlacesBefore, 324 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 3432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1569.8ms, 336 PlacesBefore, 335 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 3908 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1668.8ms, 345 PlacesBefore, 344 PlacesAfterwards, 751 TransitionsBefore, 751 TransitionsAfterwards, 4062 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1924.7ms, 354 PlacesBefore, 353 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1923.2ms, 362 PlacesBefore, 361 PlacesAfterwards, 807 TransitionsBefore, 807 TransitionsAfterwards, 4556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2192.5ms, 371 PlacesBefore, 370 PlacesAfterwards, 836 TransitionsBefore, 836 TransitionsAfterwards, 4738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2248.1ms, 379 PlacesBefore, 378 PlacesAfterwards, 864 TransitionsBefore, 864 TransitionsAfterwards, 4956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2379.6ms, 386 PlacesBefore, 385 PlacesAfterwards, 893 TransitionsBefore, 893 TransitionsAfterwards, 5240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2396.9ms, 392 PlacesBefore, 391 PlacesAfterwards, 944 TransitionsBefore, 944 TransitionsAfterwards, 5490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2377.4ms, 396 PlacesBefore, 395 PlacesAfterwards, 942 TransitionsBefore, 942 TransitionsAfterwards, 5468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2341.8ms, 399 PlacesBefore, 398 PlacesAfterwards, 941 TransitionsBefore, 941 TransitionsAfterwards, 5460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2365.2ms, 404 PlacesBefore, 403 PlacesAfterwards, 945 TransitionsBefore, 945 TransitionsAfterwards, 5470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2471.4ms, 407 PlacesBefore, 406 PlacesAfterwards, 961 TransitionsBefore, 961 TransitionsAfterwards, 5538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2930.4ms, 410 PlacesBefore, 409 PlacesAfterwards, 960 TransitionsBefore, 960 TransitionsAfterwards, 5530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2903.8ms, 412 PlacesBefore, 411 PlacesAfterwards, 959 TransitionsBefore, 959 TransitionsAfterwards, 5520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2739.9ms, 415 PlacesBefore, 414 PlacesAfterwards, 956 TransitionsBefore, 956 TransitionsAfterwards, 5484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2572.5ms, 420 PlacesBefore, 419 PlacesAfterwards, 973 TransitionsBefore, 973 TransitionsAfterwards, 5566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2630.5ms, 423 PlacesBefore, 422 PlacesAfterwards, 971 TransitionsBefore, 971 TransitionsAfterwards, 5552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2720.1ms, 426 PlacesBefore, 425 PlacesAfterwards, 972 TransitionsBefore, 972 TransitionsAfterwards, 5572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2512.5ms, 429 PlacesBefore, 428 PlacesAfterwards, 970 TransitionsBefore, 970 TransitionsAfterwards, 5554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2463.9ms, 433 PlacesBefore, 432 PlacesAfterwards, 973 TransitionsBefore, 973 TransitionsAfterwards, 5574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2726.0ms, 437 PlacesBefore, 436 PlacesAfterwards, 974 TransitionsBefore, 974 TransitionsAfterwards, 5574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2486.3ms, 439 PlacesBefore, 438 PlacesAfterwards, 972 TransitionsBefore, 972 TransitionsAfterwards, 5566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2688.2ms, 440 PlacesBefore, 439 PlacesAfterwards, 970 TransitionsBefore, 970 TransitionsAfterwards, 5546 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2665.5ms, 447 PlacesBefore, 446 PlacesAfterwards, 1004 TransitionsBefore, 1004 TransitionsAfterwards, 5776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2833.3ms, 452 PlacesBefore, 451 PlacesAfterwards, 1007 TransitionsBefore, 1007 TransitionsAfterwards, 5804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2916.8ms, 455 PlacesBefore, 454 PlacesAfterwards, 1010 TransitionsBefore, 1010 TransitionsAfterwards, 5812 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2821.9ms, 458 PlacesBefore, 457 PlacesAfterwards, 1024 TransitionsBefore, 1024 TransitionsAfterwards, 5864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2980.4ms, 462 PlacesBefore, 461 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 5858 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2936.9ms, 466 PlacesBefore, 465 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 5860 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2663.5ms, 469 PlacesBefore, 468 PlacesAfterwards, 1022 TransitionsBefore, 1022 TransitionsAfterwards, 5856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2647.7ms, 473 PlacesBefore, 472 PlacesAfterwards, 1033 TransitionsBefore, 1033 TransitionsAfterwards, 5944 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2735.0ms, 477 PlacesBefore, 476 PlacesAfterwards, 1034 TransitionsBefore, 1034 TransitionsAfterwards, 5958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2987.6ms, 482 PlacesBefore, 481 PlacesAfterwards, 1063 TransitionsBefore, 1063 TransitionsAfterwards, 6160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3015.6ms, 486 PlacesBefore, 485 PlacesAfterwards, 1064 TransitionsBefore, 1064 TransitionsAfterwards, 6164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2977.9ms, 488 PlacesBefore, 487 PlacesAfterwards, 1062 TransitionsBefore, 1062 TransitionsAfterwards, 6144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3012.2ms, 491 PlacesBefore, 490 PlacesAfterwards, 1062 TransitionsBefore, 1062 TransitionsAfterwards, 6148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2820.1ms, 493 PlacesBefore, 492 PlacesAfterwards, 1060 TransitionsBefore, 1060 TransitionsAfterwards, 6138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2816.9ms, 497 PlacesBefore, 496 PlacesAfterwards, 1062 TransitionsBefore, 1062 TransitionsAfterwards, 6158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2983.2ms, 500 PlacesBefore, 499 PlacesAfterwards, 1060 TransitionsBefore, 1060 TransitionsAfterwards, 6140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2918.5ms, 502 PlacesBefore, 501 PlacesAfterwards, 1059 TransitionsBefore, 1059 TransitionsAfterwards, 6134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3047.9ms, 506 PlacesBefore, 505 PlacesAfterwards, 1057 TransitionsBefore, 1057 TransitionsAfterwards, 6122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3057.2ms, 508 PlacesBefore, 507 PlacesAfterwards, 1056 TransitionsBefore, 1056 TransitionsAfterwards, 6110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3128.5ms, 511 PlacesBefore, 510 PlacesAfterwards, 1054 TransitionsBefore, 1054 TransitionsAfterwards, 6094 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2841.3ms, 512 PlacesBefore, 511 PlacesAfterwards, 1052 TransitionsBefore, 1052 TransitionsAfterwards, 6066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2786.9ms, 513 PlacesBefore, 512 PlacesAfterwards, 1050 TransitionsBefore, 1050 TransitionsAfterwards, 6044 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3100.4ms, 515 PlacesBefore, 514 PlacesAfterwards, 1048 TransitionsBefore, 1048 TransitionsAfterwards, 6026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2713.8ms, 517 PlacesBefore, 516 PlacesAfterwards, 1046 TransitionsBefore, 1046 TransitionsAfterwards, 6012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2824.2ms, 521 PlacesBefore, 520 PlacesAfterwards, 1045 TransitionsBefore, 1045 TransitionsAfterwards, 6008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3138.4ms, 524 PlacesBefore, 523 PlacesAfterwards, 1048 TransitionsBefore, 1048 TransitionsAfterwards, 6028 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2777.3ms, 527 PlacesBefore, 526 PlacesAfterwards, 1046 TransitionsBefore, 1046 TransitionsAfterwards, 6014 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2919.1ms, 529 PlacesBefore, 528 PlacesAfterwards, 1045 TransitionsBefore, 1045 TransitionsAfterwards, 6010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2755.3ms, 533 PlacesBefore, 532 PlacesAfterwards, 1068 TransitionsBefore, 1068 TransitionsAfterwards, 6226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3032.8ms, 535 PlacesBefore, 534 PlacesAfterwards, 1066 TransitionsBefore, 1066 TransitionsAfterwards, 6208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3124.0ms, 536 PlacesBefore, 535 PlacesAfterwards, 1073 TransitionsBefore, 1073 TransitionsAfterwards, 6268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 27]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 27). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (9states, 71/87 universal loopers) in iteration 103,while PetriNetUnfolder was constructing finite prefix that currently has 16855 conditions, 1018 events (339/1017 cut-off events. For 225002/238423 co-relation queries the response was YES. Maximal size of possible extension queue 978. Compared 13854 event pairs, 340 based on Foata normal form. 71/1974 useless extension candidates. Maximal degree in co-relation 16687. Up to 479 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 42.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 806686.2ms, OverallIterations: 103, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 620663.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 444.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2277 SDtfs, 3358 SDslu, 2180 SDs, 0 SdLazy, 3947 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2806.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 890 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 781 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 14698.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=50897occurred in iteration=102, InterpolantAutomatonStates: 882, 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: 56.1ms SsaConstructionTime, 170.7ms SatisfiabilityAnalysisTime, 14165.6ms InterpolantComputationTime, 2266 NumberOfCodeBlocks, 2266 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 2163 ConstructedInterpolants, 0 QuantifiedInterpolants, 60907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 103 InterpolantComputations, 103 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown